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L6730TR датащи(PDF) 11 Page - STMicroelectronics

номер детали L6730TR
подробное описание детали  Adjustable step-down controller with synchronous rectification
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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L6730TR датащи(HTML) 11 Page - STMicroelectronics

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L6730 - L6730B
Electrical characteristics
Doc ID 11938 Rev 3
11/52
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
7
9
mA
VCC quiescent current
OSC= open;
HG = open, LG = open, PH=open
8.5
10
Power-ON
5V BUS
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
12V BUS
Turn-ON VCC threshold
VOCH = 1.7V
8.3
8.6
8.9
Turn-OFF VCC threshold
VOCH = 1.7V
7.4
7.7
8.0
VIN OK
Turn-ON VOCH threshold
1.1
1.25
1.47
Turn-OFF VOCH threshold
0.9
1.05
1.27
VCCDR regulation
VCCDR voltage
VCC =5.5V to 14V
IDR = 1mA to 100mA
4.5
5
5.5
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
Initial accuracy
OSC = OPEN
380
400
420
kHz
fOSC,RT
Total accuracy
RT = 390K
Ω to V
CCDR
RT = 18K
Ω to GND
-15
15
%
ΔV
OSC
Ramp amplitude
2.1
V
Output voltage (1.2V MODE)
VFB
Output voltage
1.190
1.2
1.208
V
Output voltage (0.6 MODE)
VFB
Output voltage
0.597
0.6
0.603
V
Error amplifier
REAREF
EAREF input resistance
Vs. GND
70
100
150
k
Ω


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