2

Date: 7/1

9/06 Rev D

SP6682 High Efficiency Charge Pump Regulator for White LEDs

© 2006 Sipex Corporation

PARAMETER

MIN

TYP

MAX UNITS

CONDITIONS

Input Voltage

2.7

5.5

V

Quiescent Current

1.2

3

mA

Shutdown Current

1.5

µ

A

Oscillator Frequency

0.42

0.60

0.78

MHz

0.275

0.306

0.337

V

Charge Pump Output

11

18

��

Resistance

1.15

1.25

1.35

V

Hysteresis for Mode Transition

30

Voltage

0.01

0.5

µ

A

EN/PWM Logic Low

0.4

V

EN/PWM Logic High

1.6

V

EN/PWM Pin Current

0.01

0.5

µ

A

FB Pin Current

0.5

µ

A

175

500

µ

s

ELECTRICAL CHARACTERISTICS

Power Dissipation per Package - 10-pin MSOP

(derate 8.84mW/°C above +70°C) ................. 720mW

Junction Temperature .................................... +125°C

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

ESD Rating. ................................................ 2kV HBM

These are stress ratings only and functional operation of

the device at these ratings or any other above those

indicated in the operation sections of the specifications

below is not implied. Exposure to absolute maximum

rating conditions for extended periods of time may affect

reliability.

ABSOLUTE MAXIMUM RATINGS

TYPICAL APPLICATION SCHEMATIC

CAMERA FLASH

APPLICATION

Rfb

1.5 Ohm

Iout=200mA for 1W LED

ENABLE/PWM

LEDA

C4

2.2uF

1W LED

C5

2.2uF

SP6682

Vout

1

C1P

2

C2N

7

EN/PWM

6

FB

5

Vmode

4

Vin

3

GND

8

C1N

9

C2P

10

Vin: 3.0-4.2V

C1

2.2uF

R3

1.0M

LEDK

VFB=300mV