2

Jun26-07 Rev D

Micro Power Boost Regulator Series White LED Driver

© 2007 Sipex Corporation

V

SW Voltage .............................................. -0.4 to 3

0V

FB Voltage ......................................................... 2.5V

All other pins ................................... -0.3 to V

Current into FB ................................................. ±1mA

T

Operating Temperature Range ............ -40°C to 85°C

Peak Output Current < 10us SW .................... 500mA

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

Power Dissipation. ......................................... 200mW

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.

PIN DESCRIPTION

ELECTRICAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

denotes the specifications which apply over the full operating

temperature range, unless otherwise specified.

PIN NUMBER

PIN NAME

8 PIN DFN DESCRIPTION

1

NC

No connect.

2

FB

Feedback.

3

NC

No connect.

3

SW

Switch input to the internal power switch

5

GND

Ground

6

Input Voltage. Bypass this pin with a capacitor as close to the device

as possible.

7

SHDN

Shutdown. Pull high (on) to enable. Pull low (off) for shutdown.

8

NC

No connect.

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

CONDITIONS

Input Voltage

1.0

13.5

V

Supply Current

20

30

µA

No Switching

0.01

1

µA

SHDN = 0V (off)

Reference Voltage

1.17

1.22

1.27

V

FB Hysteresis

HYST

8

mV

15

80

nA

Line Regulation

0.1

0.3

%/V

Switch Off Time

250

nS

Switch Saturation Voltage

170

450

mV

Switch Current Limit

325

450

575

mA

SHDN Bias Current

5

12

µA

SHDN High Threshold (on)

0.9

V

SHDN Low Threshold (off)

0.25

V

Switch Leakage Current

0.01

5

µA