Approximate internal connection circuit

Absolute Maximum Ratings

Supply Voltage ............................... –0.3V to 12V

Operating Temperature................... 0

°C to 70°C

Storage Temperature................. –50

°C to 125°C

Electrical Characteristics

(Ta=25

°C)

Symbol

Parameter

Test Condition

Min.

Type

Max.

Unit

Condition

Operating Voltage

—

—

4

7

10

V

Operating Current

7V

*

—

200

400

µA

OPT1, OPT2 Input

High Current

7V

—

40

80

µA

TRIG1 Sink Current

7V

0.4

0.7

—

mA

TRIG1 Drive Current

7V

–8

–14

—

mA

TRIG2 Sink Current

7V

6

11

—

mA

TRIG2 Drive Current

7V

–1

–2

—

mA

Input High Voltage

—

—

——

V

Input Low Voltage

—

—

—

—

V

Operating Frequency

7V

Ω

—400

—

KHz

* The test conditions are shown below:

a. ZC is supplied by 60Hz/7V sinwave via 100K

Ω.

b. FB is connected to VSS and SENSE, FSEL to VDD.

HT7704

3

27th Dec ’96