UC1901
UC2901
UC3901
CONNECTION DIAGRAMS
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Reference Output Current . . . . . . . . . . . . . . . . . . . . . . . –10mA
Driver Output Currents . . . . . . . . . . . . . . . . . . . . . . . . . . –35mA
Status Indicator Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Status Indicator Current . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Ext. Clock Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Error Amplifier Inputs . . . . . . . . . . . . . . . . . . . . . –0.5V to +35V
Power Dissipation at TA = 25°C. . . . . . . . . . . . . . . . . . 1000mW
Power Dissipation at TC = 25°C . . . . . . . . . . . . . . . . . 2000mW
Operating Junction Temperature . . . . . . . . . . –55°C to +150°C
Storage Temperature . . . . . . . . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 seconds) . . . . . . . . . . 300°C
DIL-14, SOIC-14 (TOP VIEW)
J or N Package, D Package
Note 1: Voltages are referenced to ground, Pin 7. Currents are
positive into, negative out of the specified terminal.
Note 2: Consult Packaging section of Databook for thermal limi-
tations and considerations of package.
PLCC-20, LCC-20 (TOP VIEW)
Q, L Packages
SOIC-16 Wide (TOP VIEW)
DW Package
TEMPERATURE AND PACKAGE SELECTION
GUIDE
TEMPERATURE
RANGE
AVAILABLE
PACKAGES
UC1901
UC2901
UC3901
–55°C to +125°C
–40°C to +85°C
0°C to +70°C
J, L
D, DW, J, N, Q
D, DW, J, N, Q
2
TI [ TEXAS INSTRUMENTS ]
