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L6738ATR 数据表(PDF) 11 Page - STMicroelectronics

部件名 L6738ATR
功能描述  Embedded bootstrap diode
PDF  32 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6738ATR 数据表(HTML) 11 Page - STMicroelectronics

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L6738A
Electrical specifications
Doc ID 18134 Rev 2
11/32
3
Electrical specifications
3.1
Absolute maximum ratings
3.2
Electrical characteristics
(VCC = 5 V to 12 V; Tj = 0
° to 70 ° C unless otherwise specified).
Table 4.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
VCC,VCCDR
to GND
-0.3 to 15
V
VBOOT, VUGATE
to GND
to PHASE
to GND, VCCDR = 12 V, t < 200 nsec.
-0.3 to 41
15
45
V
VPHASE
to GND
to GND, VCCDR = 12 V, t < 200 nsec.
-5 to 26
-8 to 30
V
VLGATE
to GND
-0.3 to VCCDR + 0.3
V
EN
to GND, VCC < 7 V
to GND, VCC > 7 V
-0.3 to VCC + 0.3
-0.3 to 7
V
CSP, CSN
to GND(1)
1.
Current sense network needs to be properly bias and loop closed.
-0.3 to VCC - 1.5
V
All other pins to GND
-0.3 to 3.6
V
Table 5.
Electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
Supply current and power-on
ICC
VCC supply current
EN = HIGH
9
mA
EN = GND
8
mA
ICCDR
VCCDR supply current
UGATE and LGATE = Open
2.6
mA
EN = GND
UGATE and LGATE = Open
0.3
mA
UVLOVCC,
UVLOVCCDR
Turn-ON threshold
VCC, VCCDR rising
4.1
V
Hysteresis
0.2
V
Oscillator enable and soft-start
FSW
Main oscillator accuracy
OSC = open
180
200
220
kHz
kOSC
Oscillator gain
Current sink/source from OSC
10
kHz/
µA
Tss
Soft-start time
OSC = open
4.5
5.12
5.7
msec
Tssdelay
SS delay
OSC = open, before SS
4.5
5.12
5.7
msec



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