Datasheet > ELM89121BC-S_1

ELM89121BC-S_1

更新时间： 2024-10-30 11:46:03

品牌	Logo	应用领域
ELM-TECH		稳压器
页数	文件大小	规格书
20页	1860K
描述
CMOS 300mA LDO Voltage regulator

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数据手册

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ELM89121BC-S_1 数据手册

CMOS 300mA LDO Voltage regulator

ELM89xxxBC

■General description

ELM89xxxBC is CMOS LDO voltage regulator. There are 3 types of CE selection for ELM89 series: non-chip

enable function, “L”active and “H”active. Thermal shutdown protective function and short circuit current limiter

are included in the IC. The standard output voltages are 1.2V, 1.8.V, 2.5V, 3.0V, 3.3V, 5.0V; ELM89 series can

also be designed as semi-custom IC within the range of 0.8V to 5.0V by 0.1V step.

■Features

■Application

• Battery operated devices

• Wireless devices

• Cell phones

• Output voltage range

: 0.8V to 5.0V (by 0.1V)

: 300mA

• Output current

• Stand by current consumption : Typ.0.1μA

• Input stability

: Typ.0.02%/V(Iout=40mA)

• Battery-operated devices

• PCs

• Load stability

: Typ.5mV(1mA≤Iout≤100mA)

: ±2.0%(Vout>1.5V)

• Accuracy of output voltage

±30mV(Vout≤1.5V)

• Input-output voltage difference : Typ.350mV(Vout=3.0V, Iout=300mA)

• Short circuit current limiter : Typ.40mA(Vout=0V)

• Thermal shutdown protection : Typ.165°C

• Chip enable pin

: “L”active(ELM89xx2BC)

“H”active(ELM89xx3BC)

: SOT-23, SOT-25

• Package

■Maximum absolute ratings

Parameter

Symbol

Vin

Limit

Vss-0.3 to 7.0

Unit

Input voltage

Output voltage

Output current

Vce

Vout

Iout

Vss-0.3 to Vin+0.3

600

CE/CE

250 (SOT-23)

250 (SOT-25)

-40 to +85

Power dissipation

Operationg Temperature

Storage Temperature

Top

Tstg

°C

-55 to +125

■Selection guide

ELM89xxxBC-x

Symbol

e.g. :

12: Vout=1.2V

25: Vout=2.5V

33: Vout=3.3V

18: Vout=1.8V

30: Vout=3.0V

50: Vout=5.0V

a, b

Output voltage

ELM89 x x x B C - x

↑ ↑ ↑ ↑ ↑ ↑

1: No CE

a b c d e f

CE selection

2: CE=“L”active

3: CE=“H”active

B: SOT-23, SOT-25

Package

Product version

Taping direction

S, N: Refer to PKG file

20 - 1

12 3 4 5 6 7...20

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