參數(shù)資料
型號： L9733
廠商： 意法半導(dǎo)體
英文描述： Octal self configuring Low/High side driver
中文描述： 八路自我配置低/高邊驅(qū)動器
文件頁數(shù)： 13/33頁
文件大?。?/td> 466K
代理商： L9733
L9733
Electrical performance characteristics
13/33
3.2
AC Characteristics:
T
amb
= -40 to 125°C, V
dd
= 4.5 to 5.5 Vdc, V
bat
= 4.5 to 18Vdc, unless otherwise specified
AC Characteristics
Rdson
Drn1-8
On Resistance
(Drn to SRC1-8)
@ +125°C @ I
DRN
= 350mA
1.2
W
@ +25o C @ IDRN = 350mA
0.7
W
@ -40°C @ I
DRN
= 350mA
0.5
W
Drn1-8
ther
(1)
Thermal Shutdown
Temperature
DI = ACFFh, I
Drn1-8
= 1 mA,
SRC1 – SRC8 = GND, Increase
temperature until Drn1 - Drn8 > 2
VDC, Verify DO Bits 0-15 are ”Set”
151
200
°C
Drn1-8
hyst(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.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
T
filtDRN1-8
DRN1 - DRN8
Open load & short to
GND filter time (Low
Side)
(Latch mode)
DI = AC00h, DI = A3FFh
SRC1 – SRC8 = GND
300
900
μ
s
T
filtSRC1-8
SRC1 - SRC8
Open load & short to
Vbatfilter time (High
Side)
(Latch mode)
DI = AC00h, DI = A3FFh
DRN1 – DRN8 = Vb
300
900
μ
s
T
delDRN1-8
DRN1 - DRN8
Overcurrent Switch Off
Delay
(Low Side)
DI = ACFFh, DI = AA00h
SRC1 – SRC8 = GND
10
60
μ
s
T
delSRC1-8
SRC1 - SRC8
Overcurrent Switch Off
Delay
(High Side)
DI = ACFFh, DI = AA00h
DRN1 – DRN8 = Vb
10
60
μ
s
Tres
Restart time after
overcurrent switch off
Time (Int)
DI = ACFFh, DI = AA00h
120
450
ms
Drn1-8
htol
Slew Rate
Turn On
Outputs loaded per
Figure 5
See
Figure 2
See
Figure 2
0.65
1.95
V/
μ
s
Drn1-8
ltoh
Turn Off (Low Side)
0.5
1.5
V/
μ
s
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L9734 功能描述:低壓差穩(wěn)壓器 - LDO Octal self Config Low/High Side Driver RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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