TJ1052 参数 Datasheet PDF下载

CONSTANT VOLTAGE & CONSTANT CURRENT CONTROLLER

TYPICAL APPLICATION CIRCUIT

TJ1052

TJ1052

1.210 V

+

+

V

CC

6

3

OUT

R1

R

led

R

VC

1

C

VC

1

1

V

CTRL

C

IC

1

2

GND

R

IC

1

V

OUT

-

+

200mV

-

5

V

SENSE

R

IC

2

R

SENSE

I

OUT

4

I

CTRL

R2

Fig 1. Typical Adaptor or Battery Charger Application Using TJ1052

In the above application schematic, the device is used on the secondary side of a flyback adaptor (or battery

charger) to provide an accurate control of voltage and current. The above feedback loop is made with an

optocoupler.

Jul. 2010 – Preliminary

-4-

HTC