1

Rev.1.2

19 -

http://www.elm-tech.com

■General description

■Features

■Application

• Cell phones

• Battery operated devices

• Wireless devices

• Portable AV equipments

■Maximum absolute ratings

ELM87xxxxA is CMOS voltage regulator which is characterized with low current consumption and low

dropout. ELM87 series provides high output current of 300mA while the consumption current is comparatively

low, which is Typ.1.0μA. There are 2 types of CE selection for ELM87 series: non-chip enable function and “H”

active. The standard output voltages are 1.8V, 2.5V, 3.0V, 3.3V, 5.0V; ELM87 series can also be designed as a

semi-custom IC within the range of 1.5V to 5.0V by 0.1V step. Thermal shutdown protection and short-circuit

current limiter are included in the IC. Ceramic condenser with low ESR can be used as input and output ones.

• Output voltage range

: 1.5V to 5.0V (by 0.1V)

• Output current

: Min.200mA(1.5V to 3.9V)

Min.300mA(4.0V to 5.0V)

• Current consumption

: Typ.1.0μA

• Standby current consumption : Typ.0.1μA

• Input stability

: Typ.0.05%/V

• Load stability

: Typ.10mV(1mA≤Iout≤100mA)

• Accuracy of output voltage

: ±2.0%

• Input-output voltage difference : Typ.125mV(Vout=3.0V, Iout=100mA)

• Short circuit current limiter

: Typ.50mA(Vout=0V)

• Thermal shutdown protection : Typ.160°C

• Chip enable pin

: “H” active (ELM87xx3xA)

• Package

: SOT-89, SOT-89-5

SOT-23, SOT-25

SC-70-5(SOT-353)

Parameter

Symbol

Limit

Unit

Input voltage

Vin

Vss-0.3 to 7.0

V

CE Input voltage

Vce

Vss-0.3 to Vin+0.3

V

Output voltage

Vout

Vss-0.3 to Vin+0.3

V

Output current

Iout

600

mA

Power dissipation

Pd

500 (SOT-89)

mW

500 (SOT-89-5)

250 (SOT-23, SOT-25)

150 (SC-70-5)(SOT-353)

Operationg Temperature

Top

-40 to +85

°C

Storage Temperature

Tstg

-55 to +125

°C