UC1835

UC1836

UC2835

UC2836

UC3835

UC3836

SOIC-16 (TOP VIEW)

DW Package

CONNECTION DIAGRAMS

PACKAGE PIN FUNCTION

FUNCTION

PIN

N/C

1

2

3

N/C

4

Compensation/

Shutdown

5

N/C

6

Ground

7

N/C

8

N/C

9

Driver Source

10

N/C

11

12

N/C

13

N/C

14

Driver Sink

15

N/C

16

Current Limit (-)

17

N/C

18

Sense Resistor Out

19

Sense Resistor Out

20

DIL-8, SOIC-8 (TOP VIEW)

N or J Package, D Package

PLCC-20, LCC-20

(TOP VIEW)

Q, L Packages

Driver Output Current (Sink or Source) . . . . . . . . . . . . . 600mA

Driver Source to Sink Voltage . . . . . . . . . . . . . . . . . . . . . + 40V

Maximum Current Through Sense Resistor. . . . . . . . . . . . . . 4A

Operating Junction Temperature . . . . . . . . . . . -55°C to +150°C

Storage Temperature . . . . . . . . . . . . . . . . . . . . -65°C to +150°C

Lead Temperature (Soldering, 10 Seconds) . . . . . . . . . . 300°C

Note 1: Voltages are referenced to ground, (Pin 3). Currents are

positive into, negative out of, the specified terminals.

Consult Packaging Section of Databook for thermal

considerations and limitations of packages.

UC3835/6, –25°C to + 85°C for the UC2835/6, and –55°C to +125°C for the

PARAMETER

TEST CONDITIONS

MIN.

TYP.

MAX. UNITS

Input Supply

Supply Current

2.75

4.0

mA

3.75

6.0

mA

UVLO Threshold

3.9

4.4

4.9

V

Threshold Hysteresis

0.1

0.35

V

Reverse Current

6.0

20

mA

Regulating Voltage and Error Amplifier (UC1835 Family Only)

4.94

5.0

5.06

V

Over Temperature

4.9

5.1

V

Line Regulation

15

40

mV

Load Regulation

Driver Current = 0 to 250mA

6.0

25

mV

75

125

210

µA

Error Amp Transconductance

±100µA at Compensation/Shutdown Pin

0.8

1.3

2.0

mS

Maximum Compensation Output Current

Sink or Source, Driver Source Open

90

200

260

µA

ABSOLUTE MAXIMUM RATINGS (Note 1)

2