ILC6391 查看數據表（PDF） - Fairchild Semiconductor

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ILC6391

SOT-89 Step-Up PFM Switcher with Auto-Load Sense

Fairchild Semiconductor 

Pin Assignments

L

V

X

SS

5

4

SOT-25

(TOP VIEW)

1

2

3

CE

VDD

N/C

ILC6390CM

V

L

SS

X

5

4

SOT-89-5

(TOP VIEW)

1

2

3

N/C

VOUT

CE

ILC6390CP

Internal Block Diagram

LX

V SS

EXT

VLX LIMITER

BUFFER

2-STEP PFM

CONTROLLED OSC

100/155kHz

CE

CHIP ENABLE

L

V

X

SS

5

4

SOT-25

(TOP VIEW)

1

2

3

CE

VDD

N/C

ILC6391CM

V

L

SS

X

5

4

SOT-89-5

(TOP VIEW)

1

2

3

N/C

V

CE

OUT

ILC6391CP

V

DD

VREF

+

-

+

- 4~5mV

V

OUT

ILC6390/91

Absolute Maximum Ratings ( A = 25°C)

Parameter

VOUT Input Voltage

Voltage on pin LX

Current on pin LX

Voltage on pin EXT

Current on pin EXT

CE Input Voltage

VDD Input Voltage

Continuous Total Power Dissipation

Operating Ambient Temperature

Storage Temperature

Symbol

VOUT

VLX

ILX

VEXT

IEXT

VCE

VDD

PD (SOT-25)

PD(SOT-89)

Topr

Tstg

Ratings

12

12

400

VSS-0.3~VOUT

+0.3

±50

12

12

150

500

-30~+80

-40~+125

Units

V

V

mA

V

mA

V

V

mW

°C

°C

©2001 Fairchild Semiconductor Corporation

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