參數(shù)資料
型號: V7AF-08AT50G
廠商: BEL FUSE INC
元件分類: 電源模塊
英文描述: 1-OUTPUT 7.2 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT, SIP-5
文件頁數(shù): 2/8頁
文件大?。?/td> 156K
代理商: V7AF-08AT50G
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
12 Vdc Input Vddq/2 / 8 A Output
Dec. 03, 2010
Bel Power Inc., a subsidiary of Bel Fuse Inc.
Input Specifications (continued)
Parameter
Min
Typ
Max
Notes
Input Reflected Ripple Current (pk-pk)
-
110 mA
180 mA
Input Reflected Ripple Current (rms)
-
25 mA
60 mA
With simulated source impedance
of 1000 nH, 5 Hz to 20 MHz. Use a
100 uF/25 V Tan cap with
ESR=0.025 ohm max, at 100
kHz@25°C.
I
2
t Inrush Current Transient
Turn on Voltage Threshold
Turn off Voltage Threshold
Notes
: 1. All specifications are typical at 25
°
C
unless otherwise stated.
2. This power module is not internally fused. An input line fuse must always be used.
Output Specifications
Parameter
Output Voltage Set Point
Tracking Tolerance
(Vddq/2-Vout)/Vout
Load Regulation
Line Regulation
Output Current
Output DC Current Limit
-
0.006 A
2
s
-
-
0.012 A
2
s
3.9 V
3.7 V
2.6 V
2.4 V
Min
-
Typ
Vddq/2
Max
-
Notes
Vin=12 V, lout=full load
-1.5%
-
1.5%
-
-
3 mV
3 mV
-
-
6 mV
6 mV
8 A
14 A
Test conditions:
0-20 MHz BW, with a 22 uF / 6.3 V
ceramic capacitor at the output.
0 A
9.2 A
Output Ripple and Noise (pk-pk)
-
25 mV
50 mV
Output Ripple and Noise (rms)
-
8 mV
15 mV
Short Circuit Surge Transient
-
1.1 A
2
s
2.2 A
2
s
Turn on Time
VRAF-08AT50
VRAF-08ET50
-
2.5 mS
5 mS
0%
-
5 mS
8 mS
3%
2200 uF
Start up from ENABLE.
Overshoot at Turn on
Output Capacitance
Transient Response
50% ~ 100% Max Load
-
0 uF
-
-
-
-
100 mV
20 uS
100 mV
20 uS
200 mV
50 uS
200 mV
50 uS
Settling Time
100% ~ 50% Max Load
Settling Time
V
O
=0.9 V
di/dt=0.3 A/uS; Vin12 V; and
with a 22 uF / 6.3 V ceramic
capacitor at the output.
Note
: All specifications are typical at Vin =12 V, Vddq=1.8 V, Io=8 A, Ta= 25°C unless otherwise stated.
General Specifications
Parameter
Min
Typ
Efficiency
68%
69%
Switching Frequency
260 kHz
300 kHz
Max
-
340 kHz
Notes
Vin=12 V, Vddq=1.8 V, Io=8 A
Calculated Per Bell Core SR-332 (I
O
=
80% load; Vin=12 V; T
a
= 25
°
C)
MTBF
6,416,286 hours
Dimensions
Inches (L
×
W
×
H)
Millimeters (L
×
W
×
H)
0.65 x 0.41 x 0.40
16.51 x 10.41 x 10.16
2.5 g
Weight
Note
: All specifications are typical at 25
°
C
unless otherwise stated.
-
-
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