2

Date: /5/06

SP7650 Wide Input Voltage Range 3A, 300kHz, Buck Regulator

© Copyright 2006 Sipex Corporation

2

Date: 2/16/06

SP7650 Wide Input Voltage Range 3A, 300kHz, Buck Regulator

© Copyright 2006 Sipex Corporation

ELECTRICAL SPECIFICATIONS

specifications which apply over the full temperature range, unless otherwise specified.

BST ............................................................................................... 35V

LX-BST ............................................................................. -0.3V to 7V

LX ....................................................................................... -1V to 30V

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

Power Dissipation ...................................... Internally Limited via OTP

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

ABSOLUTE MAXIMUM RATINGS

PARAMETER

MIN.

TYP.

MAX.

UNITS

CONDITIONS

QUIESCENT CURRENT

V

CC

Supply Current (No switching)

1.5

3

mA

V

CC

Supply Current (switching)

4

6

mA

BST Supply Current (No switching)

0.2

0.4

mA

BST Supply Current (switching)

4

4

6

mA

PROTECTION: UVLO

V

CC

UVLO Start Threshold

4.00

4.25

4.5

V

V

100

200

300

mV

2.3

2.5

2.65

V

200

300

400

mV

1

µA

ERROR AMPLIFIER REFERENCE

Error Amplifier Reference

0.792

0.800

0.808

V

2X Gain Config., Measure

Error Amplifier Reference

Over Line and Temperature

0.788

0.800

0.812

V

Error Amplifier Transconductance

6

mA/V

Error Amplifier Gain

60

dB

No Load

COMP Sink Current

150

µA

COMP Source Current

150

µA

50

200

nA

Internal Pole

4

MHz

COMP Clamp

2.5

V

COMP Clamp Temp. Coefficient

-2

mV/˚C

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.