CS51021A 데이터 시트보기 (PDF) - ON Semiconductor
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CS51021A Datasheet PDF : 11 Pages
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CS51021A, CS51022A, CS51023A, CS51024A
VIN
(36 V to 72 V)
PGND
51 k
BAS21
100
1.0 mF
SYNC/SLEEP
11 V
22 mF
FZT688
18 V
0.01 mF
10 k
4700 pF
22 k
51 k
330 pF
0.01 mF
10
VC
VREF
COMP
VFB
RTCT
SYNC/
SLEEP
CSS
LGND
VCC
UV
OV
ISET
SLOPE
GATE
ISENSE
PGND
200 k,
24.3 k, 1.0%
1.0%
2.49 k,
1.0%
BA521
IRF6345
100:1
10 k
4:1
6.98 k, 6.98 k, 100
1.0% 1.0%
62
470 pF
100 p
2:5
VOUT
(5 V/5 A)
10
680 pF 100 mF 100 mF
SGND
10 K
1.0 K
0.1 mF 5.1 k
TL431
180
MOC81025
1.0 k
1000 pF
2.0 k, 1.0%
2.0 k,
1.0%
Figure 1. Typical Application Diagram, 36−72 V to 5.0 V, 5.0 A DC−DC Converter
MAXIMUM RATINGS*
Rating
Value
Unit
Power Supply Voltage, VCC
Driver Supply Voltage, VC
SYNC, SLEEP, RTCT, SOFT−START, VFB, SLOPE, ISENSE, UV, OV, ISET (Logic Pins)
Peak GATE Output Current
−0.3, 20
V
−0.3, 20
V
0.25 to VREF
V
1.0
A
Steady State Output Current
±0.2
A
Operating Junction Temperature, TJ
Storage Temperature Range, TS
ESD (Human Body Model)
150
°C
−65 to +150
°C
2.0
kV
Lead Temperature Soldering:
Reflow: (SMD styles only) (Note 1)
230 peak
°C
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
*The maximum package power dissipation must be observed.
1. 60 second maximum above 183°C.
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