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07PF-20A1A0

Description
NON-ISOLATED DC/DC CONVERTERS 12V Input 0.9V-5.0V/20A Output
File Size200KB,7 Pages
ManufacturerBel
Websitehttp://www.belfuse.com
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07PF-20A1A0 Overview

NON-ISOLATED DC/DC CONVERTERS 12V Input 0.9V-5.0V/20A Output

07PF-20A1A0 Preview

NON-ISOLATED DC/DC CONVERTERS
12V Input
0.9V-5.0V/20A Output
x7PF-20A1A0
Non-Isolated
Fixed Frequency (275KHz)
High Efficiency
High Power Density
Power Good Output Signal (open
collector)
Under-Voltage Lockout (UVLO)
Wide Trim Range
Converter Can Sink and Source
Current
OCP/SCP
Remote On/Off
Low Cost
Description
The Bel x7PF-20A1A0 is a new high density open frame non-isolated converter series for space sensitive
applications. Each model has a wide input range (10.2V-13.8V) and offers a wide range of output voltage (0.9V
- 5.0V) with a 20A load. An external resistor adjusts the output voltage from its pre-set value of 0.9V to any
value up to the 5.0V maximum. Typical efficiency is 92% at Vo=5V, Vin=12V at full load. Typical features
include remote on/off, under-voltage lockout, over-current protection and short circuit protection.
Part Selection
Output
Voltage
0.9V – 5.0V
Input
Voltage
12V
Max. Output
Current
20A
Max. Output
Power
100W
Typical
Efficiency
92%
Model Number
Vertical Mount
V7PF-20A1A0
Model Number
Horizontal Mount
07PF-20A1A0
Note:
Add “G” suffix at the end of the model number to indicate Tray Packaging.
Absolute Maximum Ratings
Parameter
Input Voltage (continuous)
Output Enable Terminal Voltage
Ambient Temperature
Storage Temperature
Min
-0.3V
-0.3V
0°C
-40°C
Typ
-
-
-
-
Max
13.8V
13.8V
80°C
125°C
Notes
Input Specifications
Parameter
Input Voltage
Input Current (Source)
Vo=5.0V
Vo=2.5V
Vo=0.9V
Input Current (Sink)
Vo=2.5V
Vo=0.9V
Input Current (No Load)
Remote Off Input Current
-
-
-
-
-3.44A
-0.97 A
95mA
5mA
-
-
-
10mA
Min
10.2V
-
-
-
Typ
-
9.1A
4.9A
2.2A
Max
13.8V
-
-
-
Able to sink 20A output current at any
output voltage up to and including 2.5V.
Notes
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
NON-ISOLATED DC/DC CONVERTERS
12V Input
0.9V-5.0V/20A Output
Input Specifications (continued)
Parameter
Input Reflected Ripple Current (pk-pk)
Vo=5.0V
Vo=3.3V
Vo=2.5V
Vo=0.9V
Input Reflected Ripple Current (RMS)
Vo=5.0V
Vo=3.3V
Vo=2.5V
Vo=0.9V
External Input Capacitance
Turn-on Voltage Threshold
Turn-off Voltage Threshold
Min
-
-
-
-
-
-
-
8.5V
7.0V
Typ
280mA
250mA
200mA
150mA
80mA
70mA
45mA
40mA
540uF
9.0V
7.6V
Max
350mA
320mA
280mA
250mA
120mA
100mA
80mA
60mA
-
9.5V
8.3V
Notes
Tested with simulated source
impedance of 1.5uH 5Hz to 20MHz,
and 2
×
270uF/16V Oscon capacitors
(ESR
20 mΩ) at the input
Note:
All specifications are typical at 25
°C
unless otherwise stated.
Output Specifications
Parameter
Output Voltage Set Point
Output Voltage Set Point
Load Regulation
Vo=5.0V
Vo=3.3V
Vo=2.5V
Vo=0.9V
Line Regulation
Output Ripple and Noise (pk-pk)
Vo=5.0V
Vo=3.3V
Vo=2.5V
Vo=0.9V
Output Ripple and Noise (RMS)
Vo=5.0V
Vo=3.3V
Vo=2.5V
Vo=0.9V
Output Current
Current Limit Threshold
Short Circuit Surge Transient
Turn on Time
Overshoot at Turn on
Output Capacitance
Vo=5.0V
Vo=2.5V
Vo=0.9V
Transient Response
50% ~ 75% Max Load
Settling Time V
O
=0.9V-
5.0V
75% ~ 50% Max Load
Settling Time
-
-
-
-
-
-
-
-
-
-
-
-
-
0A
25A
-
-
-
680uF
680uF
680uF
-
-
-
-
-
-
-
-
-
65mV
60mV
55mV
45mV
18mV
15mV
15mV
10mV
-
-
-
5mS
0%Vo
-
-
-
100mV
40uS
100mV
40uS
0.4%Vo,set
0.4%Vo,set
0.5%Vo,set
1%Vo,set
0.5%Vo,set
80mV
75mV
70mV
55mV
25mV
25mV
20mV
15mV
20A
40A
0.1A
2
s
10mS
3%Vo
5080uF
7840uF
11000uF
150mV
80uS
150mV
80uS
Test conditions:
di/dt=2.5A/uS; Vin=12V; with a 680uF/6.3V
Oscon capacitor (ESR
12mΩ),10uF/16V
Tantalum capacitor, and 10nF ceramic
capacitor at the output.
Io=Iomin to Iomax
Min
-2.5%Vo,set
-3.5%Vo,set
Typ
-
-
Max
2.5%Vo,set
3.5%Vo,set
Notes
Vin=12V, lo=lomax, full load
Over all operating input voltage, resistive
load, and temperature conditions
Vin=Vinmin to Vinmax
Tested at 0-20MHz BW, with a
680uF/6.3V Oscon capacitor (ESR
12
mΩ), 10uF/16V Tantalum capacitor, and
10nF ceramic capacitor at the output.
Note:
All specifications are typical at nominal input, full load at 25
°C
unless otherwise stated.
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
NON-ISOLATED DC/DC CONVERTERS
12V Input
0.9V-5.0V/20A Output
Min
89%
86%
83%
65%
79%
60%
240KHz
0.9V
Typ
92%
89%
86%
69%
82%
63%
275KHz
-
5,570,000 hours
1.2 x 1.1 x 0.457
30.48 x 27.94 x 11.6
1.2 x 1.1 x 0.508
30.48 x 27.94 x 12.91
15g
Max
-
-
-
-
-
-
310KHz
5.0V
Notes
General Specifications
Parameter
Efficiency (Current Source)
Vo=5.0V
Vo=3.3V
Vo=2.5V
Vo=0.9V
Efficiency (Current Sink)
Vo=2.5V
Vo=0.9V
Switching Frequency
Output Voltage Trim Range
MTBF
Dimensions
Inches (L
×
W
×
H)
Millimeters (L
×
W
×
H)
Dimensions
Inches (L
×
W
×
H)
Millimeters (L
×
W
×
H)
Weight
Measured at Vin=12V, full load.
Vo=0.9V when the Trim pin is open.
Calculated Per Bell Core TR-332 (I
O
=
Nominal; T
a
= 25°C)
V7PF-20A1A0
07PF-20A1A0
-
-
Note:
All specifications are typical at 25
°C
unless otherwise stated.
Control Specifications
Parameter
Remote On/Off
Signal Low (Unit Off)
Signal High (Unit On)
Power Good
Power Good Delay
1
Min
-0.3V
2.4V
-
Typ
-
-
-
Max
0.8V
13.8V
8mS
Notes
Remote On/Off pin open, unit on.
Note:
All specifications are typical at 25
°C
unless otherwise stated.
1. the power good signal is an open collector output. When the output of the module reaches 90% of the
nominal set point, the power good pin is set high.
Output Trim Equations
Equation for calculating the trim resistor (in kΩ) given the desired adjusted voltage (Vadj) is shown below. The
Trim Up resistor should be connected between the Trim pin and Ground. Trim values should not be less than
280Ω.
R
trim
1.17
=
V
adj
0.9
Vout
Module
Trim
GND
Rtrim
Equation for calculating the trim voltage (in V) given the desired adjusted voltage (Vadj) is shown below. The
Trim Up voltage should be connected between the Trim pin and Ground.
Vout
Rs
×
(1.3
Vt
1.17 )
Rt
=
1.17
Rs
×
(
V
adj
0.9 )
Module
Rt
Trim
Rs
GND
Vt
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
NON-ISOLATED DC/DC CONVERTERS
12V Input
0.9V-5.0V/20A Output
Efficiency Data
5.0V Vout(SOURCE)
93.0%
Efficiency
90.0%
87.0%
84.0%
81.0%
78.0%
2.0
5.0
10.0
15.0
20.0
10.2V
12.0V
13.8V
Output Current (A)
2.5V Vout(SOURCE)
91.0%
88.0%
Efficiency
85.0%
82.0%
79.0%
76.0%
73.0%
2.0
5.0
10.0
Output Current (A)
15.0
20.0
10.2V
12.0V
13.8V
0.9V Vout(SOURCE)
85.0%
80.0%
75.0%
Efficiency
70.0%
65.0%
60.0%
55.0%
50.0%
2.0
5.0
10.0
Output Current (A)
15.0
20.0
10.2V
12.0V
13.8V
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com
NON-ISOLATED DC/DC CONVERTERS
12V Input
0.9V-5.0V/20A Output
Thermal Derating Curves
Vo=5V; Vin=12V
Vo=2.5V; Vin=12V
Vo=0.9V; Vin=12V
Bel Fuse Inc.
206 Van Vorst Street, Jersey City, NJ 07302
Tel 201-432-0463
Fax 201-432-9542
www.belfuse.com

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Description NON-ISOLATED DC/DC CONVERTERS 12V Input 0.9V-5.0V/20A Output NON-ISOLATED DC/DC CONVERTERS 12V Input 0.9V-5.0V/20A Output NON-ISOLATED DC/DC CONVERTERS 12V Input 0.9V-5.0V/20A Output
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