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參數(shù)資料
| 型號(hào)： | ST890 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 1.2A CURRENT LIMITED HIGH SIDE WITH THERMAL SHUTDOWN |
| 中文描述： | 1.2A的電流限制高壓側(cè)熱關(guān)斷 |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 148K |
| 代理商： | ST890 |
ST890
2/7
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is
not implied.
THERMAL DATA
(*) This value depends from thermal design of PCB on which the device is mounted.
TRUTH TABLE FOR ON/OFF SWICH
CONNECTION DIAGRAM
(top view)
PIN DESCRIPTION
Symbol
Parameter2
Value
Unit
V
I
Supply Voltage
Power DMOS Drain to Source Voltage
-0.5 to 6
-0.5 to 6
V
V
V
ON,
V
FAULT
V
SET,
V
O
I
DS
T
stg
Logic Input Voltage
Maximum Continuous Switching Current
Storage Temperature Range
Operating Junction Temperature Range (C series)
-0.5 to (V
IN
+ 0.5)
1.5
-65 to +150
0 to +70
-40 to +85
V
A
°C
°C
°C
T
op
(B series)
Symbol
Parameter
SO-8
Unit
R
thj-amb
Thermal Resistance Junction-ambient (*)
160
°C/W
ON/OFF
OUT
L
H
ON
OFF
FAULT
FLAG
H
L
Normal Operation
Fault Condition
Pin N°
Symbol
Name and Function
1, 2
3
4
5
IN
ON
GND
SET
Input P-Channel MOSFET source. Bypass IN with a 1
μ
F capacitor to ground.
Active Low Switch On Input. A logic low turns the switch ON
Ground
Set Current Limit Input. A resistor from SET to GROUND sets the current limit for
the switch. R
SET
=1.38x10
3
/I
LIM
, where I
LIM
is the desired currnet limit in Amperes
Switch Output. P-Channel MOSFET drain. Bypass OUT with a 0.1mF capacitor to
GROUND.
Fault Indicator Output. This open drain output goes low when in current limit or
when the die temperature exceeds 135°C
6, 7
OUT
8
FAULT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ST890_05 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2A CURRENT LIMITED HIGH SIDE WITH THERMAL SHUTDOWN |
| ST890_09 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2 A current limited high side power switch with thermal shutdown |
| ST890B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:1.2 CURRENT LIMITED HIGH SIDE WITH THERMAL SHUTDOWN |
| ST890B_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2 A current limited high side power switch with thermal shutdown |
| ST890BD | 功能描述:電源開(kāi)關(guān) IC - 配電 1.2A Hi-Side Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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