RT6218A 参数 Datasheet PDF下载

RT6218A/B

Absolute Maximum Ratings





(Note 1)

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

0.3V

to 20V

Switch Node Voltage, LX ----------------------------------------------------------------------------

0.3V

to (V

IN

+ 0.3V)

< 50ns ----------------------------------------------------------------------------------------------------

5V

to 25V

BOOT Pin Voltage ------------------------------------------------------------------------------------

(V

LX

– 0.3V) to (V

IN

+ 6.3V)

BOOT to LX, V

BOOT

V

LX

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

–0.3V

to 6V

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

0.3V

to 6V

Power Dissipation, P

D

@ T

A

= 25C

TSOT-23-8 (FC) ---------------------------------------------------------------------------------------

1.667W











Package Thermal Resistance

(Note 2)

TSOT-23-8 (FC),



JA

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

60C/W

TSOT-23-8 (FC),



JC

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

8C/W









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

260C

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

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 ---------------------------------------------------------------------------------

4.5V

to 18V

Ambient Temperature Range-----------------------------------------------------------------------

40C

to 85C

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

40C

to 125C

Electrical Characteristics

(V

IN

= 12V, T

A

= 25C, unless otherwise specified)

Parameter

Supply Voltage

VIN Supply Input Operating

Voltage

Under-Voltage Lockout

Threshold

Under-Voltage Lockout

Threshold Hysteresis

Supply Current

Supply Current (Shutdown)

Supply Current (Quiescent)

Soft-Start

Soft-Start Internal Charging

Current

Symbol

Test Conditions

Min

Typ

Max

Unit

V

IN

V

UVLO

V

UVLO

4.5

--

--

--

3.7

300

18

--

--

V

V

mV

I

SHDN

I

Q

V

EN

= 0V

V

EN

= 2V, V

FB

= 0.85V

--

--

--

0.5

5

--

A

mA

t

SS

--

6

--

A

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6

DS6218A/B-01

October

2018