LX8610-33CDM datasheet(5/6 Pages) MICROSEMI

5 / 6 page

Microsemi

Linfinity Microelectronics Division

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

Page 5

Rev. 0.6f,2000-09-15

LX8610-xx

1A BiCMOS Very Low Dropout Regulators

PRELIMINARY DATASHEET

M I CROSEM I

COM P A N Y

LX8610-xx

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

LX8610-00 ADJUSTABLE OUTPUT,

Reference Voltage

VREF

TJ = 25

°C

1.23

1.22

1.27

Over Temperature

1.22

1.25

1.28

Line Regulation

VREG

VIN = VOUT + 150mV to 5.5V, IOUT = 10mA

Load Regulation

IREG

IOUT = 10mA to 1A

Short Circuit Current

ISC

VOUT = 0V

1.25

1.7

IOUT = 1A, VIN > 4V

0.25

0.4

IOUT = 0.5A, VIN > 3V

0.15

0.25

Dropout Voltage (VDO = VIN–VOUT)

VDO

IOUT = 10mA, VIN > 3V

0.05

0.15

Quiescent Current

IOUT = 10mA to 1A, VIN = 5.5V

400

600

µA

0V < VIN < VOUT, VOUT < 5.5V (at VOUT)

400

650

µA

Reverse Leakage Current

IREV

0V < VIN < VOUT, VOUT <5.5V (at VIN)

-50

Bias Current at ADJ Pin

IBIAS

100

Shutdown Threshold

VSD

0.8

(VIN / 2)

Shutdown Current

ISD

ENABLE < 0.8V

µA

* Note: Enable threshold and Shutdown Current apply only to 8-Pin SOIC package outline versions

LX 8 610 D r opout v s Load v s Tem p

100

150

200

250

300

350

0 .2 5

0 .5

0 .7 5

100

125

FIGURE 2 – Dropout Voltage Vs. Output Current (Typical – LX8610-25CST)

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