IP1203 查看數據表（PDF） - International Rectifier

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IP1203

Single Output Full Function Synchronous Buck Power Block

International Rectifier 

iP1203

All specifications @ 25°C (unless otherwise specified)

Absolute Maximum Ratings

Parameter

VIN

Feedback

Output Overvoltage Sense

PGOOD

Soft Start

SYNC

Output RMS Current

Symbol

Min

Typ

Max

Units Conditions

VIN

-0.3

–––

15

FB

-0.3

–––

6

FBS

-0.3

–––

6

V

-0.3

–––

15

SS

-0.3

–––

6

-0.3

–––

6

IoutVSW

–––

–––

15

A

See Fig.3

Block Temperature

TBLK

-10

–––

125

°C

Recommended Operating Conditions

Parameter

Input Voltage Range

Symbol

VIN

Output RMS Current

IoutVSW

Output Voltage Range

VOUT

Min

5.5

–––

–––

0.8

0.8

Typ

–––

–––

–––

–––

–––

Max

13.2

15

11

8.0

3.3

Units

V

Conditions

A

TPCB = TCASE = 90°C. See Fig.3

A

TPCB = 90°C, TCASE = no airflow, no

heatsink.

V

For VIN = 12V

For VIN = 5.5V

Electrical Specifications @ VIN = 12V

Parameter

Power Loss

Symbol

PLOSS

Over Current Shutdown

HICCUP Duty Cycle

Soft Start Time

Reference Voltage

VOUT Accuracy

Error Amplifier

Source/Sink Current

Error Amplifier

Transconductance

Output Overvoltage Shutdown

Threshold

PGOOD Trip Threshold

PGOOD Output Low Voltage

IOC

DHICCUP

tSS

VREF

VOUT_ACC1

VOUT_ACC2

IERR

gm

OVP

VTh_PGOOD

VLO_PGOOD

Min

–––

–––

–––

–––

–––

-3

-2

–––

Typ

3.75

25

5

5

0.8

–––

–––

60

Max

4.9

–––

–––

–––

–––

3

2

–––

Units

W

A

Conditions

fSW = 300kHz, VIN = 12V, TBLK= 25°C

VOUT = 1.5V, IOUT = 15A, See Fig.10

VIN = 12V, VOUT = 1.5V

fSW = 300KHz, ROCSET = 40.2kΩ

%

ms

VIN = 12V, VOUT = 1.5V,

CSS=0.1µF

V

TBLK = -10°C to 125°C

%

VIN= 12V, VOUT = 1.5V

TBLK = 0°C to 70°C

VIN= 12V, VOUT = 1.5V

µA

–––

2000

–––

µmho

1.1 x VOUT 1.15 x VOUT 1.2 x VOUT

V

––– 0.85 x VOUT –––

–––

–––

0.3

V

FB ramping down

V

ISINK=2mA

2

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