FP6326 Ver la hoja de datos (PDF) - Unspecified

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FP6326

Synchronous Buck PWM DC-DC Controller

Unspecified 

fitipower integrated technology lnc.

FP6326/A

Electrical Characteristics

(VCC=12V, TA=25°C, unless otherwise specified)

Parameter

Symbol Conditions

INPUT

VCC Under Voltage Lockout

UVLO Hysteresis

Quiescent Current

ERROR AMPLIFIER

VUVLO

ICC

VCC rising

VCC falling

UGATE and LGATE open

Feedback Voltage

FB Input Bias Current

Open Loop DC Gain

(Note2)

OSCILLATOR

VFB

IFB

VFB=1V

AO

Frequency

Frequency

Ramp Amplitude

GATE DRIVERS

FOSC

FOSC

△VOSC

VCC=12V FP6326

VCC=12V FP6326A

VCC=12V

Upper Gate Source

Upper Gate Sink

Lower Gate Source

Lower Gate Sink

Dead Time (Note2)

PROTECTION

IUGATE

RUGATE

ILGATE

RLGATE

TDT

VBOOT-VPHASE=12V, VUGATE-VPHASE=6V

VBOOT-VPHASE=12V, VUGATE-VPHASE=1V

VCC=12V, VLGATE =6V

VCC=12V, VLGATE =1V

FB Under-Voltage Trip

FB Falling

FB Over-Voltage Trip

OCSET Current Source

Soft-Start Interval (Note2)

IOCSET

Tss

VPHASE=0V

Note2: Guarantee by design.

Min

3.7

0.784

250

500

0.6

0.6

70

35

2

Typ

Max

4.1

4.5

0.45

6

15

0.8

0.816

0.1

85

300

350

600

700

1.5

1

2

5

1

2

5

100

75

80

120

40

45

3.5

Unit

V

V

mA

V

µA

dB

kHz

kHz

Vp-p

A

Ω

A

Ω

ns

%

%

µA

ms

FP6326/A-1.1-JUL-2009

5

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