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参数资料
| 型号： | L6731D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 20 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | HTSSOP-16 |
| 文件页数： | 22/23页 |
| 文件大小： | 386K |
| 代理商： | L6731D |
Electrical characteristics
L6731D
8/23
4
Electrical characteristics
VCC = 12 V, TA = 25 °C unless otherwise specified.
Table 5.
Electrical characteristics
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
VCC supply current
ICC
VCC stand by current
OSC = open; SS to GND
4.5
6.5
mA
VCC quiescent current
OSC= open;
HG = open, LG = open,
PH = open
8.5
10
Power-ON
VCC
Turn-ON VCC threshold
VOCH = 1.7 V
4.0
4.2
4.4
V
Turn-OFF VCC threshold
VOCH = 1.7 V
3.6
3.8
4.0
V
VIN OK
Turn-ON VOCH threshold
1.1
1.25
1.47
V
VIN OK
Turn-OFF VOCH threshold
0.9
1.05
1.27
V
VCCDR regulation
VCCDR voltage
VCC =5.5 V to 14 V
IDR = 1 mA to 100 mA
4.555.5
V
Soft-start and inhibit
ISS
Soft start current
SS = 2 V
7
10
13
A
SS = 0 to 0.5 V
20
30
45
Oscillator
fOSC
Accuracy
237
250
263
kHz
450
500
550
kHz
V
OSC
Ramp amplitude
2.1
V
Output voltage
VFB
Output voltage
VDIS = 0 to Vth
0.597
0.6
0.603
V
Error amplifier
REAREF
EAREF input resistance
Vs. GND
70
100
150
k
IFB
I.I. bias current
VFΒ = 0 V
0.290
0.5
A
Ext Ref
Clamp
2.3
V
VOFFSET
Error amplifier offset
Vref = 0.6 V
-5
+5
mV
GV
Open loop voltage gain
Guaranteed by design
100
dB
GBWP
Gain-bandwidth product
Guaranteed by design
10
MHz
SR
Slew-rate
COMP = 10 pF
Guaranteed by design
5V/
s
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