3

Date: 2/16/06

SP6134 Dual Supply, Synchronous Buck Controller

© Copyright 2006 Sipex Corporation

PARAMETER

MIN

TYP

MAX

UNITS

♦

CONDITIONS

TIMERS: SOFTSTART

SS Charge Current:

10

µA

SS Discharge Current:

1

mA

♦

Fault Present, SS = 0.2V

PROTECTION: SHORT CIRCUIT & THERMAL

Short Circuit Threshold Voltage

0.2

0.25

0.3

V

♦

Hiccup Timeout

100

ms

Number of Allowable Clock Cycles

20

Cycles

at 100% Duty Cycle

Minimum GL Pulse After 20 Cycles

0.5

Cycles

Thermal Shutdown Temperature

145

°C

Thermal Recovery Temperature

135

°C

Thermal Hysteresis

10

°C

OUTPUT: NFET GATE DRIVERS

GH & GL Rise Times

35

50

ns

♦

Measured 10% to 90%

GH & GL Fall Times

30

40

ns

♦

Measured 90% to 10%

GL to GH Non Overlap Time

45

70

ns

♦

GH & GL Measured at 2.0V

SWN to GL Non Overlap Time

20

30

ns

♦

Measured SWN = 100mV to GL = 2.0V

GH & GL Pull Down Resistance

50

KΩ

Resistor Pull-Down

Driver Pull Down Resistance

1.5

1.9

Ω

♦

Note 1

Driver Pull Up Resistance

2.5

3.0

Ω

♦

Note 1

ELECTRICAL SPECIFICATIONS: Continued

apply over the full operating temperature range, unless otherwise specified.

Note 1: Gauranteed by design, not 100% tested.