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参数资料
| 型号： | V7PF-15B1AC0 |
| 厂商： | BEL FUSE INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 49.5 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, SIP-11 |
| 文件页数： | 3/8页 |
| 文件大小： | 242K |
| 代理商： | V7PF-15B1AC0 |
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
5.0 Vdc Input
1.2 Vdc - 3.3 Vdc/15 A Output
General Specifications
Parameter
Min
Typ
Max
Notes
Efficiency (Current Source)
VO=3.3 V
VO=1.8 V
VO=1.2 V
89%
83%
80%
93%
87%
82%
-
Efficiency (Current Sink)
VO=3.3 V
VO=1.8 V
VO=1.2 V
86%
79%
72%
90%
83%
75%
-
Measured at Vin=5 V, full load.
Switching Frequency
275 kHz
300 kHz
325 kHz
Output Voltage Trim Range
1.2 V
-
3.3 V
MTBF
4,573,743 hours
Calculated Per Bell Core SR-332
(Vin=5.0 V, IO=12 A; Ta = 25
°C)
Dimensions
Inches (L × W × H)
Millimeters (L × W × H)
1.2 x 1.0 x 0.457
30.48 x 25.4 x 11.6
Weight
-
13 g
-
Note
: All specifications are typical at 25 °C unless otherwise stated.
Control Specifications
Parameter
Min
Typ
Max
Notes
Remote On/Off
Signal Low (Unit Off)
-0.3 V
-
0.8 V
Signal High (Unit On)
2.4 V
-
7 V
Power Good Delay
1
-
10 mS
Signal Low
2
-
0.3 V
-
Current Sink
-
5 mA
-
Notes
: All specifications are typical at 25 °C unless otherwise stated.
1. Power good delay time is the time from output voltage in full regulation to power good asserted.
2. The power good signal is an open collector output. When the output of the module is higher than 90%
of the nominal set point, the power good pin is high.
Output Trim Equation
Equation for calculating the trim resistor (in k) given the desired adjusted voltage (Vadj) is shown below. The
Rtrim resistor should be connected between the Trim pin and Ground.
Power Good Signal Level Set
Equation for calculating the power good threshold (in k) given the desired adjusted voltage (Vadj) is shown
below. The Rset resistor should be connected between the PG_set pin (Pin 9) and Ground.
992
.
0
18
.
1
992
.
0
62
.
5
992
.
0
+
+
=
K
Rtrim
K
Vadj
Rtrim
Module
Vout
GND
Trim
24
.
1
10
86
.
18
21
.
2
24
.
1
19
.
6
_
6
+
+
=
Rset
K
Threshold
PG
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