2

Rev. 5/26/05,

*Patent Pending

SP6641A/6641B 500mA Alkaline DC/DC Boost Regulator in SOT-23

© Copyright 2002 Sipex Corporation

ABSOLUTE MAXIMUM RATINGS

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.

ELECTRICAL SPECIFICATIONS

unless otherwise noted.

LX Current .......................................................... 1.5A

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

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

Lead Temperature (Soldering, 10 sec) .......... 300 °C

PARAMETER

MIN

TYP

MAX

UNITS

CONDITIONS

Input Voltage Operating Range,

0.5

4.5

V

after startup

0.85

0.90

V

1.00

V

3.16

3.30

3.44

V

4.80

5.00

5.20

V

15

250

500

nA

500

nA

100

nA

Inductor Current Limit

280

330

380

mA

(SP6641A)

Inductor Current Limit

850

1000

1150

mA

(SP6641B)

Output Current (SP6641AEK-3.3)

90

mA

190

mA

Output Current (SP6641BEK-3.3)

200

mA

500

mA

Output Current (SP6641AEK-5.0)

100

mA

175

mA

Output Current (SP6641BEK-5.0)

275

mA

500

mA

Minimum Off-Time Constant

1.50

NMOS Switch Resistance

0.3

0.75

Ω

Inmos=100mA

SHDN Input Voltage

Vil

20

%

Vih

80

%

SHDN Input Current

1

100

nA