TS19375CSRLG datasheet(2/8 Pages) TSC

Nome de Peças	TS19375CSRLG

Descrição Electrónicos	PWM Step-Up Controller Oscillation frequency: 500kHz

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Fabricante Electrônico	TSC [Taiwan Semiconductor Company, Ltd]

Página de início	http://www.taiwansemi.com

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2 / 8 page

TS19375

PWM Step-Up Controller

2/8

Version: B11

Absolute Maximum Rating

Characteristics

Symbol

Rating

Unit

VCC Pin Voltage

VCC

VSS - 0.3 to VSS + 26

V

Feedback Pin Voltage

VFB

VSS - 0.3 to 12

V

EN Voltage

VEN

VSS - 0.3 to VCC

V

SENSE Voltage

VSENSE

VSS - 0.3 to VCC

V

SS Pin Voltage

VSS

VSS - 0.3 to VCC

V

Gate Pin Voltage

VGATE

VSS - 0.3 to VCC

V

Power Dissipation

PD

Internally limited

mW

Storage Temperature Range

TSTG

-40 to +150

ºC

Operating Junction Temperature Range

TOPJ

-20 to +125

ºC

Operating Supply Voltage

VOP

+3 to +24

V

Thermal Resistance from Junction to case

θ

JC

40

ºC/W

Thermal Resistance from Junction to ambient

θ

JA

120

ºC/W

Note: Stresses exceed those rating may damage the device

Electrical Specifications (TA=25

oC, V

IN=5V, VOUT=12V unless otherwise noted)

Characteristics

Symbol

Conditions

Min

Typ

Max Units

Feedback Voltage

VFB

IOUT=0.1A

0.975

1.000

1.025

V

Quiescent Current

ICCQ

VFB=1.5V force driver off

-

4

6

mA

Feedback Bias Current

IFB

IOUT=0.1A

-

0.1

0.5

uA

Shutdown Supply Current

ISD

VEN =0V

-

1

10

uA

Oscillation Frequency

FOSC

SW pin

400

500

600

KHz

Sense Voltage

VSENSE

0.05

0.06

0.07

V

Soft Start Current

ISS

VSS=0V

-

8

-

uA

EN Pin Logic input threshold voltage

VSH

High (regulator ON)

2.0

-

V

VSL

Low (regulator OFF)

-

0.8

EN Pin Input Current

ISH

VEN=2.5V (ON)

-

20

-

uA

ISL

VEN=0.3V (OFF)

-

-1

-

uA

LX Rise Time

TLXR

CLX=1000pF

-

60

-

nS

LX Fall Time

TLXF

CLX=1000pF

-

60

-

Efficiency

EFFI

VCC = 5V,

VOUT = 12V

IOUT = 1A

-

91

-

%

Maximum Duty Cycle

DCMAX

VFB=0V

-

85

-

%

Minimum Duty Cycle

DCMIN

VFB=1.5V

-

0

-

Thermal shutdown Temp

TSD

-

145

-

°C

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