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L9733 数据表(PDF) 13 Page - STMicroelectronics

部件名 L9733
功能描述  Octal self configuring Low/High side driver
PDF  33 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L9733 数据表(HTML) 13 Page - STMicroelectronics

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L9733
Electrical performance characteristics
13/33
3.2
AC Characteristics:
Tamb= -40 to 125°C, Vdd = 4.5 to 5.5 Vdc, Vbat = 4.5 to 18Vdc, unless otherwise specified
RdsonDrn1-8
On Resistance
(Drn to SRC1-8)
@ +125°C @ IDRN = 350mA
1.2
W
@ +25o C @ IDRN = 350mA
0.7
W
@ -40°C @ IDRN = 350mA
0.5
W
Drn1-8ther
(1)
Thermal Shutdown
Temperature
DI = ACFFh, IDrn1-8 = 1 mA,
SRC1 – SRC8 = GND, Increase
temperature until Drn1 - Drn8 > 2
VDC, Verify DO Bits 0-15 are ”Set”
151
200
°C
Drn1-8hyst
(1)
Hysteresis
Drn1 - Drn8 < 2 VDC
5
15
°C
1.
Design Information, Not Tested.
Table 5.
DC Characteristics (continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Table 6.
AC Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
TfiltDRN1-8
DRN1 - DRN8
Open load & short to
GND filter time (Low
Side)
(Latch mode)
DI = AC00h, DI = A3FFh
SRC1 – SRC8 = GND
300
900
µs
TfiltSRC1-8
SRC1 - SRC8
Open load & short to
Vbatfilter time (High
Side)
(Latch mode)
DI = AC00h, DI = A3FFh
DRN1 – DRN8 = Vb
300
900
µs
TdelDRN1-8
DRN1 - DRN8
Overcurrent Switch Off
Delay
(Low Side)
DI = ACFFh, DI = AA00h
SRC1 – SRC8 = GND
10
60
µs
TdelSRC1-8
SRC1 - SRC8
Overcurrent Switch Off
Delay
(High Side)
DI = ACFFh, DI = AA00h
DRN1 – DRN8 = Vb
10
60
µs
Tres
Restart time after
overcurrent switch off
Time (Int)
DI = ACFFh, DI = AA00h
120
450
ms
Drn1-8htol
Slew Rate
Turn On
Outputs loaded per Figure 5
See Figure 2
See Figure 2
0.65
1.95
V/
µs
Drn1-8ltoh
Turn Off (Low Side)
0.5
1.5
V/
µs



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