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L6571 Datasheet(PDF) 5 Page - STMicroelectronics

Part # L6571
Description  High voltage half bridge driver with oscillator
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6571 Datasheet(HTML) 5 Page - STMicroelectronics

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L6571A - L6571B
Electrical data
Doc ID 4946 Rev 6
5/12
3
Electrical data
VS = 12V; VBOOT - VOUT = 12V; Tj = 25 °C; unless otherwise specified.
Table 5.
Electrical characteristcs
Symbol
Pin
Parameter
Test Condition
Min.
Typ.
Max.
Unit
VSUVP
1
VS turn on threshold
8.3
9
9.7
V
VSUVN
VS turn off threshold
7.3
8
8.7
V
VSUVH
VS hysteresis
0.7
1
1.3
V
VCL
VS clamping voltage
IS = 5 mA
14.6
15.6
16.6
V
ISU
Start up current
VS < VSUVN
150
250
μA
Iq
Quiescent current
VS > VSUVP
500
700
μA
IBOOTLK
8
Leakage current BOOT pin vs GND
VBOOT = 580V
5
μA
IOUTLK
6
Leakage current OUT pin vs GND
VOUT = 562V
5
μA
IHVG SO
7
High side driver source current
VHVG = 6V
110
175
mA
IHVG SI
High side driver sink current
VHVG = 6V
190
275
mA
ILVG SO
5
Low side driver source current
VLVG = 6V
110
175
mA
ILVG SI
Low side driver sink current
VLVG = 6V
190
275
mA
VRFON
2
RF high level output voltage
IRF =1mA
VS -0.05
VS -0.2
V
VRF OFF
RF low level output voltage
IRF = -1mA
50
200
mV
VCFU
3
CF upper threshold
7.7
8
8.2
V
VCFL
CF lower threshold
3.80
4
4.3
V
td
Internal dead time
L6571A
L6571B
0.85
0.50
1.25
0.72
1.65
0.94
μs
μs
DC
Duty cycle, ratio between dead
Time + conduction time of high
Side and low side drivers
0.45
0.5
0.55
IAVE
1
Average current from Vs
No Load, fs = 60KHz
1.2
1.5
mA
fout
6
Oscillation frequency
RT = 12K; CT = 1nF
57
60
63
kHz


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