TSM007

Block Diagram

2/12

1

Block Diagram

PIN DESCRIPTION

Gnd

Vin

Out

Comp

SS

CT

Vref

CS

Vin

Vref_Status

Standby

Brnout

Internal UVLO

725µA

CT

R

S

Q

!Q

Cs_Latch

R

S

Q

!Q

Start up_Latch

Css

28V

Soft start

Comp_Osc

10µA

4mA

Vref

400µA

1mA

Vref

R

2R

Comp_Cs

1V

Vin

Brown_Out

50µA

2

1

3

4

8

5

6

7

LEB

Name

Pin

Type

Function

COMP

1

Analog input

Current comparator for current mode control.

BRNOUT

2

Analog input

Undervoltage.

CS

3

Analog input

Current sense.

CT

4

Timing capacitor

Sets the oscillator frequency.

GND

5

Power supply

Signal ground.

OUT

6

Analog output

Totem pole output to direct drive a power MOSFET.

VIN

7

Power supply

Supply input voltage.

SS

8

Timing capacitor

Soft start.