TSM108 データシートの表示（PDF） - STMicroelectronics

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TSM108

VOLTAGE AND CURRENT STEPDOWN PWM CONTROLLER

STMicroelectronics 

TSM108

PIN DESCRIPTION

Name

VCC

!STBY

GND

UV

OV

G

OSC

VCOMP

ICOMP

VREF

VCTRL

ICTRL

VS

GD

Pin

Description

1

Supply voltage of both the signal part and the gate drive

2

Standby Command; when Low, the device goes in standby

3

Ground. Current return for both the gate drive and quiescent currents

4

Programmable Under Voltage Lockout. Preset value is 8V min

5

Programmable Over Voltage Lockout. Preset value is 33V max

6

Internally Connected to Ground

7

Oscillator pin to set operating frequency via external capacitor

8

Error amplifier output of voltage loop

9

Error amplifier output of current loop

10

2,52V Voltage Reference

11

Error amplifier of voltage loop, non inverting

12

Error amplifier of current loop inverting input

13

Current sense Input

14

Totem pole gate driver for external P-channel MOSFET

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

VCC

Tj

Rthja

Tstg

Vmax

Supply Voltage - Transient conditions (400ms max.)

Maximum Junction Temperature

Thermal Resistance Junction to Ambient (SO package)

Storage Temperature

Out Terminal Voltage (ICTRL, VS)

Value

60

150

130

-55 to +125

10

OPERATING CONDITIONS

Symbol

Parameter

VCC

Vter1

Vter2

Supply Voltage

Out Terminal Voltage (ICTRL, VS)

Out Terminal Voltage (UV, OV, OSC)

Value

UVLO to OVLO

0 to 9

0 to 6

Unit

V

°C

°C/W

°C

V

Unit

V

V

V

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