µPC29S00 Series

2

Data Sheet G12905EJ4V0DS00

BLOCK DIAGRAM

ON/OFF

control circuit

INPUT

OUTPUT

GND

ON/OFF

Start-up

circuit

Reference

voltage

Error

amp.

Drive

circuit

Saturation

protection

Over current

protection

Thermal

shutdown

Parameter

Symbol

Rating

Unit

µPC29S78H, 29S78TA

µPC29S78GR, 29S10GR

Input Voltage

20

V

Internal Power Dissipation

1.2

0.48

W

Operating Ambient Temperature

–30 to +85

°C

Operating Junction Temperature

–30 to +150

°C

Storage Temperature

–55 to +150

°C

Thermal Resistance (Junction to Ambient)

104

260

°C/W

≤ 25°C, Internally limited

When operating junction temperature rises up to 150

°C, the internal circuit shutdown output voltage.

Caution Exposure to Absolute Maximum Ratings for extended periods may affect device reliability;

exceeding the ratings could cause permanent damage. The parameters apply independently. The

device should be operated within the limits specified under DC and AC Characteristics.