Microsemi

Integrated Products Division

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

Page 2

Copyright

© 2000

Rev. 1.0e, 2005-03-03

LX1882

Charge Pump Doubler with Linear Regulator

I N T E GRA T ED

PR ODUC T S

ABSOLUTE MAXI MUM RATI NGS

CPO to Ground........................................................................................................... 10V

SHDN , FILT, FB Voltage to Ground........................................... -0.3V to (VIN + 0.3V)

Operating Temperature Range

Commercial....................................................................................................0°C to 70°C

Storage Temperature ................................................................................ -65°C to 150°C

Maximum Junction Temperature ............................................................................125°C

Pb-free / RoHS Peak package Solder Reflow Temp. (40 second max. exposure)........260°C (+0, -5)

Note: Exceeding these ratings could cause damage to the device. All voltages are with respect to

Ground. Currents are positive into, negative out of specified terminal.

TH ERM A L DATA

DM

Plastic 8-Pin SOIC

θ

JA

163°C/W

38°C/W

DU

Plastic 8-Pin MSOP

θ

JA

206°C/W

39°C/W

system. All of the above assume no ambient airflow.

PACKAGE PI N OUT

V

OUT

SHDN

FB

GND

V

IN

CPO

1

2

3

4

5

6

7

8

_______

(Top View)

CPO

FB

V

IN

V

OUT

GND

SHDN

1

2

3

4

5

6

7

8

______

(Top View)

RoHS / Pb-free 100% Matte Tin Lead Finish

FUNCTIONAL PIN DESCRIPTION

1

to the pin as possible for best performance. For the adjustable version, the output voltage range is 2.5V to 5.5V.

SHDN

2

Shutdown Pin. The LX1882 is in shutdown mode when a logic low is applied to this pin. Inversely, a logic high

FB

3

between FB and GND (see figure 3 on page 6).

FILT

3

Fixed Version Only. Filter pin for internal voltage reference. Typically a 1nF capacitor is connected from FILT to

GND.

GND

4

System Ground.

5

Flying Capacitor Negative Input.

6

Input Voltage. The input voltage range is 1.8V to 4.4V for the LX1882-00 and 2V to 4.4V for the LX1882-33.

performance. A minimum capacitance value of 0.1µF is required.

7

Flying Capacitor Positive Input.

CPO

8

ESR capacitor (>2µF).