5

FP6329/A/B-1.0-APR-2010

FP6329/A

85T

fitipower integrated technology lnc.

Electrical Characteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

INPUT

VCC rising

3.9

4.1

4.3

V

UVLO Hysteresis

VCC falling

0.45

V

Quiescent Current

UGATE and LGATE open

5

mA

ERROR AMPLIFIER

Feedback Voltage

0.591

0.6

0.609

V

FB Input Bias Current

0.1

µA

Open Loop DC gain (Note2)

88

dB

Open Loop Bandwidth (Note2)

BW

15

MHz

Slew Rate (Note2)

SR

9

V/μs

OSCILLATOR

Frequency

FP6329

270

300

330

kHz

FP6329A

540

600

660

Ramp Amplitude (Note2)

1.5

Vp-p

GATE DRIVERS

Upper Gate Source Current

(Note2)

2.6

A

Upper Gate Sink Impedance

1.6

Ω

Lower Gate Source Current

(Note2)

4.9

A

Lower Gate Sink Impedance

1.25

Ω

Dead Time (Note2)

100

ns

PROTECTION

FB Under-Voltage Trip

FB falling

40

50

60

%

FB Over-Voltage Trip

125

%

OCSET Current Source

19.5

21.5

23.5

µA

Disable Threshold

COMP/SD falling

0.3

0.4

0.5

V

Note 2：The specification is guaranteed by design, not production tested.