Datasheet > ST890_09

ST890_09

更新时间： 2022-12-20 03:11:16

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		开关
页数	文件大小	规格书
20页	560K
描述
1.2 A current limited high side power switch with thermal shutdown

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ST890_09 数据手册

ST890

Maximum rating

Table 8.

Symbol

Electrical characteristics (continued)

Value

Test condition⁽¹⁾

Parameter

T_A= 25°C

Unit

Max

Min

Typ

V_ULO

V_HYST

R_ON

Undervoltage

lockout

Rising edge

2.0

2.4

2.6

Undervoltage

lockout hysteresis

100

V_I= 4.5 V

V_I= 3 V

120

130

mΩ

ON resistance

V_SET

I_O= 100 mA

1.178

1.24

1.302

Reference voltage

to turn the switch

OFF

V_SETrise until V_I- V_O>

0.8V

I_MAX

Maximum

1.2

programmable

output over

current limit

I_SC

VI = 5V, OUT connected

to GND, device enabled

into short circuit

Short circuit

current limit

1.2 I_LIM

1110

1.5 I_LIM

_LIM/I_SET

I_O= 500 mA

V_O> 1.6 V

I_LIMto I_SETcurrent

ratio

970

1300

0.8

V_IL

ON input low level

voltage

V_I= 2.7 to 5.5 V

V_IH

V_I= 2.7 to 3.6 V

V_I= 2.7 to 5.5 V

2.0

2.4

ON input high

level voltage

I_I

ON input leakage

current

V_I= 5.5 V

μA

V_SET= 1.24 V

I_O= 0_A

I_SETbias I_SETbias current

0.5

V_I= V_O

I_SINK= 1 mA

FAULT output low

voltage

V_OL

0.15

= 1.4 V

SET

= 5.5 V

FAULT output high

voltage

FAULT

= 1 V

I_OH

μA

°C

SET

Thermal

T_PROT

130

protection

Thermal

T_HYST

hysteresis

1. V_IN= 3 V, T_A= T_MINto T_MAX, unless otherwise specified. Typical values are at T_A= 25°C

7/20

1...4 5 678 9 10...20

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