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L6917B 데이터시트(PDF) 3 Page - STMicroelectronics

부품명 L6917B
상세설명  5 BIT PROGRAMMABLE DUAL-PHASE CONTROLLER
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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L6917B
ELECTRICAL CHARACTERISTICS
VCC = 12V ±10%, TJ = 0 to 70°C unless otherwise specified
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Vcc SUPPLY CURRENT
ICC
Vcc supply current
HGATEx and LGATEx open
VCCDR=VBOOT=12V
7.5
10
12.5
mA
ICCDR
VCCDR supply current
LGATEx open; VCCDR=12V
2
3
4
mA
IBOOTx
Boot supply current
HGATEx open; PHASEx to PGND
VCC=VBOOT=12V
0.5
1
1.5
mA
POWER-ON
Turn-On VCC threshold
VCC Rising; VCCDR=5V
7.8
9
10.2
V
Turn-Off VCC threshold
VCC Falling; VCCDR=5V
6.5
7.5
8.5
V
Turn-On VCCDR
Threshold
VCCDR Rising
VCC=12V
4.2
4.4
4.6
V
Turn-Off VCCDR
Threshold
VCCDR Falling
VCC=12V
4.0
4.2
4.4
V
OSCILLATOR/INHIBIT/FAULT
fOSC
Initial Accuracy
OSC = OPEN
OSC = OPEN; Tj=0
°C to 125°C
278
270
300
322
330
kHz
kHz
fOSC,Rosc Total Accuracy
RT to GND=74kΩ
450
500
550
kHz
INH
Inhibit threshold
ISINK=5mA
0.8
0.85
0.9
V
dMAX
Maximum duty cycle
OSC = OPEN
70
75
%
∆Vosc
Ramp Amplitude
1.8
2
2.2
V
FAULT
Voltage at pin OSC
OVP or UVP Active
4.75
5.0
5.25
V
REFERENCE AND DAC
Output Voltage
Accuracy
VID0, VID1, VID2, VID3, VID4
see Table1;
FBR = VOUT; FBG = GND
-0.8
-
0.8
%
IDAC
VID pull-up Current
VIDx = GND
4
5
6
µA
VID pull-up Voltage
VIDx = OPEN
3.1
-
3.4
V
ERROR AMPLIFIER
DC Gain
80
dB
SR
Slew-Rate
COMP=10pF
15
V/
µs
DIFFERENTIAL AMPLIFIER (REMOTE BUFFER)
DC Gain
1
V/V
CMRR
Common Mode Rejection Ratio
40
dB


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