RT9014 查看數據表（PDF） - Richtek Technology

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产品描述 (功能)

生产厂家

RT9014

Ultra Low Noise 300mA Dual LDO Regulator with POR, NMOS Driver and Requiring No Bypass Capacitor

Richtek Technology 

RT9014/A

Typical Application Circuit

Preliminary

100K

VIN

CIN

1uF Chip Enable

DRV Enable

100k

VIN

POR

DRV

EN RT9014

VOUT1

SW

SET

VOUT2

GND

CDELAY

COUT1

1uF

COUT2

1uF

VOUT1

VOUT2

100K

VIN

CIN

1uF

DRV Enable

VIN

POR

Chip Enable

EN1

DRV

RT9014A

EN2

VOUT1

SW

100k

SET

CDELAY

VOUT2

GND

COUT1

1uF

COUT2

1uF

VOUT1

VOUT2

Functional Pin Description

Pin No.

RT9014-□□PQW RT9014A-□□

Pin

Pin Function

Name

1

1

VIN Supply Input.

2

--

EN

Chip Enable (Active High).

--

2

EN1 Chip Enable 1 (Active High).

--

3

EN2 Chip Enable 2 (Active High).

3

--

NC

No Internal Connection Pin.

Active high signal drives open-drain N-MOSFET.

Note that this pin is high impedance. There should be a pull low

4

4

SW

100kΩ resistor connected to GND when the control signal is

floating.

Delay Set Input: Connect external capacitor to GND to set the

5

5

SET internal delay for the POR output. When left open, there is no

delay. This pin cannot be grounded.

6

6

GND Common Ground.

7

7

DRV Open-Drain Output: Capable of sinking 150mA.

Power-On Reset Output: Open-drain output. Active low indicates

8

8

POR an output under-voltage condition on regulator 2.

9

9

VOUT2 Channel 2 Output Voltage

10

10

VOUT1 Channel 1 Output Voltage

The exposed pad must be soldered to a large PCB and

Exposed Pad (11) Exposed Pad (11) GND

connected to GND for maximum power dissipation.

Marking Information

For marking information, contact our sales representative directly or through a Richtek distributor located in your area,

otherwise visit our website for detail.

www.richtek.com

2

DS9014/A-08 August 2007

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