2

Mar16-06 Rev B

SP7648 Ultra-low Quiescent Current, High Efficiency Boost Regulator

© 2006 Sipex Corporation

Vo, GND, LX Current ....................................................................... 2A

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

PaRaMeTeR

Min

TYP

MaX UniTS

cOnDiTiOnS

2.7

-

4.5

V

After Startup

2.7

-

5.5

V

Under Voltage Lock-out/UVLO

0.5

0.61

0.7

V

4.6

5.0

5.4

V

Internal Feedback Divider

-



500

nA

-

250

750

nA

Efficiency

92

-

%

-

650

800

000

mA

600

mA

Output Current (Note 2)

-

800

-

mA

-

-

400

-

mA

-

-

200

-

mA

-

0.5

1.0

1.5

V*µs

2.0

3.5

5.0

V*µs

Enable Valid to Output Stable (Note 3)

-

300

500

µ

s

-

NMOS Switch Resistance

-

0.30

0.6

PMOS Switch Resistance

-

0.30

0.6

0.76

0.8

0.84

V

External feedback Flash = 0

0.266 0.288 0.310

V

External feedback Flash = 1

FB Input Current

-



00

nA

SHDN Input Voltage (Note 1)

-

-

0.5

V

2.0

-

-

SHDN Input Current

-



00

nA

LX Pin Leakage

-

-

3

µ

A

-

-

-

0.4

V

1.0

-

-

V

eLecTRicaL SPeciFicaTiOnS

otherwise noted. The denotes the specifications which apply over full operating temperature range -40ºC to +85°C, unless

otherwise specified.

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

ESD Rating ........................................................................ 1.5kV 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

note 1:SHDN must transition faster than 1V/100mS for proper operation.

note 2:Output Current I =

VOUT

2

note 3:Guaranteed by Design.