L6712ADTR(2004) 데이터 시트보기 (PDF) - STMicroelectronics
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L6712ADTR Datasheet PDF : 27 Pages
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L6712A L6712
ELECTRICAL CHARACTERISTCS
(VCC = 12V±10%, TJ = 0°C to 70°C unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Vcc SUPPLY CURRENT
ICC
VCC supply current
HGATEx and LGATEx open
7.5
VCCDR=BOOTx=12V
ICCDR
VCCDR supply current LGATEx open; VCCDR=12V
1.5
IBOOTx
Boot supply current
HGATEx open; PHASEx to
0.5
PGND; VCC=BOOTx=12V
POWER-ON
Turn-On VCC threshold VCC Rising; VCCDR=5V
8.2
Turn-Off VCC threshold VCC Falling; VCCDR=5V
6.5
Turn-On VCCDR
VCCDR Rising
4.2
Threshold
VCC=12V
Turn-Off VCCDR
VCCDR Falling
4.0
Threshold
VCC=12V
OSCILLATOR AND INHIBIT
fOSC
Initial Accuracy
OSC = OPEN
135
OSC = OPEN; Tj=0°C to 125°C 127
INH
Inhibit threshold
ISINK=5mA
0.5
dMAX
Maximum duty cycle
L6712, OSC = OPEN: IDROOP=0 72
OSC = OPEN; IDROOP=70µA
30
L6712A, OSC = OPEN
85
∆Vosc
Ramp Amplitude
FAULT
Voltage at pin OSC
OVP Active
4.75
REFERENCE AND DAC
VOUT (1)
Output Voltage Accuracy VIDx See Table 1, VID ≠ “11x“ -0.9
VID = “110“
-1.0
REF_IN/OUT Reference Accuracy
VIDx See Table 1, VID ≠ “111” VOUT -5
Current Capability
3
Load Regulation
IREF = from 0 to 3mA
VPROG / REF_IN/ Accuracy with external VID=“111”;
-2.0
OUT
reference
REF_IN/OUT = 0.8V to 3.3V
REF_IN/OUT Input impedance
IVID
VID pull-up Current
VIDx =SGND
VVID
VID pull-up Voltage
VIDx = OPEN
VIDIL
VID Input Levels
Input Low
VIDIH
Input High
1.0
ERROR AMPLIFIER
VOS_EA
Offset
FB = COMP
-5
DC Gain
SR
Slew-Rate
COMP=10pF
IFB_START
Start-up Current
FB=SGND; During Soft Start… 65
DIFFERENTIAL AMPLIFIER (REMOTE BUFFER)
VOS_RA
Offset
VSEN = FBG
-8
Typ.
10
3
1
9.2
7.5
4.4
4.2
150
80
40
90
3
5.0
-
-
VOUT
400
5
3
80
15
Max.
12.5
4
1.5
10.2
8.5
4.6
4.4
165
178
-
-
5.25
0.9
1.0
VOUT+5
5.0
2.0
0.4
5
8
Unit
mA
mA
mA
V
V
V
V
kHz
kHz
V
%
%
%
V
V
%
%
mV
mA
mV
%
kΩ
µA
V
V
V
mV
dB
V/µs
µA
mV
3/27
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