IP1202PBF datasheet(3/29 Pages) IRF

部件名	IP1202PBF

功能描述	Dual Output Full Function 2 Phase Synchronous Buck Power Block Integrated Power Semiconductors, PWM Control & Passives

PDF	29 Pages

Scroll/Zoom	100%

制造商	IRF [International Rectifier]

网页	http://www.irf.com

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iP1202PbF

Electrical Specifications (continued)

Note 1: Guaranteed to meet specifications from T

BLK = 0°C to 90°C. Specifications outside of this tempera-

ture range are guaranteed by design, and not production tested.

Parameter

Symbol

Min

Typ

Max

Units

Conditions

170

230

kHz

RT = 48.7kΩ

( See Fig.9 for

Frequency

fSW

255

345

kHz

RT = 30.9kΩ

RT selection )

340

460

kHz

RT = 21.5kΩ

Oscillator Ramp Voltage

Vramp

-1.25

SYNC Frequency Range

fSYNC

480

800

kHz

Free running frequency

set 20% below sync frequency

SYNC Pulse Duration

tSYNC

-200

SYNC, HICCUP High Level

Threshold Voltage

SYNC, HICCUP Low Level

Threshold Voltage

0.8

VIN Quiescent Current

IIN-LEAKAGE

-15

VIN = 12V, ENABLE high

Thermal Shutdown

Tempshdn

-140

°C

Max Duty Cycle

DMAX

fSW= 200kHz, TBLK = 25°C

ENABLE Threshold Voltage

VEN-LO

Measured between VIN and ENABLE

VIN Turn On Threshold Voltage

VON_th

-4.8

Measured at start of soft start, ENABLE

pulled low, VIN ramping up

VIN Turn Off Threshold Voltage

VOFF_th

-4.3

Measured at fall of soft start, ENABLE

pulled low, VIN ramping down

Output Disable Voltage Soft

Start Low Threshold Voltage

VSS-DIS

0.25

SS1 / SS2 Pins Pulled Low

IP1202PBF 数据表(PDF) 3 Page - International Rectifier

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