RT6296A 参数 Datasheet PDF下载

RT6296A

Absolute Maximum Ratings





(Note 1)

Supply Input Voltage, VIN

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

0.3V

to 20V

Switch Voltage, SW

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

0.3V

to V

IN

+ 0.3V

<20ns

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

5V

BOOT to SW, V

BOOT – SW

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

0.3V

to 6V (7V for < 10s)

Bias Supply Output, PVCC----------------------------------------------------------------------------------

0.3V

to 6V (7V for < 10s)

Other Pins---------------------------------------------------------------------------------------------------------

0.3V

to 6V

Power Dissipation, P

D

@ T

A

= 25C

TSOT-23-8 (FC)

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

1.428W











Package Thermal Resistance

(Note 2)

TSOT-23-8 (FC),



JA

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

70C/W

TSOT-23-8 (FC),



JC

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

15C/W









Lead Temperature (Soldering, 10 sec.)

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

260C

Junction Temperature

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

40C

to 150C

Storage Temperature Range

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

65C

to 150C

ESD Susceptibility

(Note 3)

HBM (Human Body Model)

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

2kV

Recommended Operating Conditions







(Note 4)

Supply Input Voltage, VIN ----------------------------------------------------------------------------- 4.5V to 17V

Junction Temperature Range

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

40C

to 125C

Ambient Temperature Range

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

40C

to 85C

Electrical Characteristics

(V

IN

= 12V, T

A

= 25C, unless otherwise specified)

Parameter

Shutdown Supply Current

Quiescent Current with no Load

at DCDC Output

Feedback Voltage

Feedback Current

Switch

On-Resistance

Switch Leakage

Current Limit

Low-Side Switch Current Limit

Oscillation Frequency

SYNC Frequency Range

Fold-Back Frequency

Maximum Duty-Cycle

High-Side

Low-Side

Symbol

Test Conditions

V

EN

= 0V

V

EN

= 2V, V

FB

= 1V, AAM = 0.5V

Min

--

--

0.799

Typ

--

0.8

0.807

10

100

40

--

4

2

500

--

125

95

Max

1

1

0.815

50

--

--

1

4.6

--

580

2000

--

--

Unit

A

mA

V

nA

m

A

A

A

kHz

kHz

kHz

%

V

FB

I

FB

R

DS(ON)H

R

DS(ON)L

V

EN

= 0V, V

SW

= 0V

I

LIM

Under 40% duty-cycle

From drain to source

f

OSC

f

SYNC

V

FB

< 400mV

D

MAX

V

FB

= 0.7V

V

FB

= 0.75V

V

FB

= 820mV

--

--

--

--

3

--

440

200

--

90

Copyright © 2018 Richtek Technology Corporation. All rights reserved.

is a registered trademark of Richtek Technology Corporation.

DS6296A-04

January 2018

www.richtek.com

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