L6911C Просмотр технического описания (PDF) - STMicroelectronics
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L6911C Datasheet PDF : 20 Pages
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L6911C
ELECTRICAL CHARACTERISTCS (VCC = 12V, Tamb = 25°C unless otherwise specified)
Symbol
Parameter
Test Condition
Min. Typ.
VCC SUPPLY CURRENT
Icc Vcc Supply current
UGATE and LGATE open
5
POWER-ON
Turn-On Vcc threshold
VOCSET=4.5V
Turn-Off Vcc threshold
VOCSET=4.5V
3.6
Rising VOCSET threshold
1.24
ISS Soft start Current
10
OSCILLATOR
Free running frequency
Total Variation
RT = OPEN
6 KΩ < RT to GND < 200 KΩ
180 200
-15
∆Vosc Ramp amplitude
RT = OPEN
1.9
REFERENCE AND DAC
DACOUT Voltage
Accuracy
VID0, VID1, VID2, VID3, VID4
-1
see Table1; Tamb = 0 to 70°C
VID Pull-Up voltage
4
ERROR AMPLIFIER
DC Gain
88
GBWP Gain-Bandwidth Product
10
SR Slew-Rate
COMP=10pF
10
GATE DRIVERS
IUGATE High Side Source
Current
VBOOT - VPHASE=12V,
VUGATE - VPHASE= 6V
1
1.3
RUGATE High Side Sink
VBOOT-VPHASE=12V,
2
Resistance
IUGATE = 300mA
ILGATE Low Side Source
Current
Vcc=12V, VLGATE = 6V
0.9
1.1
RLGATE Low Side Sink
Resistance
Vcc=12V, ILGATE = 300mA
1.5
Output Driver Dead Time
PHASE connected to GND
120
PROTECTIONS
Over Voltage Trip
VSEN Rising
117
(VSEN/DACOUT)
IOCSET OCSET Current Source
VOCSET = 4.5V
170 200
IOVP OVP Sourcing Current
POWER GOOD
VSEN > OVP Trip, VOVP=0V
60
Upper Threshold
(VSEN/DACOUT)
Lower Threshold
(VSEN/DACOUT)
VSEN Rising
VSEN Falling
110 112
86
88
Hysteresis
Upper and Lower threshold
2
(VSEN/DACOUT)
VPGOOD PGOOD Voltage Low
IPGOOD = -5mA
0.5
Max.
4.6
220
15
1
4
3
120
230
114
90
Unit
mA
V
V
V
µA
KHz
%
Vp-p
%
V
dB
MHz
V/µS
A
Ω
A
Ω
ns
%
µA
mA
%
%
%
V
4/20
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