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參數(shù)資料
| 型號： | ST890B |
| 英文描述： | 1.2 CURRENT LIMITED HIGH SIDE WITH THERMAL SHUTDOWN |
| 中文描述： | 1.2高壓側(cè)電流限制與熱關(guān)斷 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 148K |
| 代理商： | ST890B |
ST890
3/7
ELECTRICAL CHARACTERISTICS
(V
IN
=3V, T
A
= T
MIN
to T
MAX
, unless otherwise specified. Typical
values are at T
A
= 25 °C)
TIMINGL CHARACTERISTICS
(V
IN
=3V, T
A
= T
MIN
to T
MAX
, unless otherwise specified. Typical values
are at T
A
= 25 °C)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
I
I
CC
Operating Voltage
ON Quiescent Supply
Current
I
(CCOFF)
OFF Quiescent Supply
Current
I
D
=1mA
V
I
= 5V,
2.7
5.5
25
V
μ
A
ON=GND
I
O
=0
13
ON=IN
ON=IN
Rising Edge
V
I
= V
OUT
=5.5V
V
I
= 5.5V
1
5
μ
A
V
O
=0
V
ULO
V
HYST
Undervoltage Lockout
Undervoltage Lockout
Hysteresys
ON Resistance
2.0
2.4
100
2.6
V
mV
R
ON
V
I
= 4.5V
V
I
= 3V
I
O
=100mA V
SET
rised until V
I
- V
O
> 0.8V
75
90
1.24
120
130
1.302
m
V
SET
Reference Voltage to Turns
The Switch OFF
Maximum Output Current
Limit
Short Circuit Current Limit
I
O
to I
SET
Current Ratio
ON Input Low Level Voltage V
I
= 2.7 to 5.5V
ON Input High Level
Voltage
1.178
V
I
MAX
1.2
A
I
SC
1.2 I
LIM
1110
A
I
O
/I
SET
V
IL
V
IH
I
O
=500mA
V
O
> 1.6V
970
1300
0.8
V
V
V
I
= 2.7 to 3.6V
V
I
= 4.5 to 5.5V
V
I
= 5.5V
V
SET
= 1.24V I
O
=0A
I
SINK
=1mA
2.0
2.4
I
I
ON Input Leakage Current
I
SET
Bias Current
FAULT Output Low Voltage
FAULT Output High Voltage V
FAULT
=5.5V
Thermal Protection
Thermal Hysteresys
1
3
μ
A
μ
A
V
μ
A
°C
°C
I
SET
V
OL
I
OH
T
PROT
T
HYST
V
I
= V
O
0.5
0.15
V
SET
= 1.4V
V
SET
= 1V
1
130
15
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
μ
s
t
RESP
Slow Current Loop
Response Time
Fast Current Loop
Response Time
Turn ON Time
20% Current Overdrive, V
CC
= 5V
5
2
μ
s
t
ON
V
I
= 5V,
V
I
= 3V,
V
I
= 5V
I
O
=500mA
I
O
=500mA
25
50
2
50
μ
s
t
OFF
Turn OFF Time
1
10
μ
s
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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:電源開關(guān) IC - 配電 1.2A Hi-Side Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(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 |
| ST890BDR | 功能描述:電源開關(guān) IC - 配電 1.2A Hi-Side Switch RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(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 |
| ST890BDR-CUT TAPE | 制造商:ST 功能描述:ST890 Series 1.2 A Limited High Side Power Switch with Thermal Shutdown - SOIC-8 |
| ST890C | 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 |
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