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3/33
L6917B
ELECTRICAL CHARACTERISTICS
V
CC
= 12V ±10%, T
J
= 0 to 70°C unless otherwise specified
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Vcc SUPPLY CURRENT
I
CC
Vcc supply current
HGATEx and LGATEx open
V
CCDR
=V
BOOT
=12V
7.5
10
12.5
mA
I
CCDR
V
CCDR
supply current
LGATEx open; V
CCDR
=12V
2
3
4
mA
I
BOOTx
Boot supply current
HGATEx open; PHASEx to PGND
V
CC
=V
BOOT
=12V
0.5
1
1.5
mA
POWER-ON
Turn-On V
CC
threshold
V
CC
Rising; V
CCDR
=5V
7.8
9
10.2
V
Turn-Off V
CC
threshold
V
CC
Falling; V
CCDR
=5V
6.5
7.5
8.5
V
Turn-On V
CCDR
Threshold
V
CCDR
Rising
V
CC
=12V
4.2
4.4
4.6
V
Turn-Off V
CCDR
Threshold
V
CCDR
Falling
V
CC
=12V
4.0
4.2
4.4
V
OSCILLATOR/INHIBIT/FAULT
f
OSC
Initial Accuracy
OSC = OPEN
OSC = OPEN; Tj=0
°
C to 125
°
C
278
270
300
322
330
kHz
kHz
f
OSC,Rosc
Total Accuracy
R
T
to GND=74k
Ω
450
500
550
kHz
INH
Inhibit threshold
I
SINK
=5mA
0.8
0.85
0.9
V
d
MAX
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 = V
OUT
; FBG = GND
-0.8
-
0.8
%
I
DAC
VID pull-up Current
VIDx = GND
4
5
6
µ
A
VID pull-up Voltage
VIDx = OPEN
3.1
-
3.4
V
ERROR AMPLIFIER
DC Gain
80
dB
SR
Slew-Rate
COMP=10pF
15
V/
µ
s
DIFFERENTIAL AMPLIFIER (REMOTE BUFFER)
DC Gain
1
V/V
CMRR
Common Mode Rejection Ratio
40
dB
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