2

Feb2-07 Rev O

SP7663 Wide Input Voltage Range 6A, 600kHz Buck Regulator

© 2007 Sipex Corporation

ELECTRICAL SPECIFICATIONS

BST................................................................................................ 30V

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

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

Storage Temperature................................................... -65°C to 50°C

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

Lead Temperature (Soldering, 0 sec) .......................................300°C

ESD Rating........................................................................... 2kVHBM

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

ofthespecificationsbelowisnotimplied.Exposuretoabsolutemaximumratingconditionsforextendedperiodsoftimemayaffectreliability.

PARAMETER

CONDITIONS

QUIESCENT CURRENT

(No switching)

.5

3.0

mA

♦

(switching)

8

20

mA

BST Supply Current

(No switching)

0.2

0.4

mA

♦

BST Supply Current

(switching)

3

6

mA

PROTECTION: UVLO

Vcc UVLO Start Threshold 4.00 4.25

4.50

V

♦

Vcc UVLO Hysteresis

00

200

300

mV

♦

UVIN Start Threshold

2.30 2.50

2.65

V

♦

UVIN Hysteresis

200

300

400

mV

♦

UVIN Input Current

.0

♦

UVIN=3.0V

ERROR AMPLIFIER REFERENCE

ErrorAmplifierReference 0.792 0.800 0.808

V

2XGainConfig.,Measure

ErrorAmplifier

Reference Over Line

0.784 0.800 0.86

V

♦

COMPSinkCurrent

70

50

230

COMPSourceCurrent

-230 -50

-70

50

200

nA

♦

COMPClamp

3.2

3.5

3.8

V

°C

COMPClampTemp.

Coefficient

-2.0

mV/

°C

VCC LINEAR REGULATOR

VCC Output Voltage

4.7

5.0

5.3

V

♦ V

iN

= 6 to 23V,

4.5

4.73

Dropout Voltage

250

500

750

mV

♦

Vin-Vout=Dropoutvoltagewhen

Vccregulateddropsby2%.

IVCC=30mA.