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L6732TR Fiches technique(PDF) 9 Page - STMicroelectronics

No de pièce L6732TR
Description  Adjustable step-down controller with synchronous rectification
Download  36 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6732TR Fiches technique(HTML) 9 Page - STMicroelectronics

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L6732
Electrical characteristics
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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
OSC = open; SS to GND
7
9
mA
VCC quiescent current
OSC= open;
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
VIN OK
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
VDIS = 0 to Vth
0.597
0.6
0.603
V


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