CAT6221-JGTD-G datasheet(1/11 Pages) CATALYST

Part #	CAT6221-JGTD-G

Description	300mA CMOS Dual LDO Regulator

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Manufacturer	CATALYST [Catalyst Semiconductor]

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CAT6221

1

Doc. No. MD-10001 Rev. A

Characteristics subject to change without notice

300mA CMOS Dual LDO Regulator

FEATURES

Two outputs with guaranteed 300mA peak

output current

Low dropout voltages of 210mV typical at

300mA

Stable with ceramic output capacitors

Independent enable pins

Under voltage lockout

No-load ground current of 100μA typical

Full-load ground current of 160μA typical

±1.0% output voltage initial accuracy

±2.0% accuracy over temperature

“Zero” current shutdown mode

Fold-back current limit and thermal protection

TSOT-23 6-lead, 0.8mm height package

APPLICATIONS

Cellular phones

Battery-powered devices

Consumer Electronics

For Ordering Information details, see page 1

0.

DESCRIPTION

The 300mA CMOS Dual LDO CAT6221 combines in a

single TSOT-23 6-lead package two low dropout

regulators (LDO), each with its own enable pin.

The regulator outputs drive loads up to 300mA. By

design, the dual LDO provides fast response time

during load current and line voltage changes.

Each LDO is optimized for low noise and high

crosstalk isolation. With zero shut down current and a

low quiescent current of 100μA, the dual LDO is ideal

for battery-operated devices with supply voltage from

2.3V to 5.5V.

The dual LDO offers 1% initial accuracy and very low

dropout voltage, typical 210mV at 300mA. Stable

operation is provided with small 1μF ceramic output

capacitors, reducing required board space and

component cost.

Other features include fold-back current limit and

thermal protection.

The dual LDO is available in the tiny 6-lead TSOT-23

package with a maximum height of 0.8mm.

PIN CONFIGURATION

6-Lead TSOT-23

(0.8mm height)

Top View

TYPICAL APPLICATION CIRCUIT

VOUT1

CAT4201

EN2

2

3

1

VOUT2

GND

6

5

4

EN1

VIN

OFF

VIN

1µF

2.3V to 5.5V

CIN

VOUT1

1µF

COUT1

1µF

COUT2

VOUT2

GND

CAT6221

VIN

VOUT1

ON

VOUT2

EN1

OFF ON

EN2

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CAT6221-JGTD-G Datasheet(PDF) 1 Page - Catalyst Semiconductor

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