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ISL9014

Dual LDO with Low Noise, Low IQ and High PSRR

Intersil 

ISL9014

Pin Description

PIN

NUMBER

1

PIN

NAME

VIN

TYPE

Analog I/O

2

EN1 Low Voltage Compatible

CMOS Input

3

EN2 Low Voltage Compatible

CMOS Input

4

CBYP Analog I/O

5, 7, 8

6

9

10

NC

GND

VO2

NC

Ground

Analog I/O

VO1 Analog I/O

Typical Application

Supply Voltage/LDO Input:

Connect a 1µF capacitor to GND.

LDO-1 Enable.

DESCRIPTION

LDO-2 Enable.

Reference Bypass Capacitor Pin:

Optionally connect capacitor of value 0.01µF to 1µF between this pin and GND to tune in the

desired noise and PSRR performance.

No Connection

GND is the connection to system ground. Connect to PCB Ground plane.

LDO-2 Output:

Connect capacitor of value 1µF to 10µF to GND (1µF recommended).

LDO-1 Output:

Connect capacitor of value 1µF to 10µF to GND (1µF recommended).

VIN (2.3V TO 6.5V)

ON

ENABLE 1

OFF ON

ENABLE 2

OFF

C1 C2

ISL9014

1

VIN

10

VO1

2

EN1

9

VO2

3

EN2

4

CBYP

8

NC

7

NC

5

NC

6

GND

C3 C4

VOUT 1

VOUT 2

C1, C3, C4: 1µF X5R CERAMIC CAPACITOR

C2: 0.1µF X5R CERAMIC CAPACITOR

8

FN9245.3

March 11, 2008

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