FEATURES
ꢀ
High efficiency: 91% @ 12Vin, 6.5V/3A
88% @ 24Vin, 6.5V/3A
Small size and low profile:
ꢀ
17.8x15.0x7.8mm (0.70”x0.59”x0.31”)
Output voltage adjustment: 3.3V~6.5V
Monotonic startup into normal and
pre-biased loads
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Input UVLO, output OCP
Remote ON/OFF
Output short circuit protection
Fixed frequency operation
Copper pad to provide excellent thermal
performance
ꢀ
ISO 9001, TL 9000, ISO 14001, QS9000,
OHSAS18001 certified manufacturing
facility
ꢀ
ꢀ
UL/cUL 60950 (US & Canada) Recognized,
and TUV (EN60950) Certified
CE mark meets 73/23/EEC and
93/68/EEC directives
Delphi Series IPM24S0B0, Non-Isolated,
Integrated Point-of-Load Power Modules:
11V~36V input, 3.3~6.5V and 3A Output
OPTIONS
ꢀ
SMD or SIP package
The Delphi Series IPM24S0B0 non-isolated, fully integrated
Point-of-Load (POL) power modules, are the latest offerings from a
world leader in power systems technology and manufacturing --
Delta Electronics, Inc. This product family provides up to 3A of
output current or 20W of output power in an industry standard,
compact, IC-like, molded package. It is highly integrated and does
not require external components to provide the point-of-load
function. A copper pad on the back of the module; in close contact
with the internal heat dissipation components; provides excellent
thermal performance. The assembly process of the modules is fully
automated with no manual assembly involved. These converters
possess outstanding electrical and thermal performance, as well as
extremely high reliability under highly stressful operating conditions.
IPM24S0B0 operates from an 11V~36V source and provides a
programmable output voltage from 3.3V to 6.5V. The IPM product
family is available in both a SMD or SIP package. IPM24S family is
also available for output 1.2V~2.5V. Please refer to IPM240A0
datasheet for details.
APPLICATIONS
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
Telecom/DataCom
Wireless Networks
Optical Network Equipment
Server and Data Storage
Industrial/Test Equipment
DATASHEET
IPM24S0B0S/R03_03202007
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ELECTRICAL CHARACTERISTICS CURVES
90.0
86.0
82.0
78.0
74.0
70.0
66.0
62.0
58.0
54.0
89.0
84.0
79.0
74.0
Vin=11V
Vin=12V
Vin=24V
Vin=36V
Vin=11V
Vin=12V
Vin=24V
Vin=36V
69.0
64.0
59.0
54.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Iout (A)
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Iout (A)
Figure 1: Converter efficiency vs. output current
Figure 2: Converter efficiency vs. output current
(3.30V output voltage)
(4.0V output voltage)
95.0
91.0
87.0
83.0
79.0
75.0
71.0
67.0
63.0
92.0
88.0
84.0
80.0
76.0
72.0
68.0
64.0
60.0
Vin=11V
Vin=11V
Vin=12V
Vin=24V
Vin=36V
Vin=12V
Vin=24V
Vin=36V
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Iout (A)
0.0 0.5 1.0 1.5 2.0 2.5 3.0
Iout (A)
Figure 3: Converter efficiency vs. output current
Figure 4: Converter efficiency vs. output current
(5.0V output voltage)
(6.5V output voltage)
Figure 5: Output ripple & noise at 12Vin, 3.3V/3A out
Figure 6: Output ripple & noise at 24Vin, 3.3V/3A out
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ELECTRICAL CHARACTERISTICS CURVES
Figure 7: Output ripple & noise at 12Vin, 4.0V/3A out
Figure 8: Output ripple & noise at 24Vin, 4.0V/3A out
Figure 9: Output ripple & noise at 12Vin, 5.0V/3A out
Figure 10: Output ripple & noise at 24Vin, 5.0V/3A out
Figure 11: Output ripple & noise at 12Vin, 6.5V/3A out
Figure 12: Output ripple & noise at 24Vin, 6.5V/3A out
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ELECTRICAL CHARACTERISTICS CURVES
Figure 13: Power on waveform at 12vin, 3.3V/3A out with
Figure 14: Power on waveform at 12vin, 6.5V/3A out with
application of Vin
application of Vin
Figure 15: Power off waveform at 12vin, 3.3V/3A out with
Figure 16: Power off waveform 12vin,6.5V/3A out with
application of Vin
application of Vin
Figure 17: Remote turn on delay time at 24vin, 6.5V/3A out
Figure 18: Remote turn on delay time at 24vin, 6.5V/3A out
DS_IPM24S0B0_03202007
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ELECTRICAL CHARACTERISTICS CURVES
Figure 19: Turn on delay at 24vin, 3.3V/3A out with
Figure 20: Turn on delay at 24vin, 6.5V/3A out with
application of Vin
application of Vin
Figure 21: Typical transient response to step load change at
0.5A/µS from 100% to 50% of Io, max at 12Vin,
6.5V out (measurement with a 1uF ceramic
Figure 22: Typical transient response to step load change at
0.5A/µS from 50% to 100% of Io, max at 24Vin,
6.5V out (measurement with a 1uF ceramic)
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TEST CONFIGURATIONS
DESIGN CONSIDERATIONS
TO OSCILLOSCOPE
Input Source Impedance
L
To maintain low-noise and ripple at the input voltage, it is
critical to use low ESR capacitors at the input to the
module. Figure 26 shows the input ripple voltage
(mVp-p) for various output models using 2x100uF low
ESR electrolytic capacitors (Rubycon P/N:50YXG100,
100uF/50V or equivalent) and 1x3.3.0 uF very low ESR
ceramic capacitors (TDK P/N: C4532JB1H335M,
3.3uF/50V or equivalent).
V
I(+)
3.3uF
Ceramic
100uF
Electrolytic
2
BATTERY
VI(-)
Note: Input reflected-ripple current is measured with a
simulated source inductance. Current is
measured at the input of the module.
The input capacitance should be able to handle an AC
ripple current of at least:
Figure 23: Input reflected-ripple current test setup
Vout
Vin
Vout
Vin
⎛
⎜
⎞
⎟
Irms = Iout
1 −
Arms
⎝
⎠
COPPER STRIP
Vo
Resistive
Load
220uF 1uF
PosCap ceramic
SCOPE
GND
Note: Use a 220µF PosCap and 1µF capacitor. Scope
measurement should be made using a BNC
connector.
Figure 24: Peak-peak output noise and startup transient
Figure 26: Input ripple voltage for various output models,
Io = 3A (Cin =2x100uF electrolytic capacitors
1x3.3uF ceramic capacitors at the input)
measurement test setup
CONTACT AND
DISTRIBUTION LOSSES
V
I
Vo
The power module should be connected to a low
ac-impedance input source. Highly inductive source
impedances can affect the stability of the module. An
input capacitance must be placed close to the modules
input pins to filter ripple current and ensure module
stability in the presence of inductive traces that supply
the input voltage to the module.
II
Io
LOAD
SUPPLY
GND
CONTACT RESISTANCE
Figure 25: Output voltage and efficiency measurement test
setup
Note: All measurements are taken at the module
terminals. When the module is not soldered (via
socket), place Kelvin connections at module
terminals to avoid measurement errors due to
contact resistance.
Vo× Io
η = (
)×100 %
DS_IPM24S0B0_03202007
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DESIGN CONSIDERATIONS
FEATURES DESCRIPTIONS
Remote On/Off
Over-Current Protection
The IPM series power modules have an On/Off control
pin for output voltage remote On/Off operation. The
On/Off pin is an open collector/drain logic input signal
that is referenced to ground. When On/Off control pin is
not used, leave the pin unconnected.
To provide protection in an output over load fault
condition, the unit is equipped with internal over-current
protection. When the over-current protection is
triggered, the unit enters hiccup mode. The units
operate normally once the fault condition is removed.
The remote on/off pin is internally connected to +5Vdc
through an internal pull-up resistor. Figure 27 shows the
circuit configuration for applying the remote on/off pin.
The module will execute a soft start ON when the
transistor Q1 is in the off state.
Output Voltage Programming
The output voltage shall be externally adjustable by use
of a Trim pin. The module output shall be adjusted by
either a voltage source referenced to ground or an
external resistor be connected between trim pin and Vo or
ground. To trim-down using an external resistor, connect
a resistor between the Trim and Vo pin of the module. To
trim-up using an external resistor, connect a resistor
between the Trim and ground pin of the module. The
value of resistor is defined below. The module outputs
shall not be adversely affected (regulation and operation)
when the Trim pin is left open.
The typical rise for this remote on/off pin at the output
voltage of 2.5V and 5.0V are shown in Figure 17 and 18.
Vo
Vin
IPM
On/Off
Trim up
RL
(Vout-0.7)*1.43
Rtrim =
(KΩ)
(KΩ)
Q1
Vadj-Vout
GND
Trim Down
Rtrim =
(Vadj-0.7)*5.36
Vout-Vadj
Figure 27: Remote on/off implementation
Rtrim is the external resistor in KΩ
Vout is the desired output voltage
IPM can also be programmed by applying a voltage
between the TRIM and GND pins (Figure 30). The
following equation can be used to determine the value of
Vtrim needed for a desired output voltage Vo:
DS_IPM24S0B0_03202007
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Table 1 Rtrim is the external resistor in KΩ;
FEATURES DESCRIPTIONS (CON.)
Vout is the desired output voltage
Output
Rtrim setting (Ω)
Measurement
R.trim_Up R.trim_Down
0A
NC
3.323V
4.023V
5.019V
6.493V
2.984V
Vo
3.3
4.0
5.0
6.5
NC
NC
5.36K
2.21K
1.18K
NC
Vadj
Vadj
Vadj
NC
NC
Figure 28: Trim up Circuit configuration for programming
Vadj 3.3*(1-10%)
36.5K
output voltage using an external resistor
The amount of power delivered by the module is the
voltage at the output terminals multiplied by the output
current. When using the trim feature, the output voltage
of the module can be increased, which at the same
output current would increase the power output of the
module. Care should be taken to ensure that the
maximum output power of the module must not exceed
the maximum rated power (Vo.set x Io.max ≤ P max).
Vout
Rtrim
Load
Trim
GND
Voltage Margining
Figure 29: Trim down Circuit configuration for programming
output voltage using an external resistor
Output voltage margining can be implemented in the IPM
modules by connecting a resistor, Rmargin-up, from the Trim
pin to the ground pin for margining-up the output voltage
and by connecting a resistor, Rmargin-down, from the Trim pin
to the output pin for margining-down. Figure 32 shows
the circuit configuration for output voltage margining. If
unused, leave the trim pin unconnected.
Vo
Vin
Rmargin-down
Q1
IPM
Figure 30: Circuit configuration for programming output voltage
Trim
On/Off
using external voltage source
Rmargin-up
Q2
Rtrim
Table 1 provides Rtrim values required for some common
output voltages. By using a 0.5% tolerance resistor, set
point tolerance of ±2% can be achieved as specified in the
electrical specification.
GND
Figure 32: Circuit configuration for output voltage margining
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THERMAL CONSIDERATIONS
Thermal management is an important part of the system
design. To ensure proper, reliable operation, sufficient
cooling of the power module is needed over the entire
temperature range of the module. Convection cooling is
usually the dominant mode of heat transfer.
Hence, the choice of equipment to characterize the
thermal performance of the power module is a wind
tunnel.
Thermal Testing Setup
Delta’s DC/DC power modules are characterized in
heated vertical wind tunnels that simulate the thermal
environments encountered in most electronics
equipment. This type of equipment commonly uses
vertically mounted circuit cards in cabinet racks in which
the power modules are mounted.
The following figure shows the wind tunnel
characterization setup. The power module is mounted
on a test PWB and is vertically positioned within the
wind tunnel. The height of this fan duct is constantly kept
at 25.4mm (1’’).
Thermal Derating
Heat can be removed by increasing airflow over the
module. To enhance system reliability, the power
module should always be operated below the maximum
operating temperature. If the temperature exceeds the
maximum module temperature, reliability of the unit may
be affected.
PWB
FACING PWB
MODULE
AIR VELOCITY
AND AMBIENT
TEMPERATURE
MEASURED BELOW
THE MODULE
50.8 (2.0”)
AIR FLOW
12.7 (0.5”)
25.4 (1.0”)
Figure 31: Wind tunnel test setup figure dimensions are in
millimeters and (inches)
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THERMAL CURVES
IPM24S (Standard) Output Current vs. Ambient Temperature and Air Velocity
@ Vin=24V, Vout =4V (Either Orientation)
Output Current(A)
3
2
1
0
Natural
Convection
60
65
70
75
80
85
Ambient Temperature (℃)
Figure 35: Output current vs. ambient temperature and air velocity
Figure 32: Temperature measurement location
Vin=24V, Vout=4V(Either Orientation)
* The allowed maximum hot spot temperature is defined at 125℃.
IPM24S (Standard) Output Current vs. Ambient Temperature and Air Velocity
IPM24S (Standard) Output Current vs. Ambient Temperature and Air Velocity
@ Vin=24V, Vout =3.3V (Either Orientation)
@ Vin=24V, Vout = 6.5V (Either Orientation)
Output Current(A)
Output Current(A)
3
2
1
0
3
2
1
0
Natural
Convection
Natural
Convection
100LFM
200LFM
60
65
70
75
80
85
60
65
70
75
80
85
Ambient Temperature (℃)
Ambient Temperature (℃)
Figure 36: Output current vs. ambient temperature and air velocity
Figure 33: Output current vs. ambient temperature and air velocity
@Vin=24V, Vout=3.3V(Either Orientation)
@Vin=24V, Vout=6.5V(Either Orientation)
IPM24S (Standard) Output Current vs. Ambient Temperature and Air Velocity
@ Vin=24V, Vout =5V (Either Orientation)
Output Current(A)
3
2
1
0
Natural
Convection
100LFM
60
65
70
75
80
85
Ambient Temperature (℃)
Figure 34: Output current vs. ambient temperature and air velocity
@Vin=24V, Vout=5V(Either Orientation)
DS_IPM24S0B0_03202007
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PICK AND PLACE LOCATION
SURFACE- MOUNT TAPE & REEL
All dimensions are in millimeters (inches)
All dimensions are in millimeters (inches)
LEAD FREE PROCESS RECOMMEND TEMP. PROFILE
TTemp.
2
0
~
440sec.
P
e
a
k
T
e
m
p
.
2
4
0
~
2
4
5
0C
C
2217 C
70
R
a
x
m
.
p
d
o
w
nn
m
a
66.0 C/sec
00
2200 C
00
1150 C
00
P
r
e
~
h
e
a
8
t
0
t
i
m
ee
T
A
i
b
m
o
e
v
6
e
0
~
1
5
0
ssec.
6
0
ssec.
2217 C
70
R
a
m
p
uup
m
a
x
.
33.0 C/sec
00
225 C
50
TTime
Note: All temperature refers to topside of the package, measured on the package body surface.
DS_IPM24S0B0_03202007
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Mechanical Drawing
SMD PACKAGE
SIP PACKAGE
1
2
3
4
5
RECOMMEND PWB PAD LAYOUT
RECOMMEND PWB HOLE LAYOUT
Note: The copper pad is recommended to connect to the ground.
7
6
1
2
3
4
5
1
2
3
4
5
Note: All dimension are in millimeters (inches) standard dimension tolerance is± 0.10(0.004”)
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PART NUMBERING SYSTEM
IPM
24
S
0B0
S
03
F
A
Product
Family
Number of
Outputs
Output
Current
Input Voltage
Output Voltage
Package
Option Code
F- RoHS 6/6
(Lead Free)
Integrated POL
Module
11V ~ 36V
S - Single
0B0 - programmable
output
R - SIP
03 - 3A
A - Standard
Function
S - SMD
3.3V~6.5V
MODEL LIST
Model Name
Input Voltage
Output Voltage
Output Current
Efficiency (Full load@12Vin)
IPM24S0A0S/R03FA
8V ~ 36V
1.2V ~ 2.5V
3A
85%
IPM24S0B0S/R03FA
11V ~ 36V
3.3V ~ 6.5V
3A
91%
Model Name
Input Voltage
Output Voltage
Output Current
Efficiency (Full load@20Vin)
IPM24S0C0S/R03FA
20V ~ 36V
8.0V~15.0V
3A
95%
USA:
Europe:
Asia & the rest of world:
Telephone:
Telephone: +41 31 998 53 11
Fax: +41 31 998 53 53
Email: [email protected]
Telephone: +886 3 4526107 x6220
Fax: +886 3 4513485
East Coast: (888) 335 8201
West Coast: (888) 335 8208
Fax: (978) 656 3964
Email: [email protected]
WARRANTY
Delta offers a two (2) year limited warranty. Complete warranty information is listed on our web site or is available upon
request from Delta.
Information furnished by Delta is believed to be accurate and reliable. However, no responsibility is assumed by Delta
for its use, nor for any infringements of patents or other rights of third parties, which may result from its use. No license
is granted by implication or otherwise under any patent or patent rights of Delta. Delta reserves the right to revise these
specifications at any time, without notice.
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