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L6725 数据表(PDF) 8 Page - STMicroelectronics

部件名 L6725
功能描述  Low cost adjustable step-down controller
Download  27 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6725 数据表(HTML) 8 Page - STMicroelectronics

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Electrical characteristics
L6725
8/27
4
Electrical characteristics
VCC = 12V, TA = 25°C unless otherwise specified.
Table 4.
Electrical characteristics
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VCC SUPPLY CURRENT
ICC
VCC Stand By current
SS to GND
7
9
mA
VCC quiescent current
HG = open, LG = open, PH=open
8.5
10
Power-ON
VCC
Turn-ON VCC threshold
VOCH = 1.7V
4.0
4.2
4.4
V
Turn-OFF VCC threshold
VOCH = 1.7V
3.6
3.8
4.0
V
VIN OK
Turn-ON VOCH threshold
1.1
1.25
1.47
V
Turn-OFF VOCH threshold
0.9
1.05
1.27
V
VCCDR Regulation
VCCDR voltage
VCC =5.5V to 14V
IDR = 1mA to 100mA
4.555.5
V
Soft Start and Inhibit
ISS
Soft Start Current
SS = 2V
7
10
13
µA
SS = 0 to 0.5V
20
30
45
Oscillator
fOSC
Accuracy
237
250
263
KHz
450
500
550
KHz
∆VOSC
Ramp Amplitude
2.1
V
Output Voltage
VFB
Output Voltage
0.597
0.6
0.603
V


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