RT6253B 参数 Datasheet PDF下载

RT6253A/B

Absolute Maximum Ratings







(Note 1)

Supply Input Voltage, VIN ------------------------------------------------------------------------------

0.3V

to 20V

Enable Voltage, EN --------------------------------------------------------------------------------------

0.3V

to 20V

Switch Voltage, SW --------------------------------------------------------------------------------------

0.3V

to 20.3V

< 100ns -----------------------------------------------------------------------------------------------------

5V

to 25V

BOOT Voltage , BOOT----------------------------------------------------------------------------------

–

0.3V to 26V

BOOT to SW, V

BOOT

V

SW

---------------------------------------------------------------------------

0.3V

to 6V

Feedback Voltage, FB ----------------------------------------------------------------------------------

0.3V

to 6V

Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------

260C

Junction Temperature -----------------------------------------------------------------------------------

150C

Storage Temperature Range --------------------------------------------------------------------------

65C

to 150C

Power Dissipation, P

D

@ T

A

= 25C

TSOT-23-6 (FC) ------------------------------------------------------------------------------------------

1.64W

SOT-563 (FC) ---------------------------------------------------------------------------------------------

1.25W















ESD Ratings



ESD Susceptibility

(Note 2)

HBM (Human Body Model) ----------------------------------------------------------------------------

2kV

Recommended Operating Conditions





(Note 3)

Supply Input Voltage ------------------------------------------------------------------------------------

4.5V

to 17V

Junction Temperature Range -------------------------------------------------------------------------

40C

to 125C

(Note 4 and Note 5)

TSOT-23-6 (FC)

88.7

76.9

6

61

13.9

31.53

SOT-563 (FC)

104.3

62.1

8.4

80.6

6.7

45.17

Unit

C/W

C/W

C/W

C/W

C/W

C/W

Thermal Information



JA



JC(Top)



JC(Bottom)



JA(EVB)



JC(Top)



JB

Thermal Parameter

Junction-to-ambient thermal resistance

(JEDEC standard)

Junction-to-case (top) thermal resistance

Junction-to-case (bottom) thermal resistance

Junction-to-ambient thermal resistance

(specific EVB)

Junction-to-top characterization parameter

Junction-to-board characterization parameter

Copyright © 2019 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

DS6253A/B-01

September

2019

www.richtek.com

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