2

UCC1895

UCC2895

UCC3895

DIL-20,c SOIC-20, TSSOP-20 (TOP VIEW)

J or N Package, DW Package, PW Package

ABSOLUTE MAXIMUM RATINGS

Supply Voltage (IDD < 10mA) . . . . . . . . . . . . . . . . . . . . . . . 17V

Supply Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA

REF current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15mA

OUT Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA

Analog inputs

(EAP, EAN, EAOUT, RAMP,

SYNC, ADS, CS, SS/DISB) . . . . . . . . . . . –0.3V to REF+0.3V

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

Junction Temperature . . . . . . . . . . . . . . . . . . . –55°C to +125°C

Lead Temperature (soldering, 10 sec). . . . . . . . . . . . . . +300°C

OUTA

SS/DISB

EAP

OUTB

PGND

OUTC

VDD

OUTD

EAOUT

EAN

RT

SYNC

CT

RAMP

REF

GND

DELCD

DELAB

CS

20

19

18

17

16

15

14

13

12

11

1

2

3

4

5

6

7

8

9

10

ADS

CONNECTION DIAGRAMS

PLCC-20, CLCC-20 (TOP VIEW)

Q Package, L Package

3

18

17

16

EAN

1

220 19

15

14

4

5

6

7

8

911

10

12 13

EAOUT

RAMP

EAP

SS/DISB

OUTA

OUTB

OUTC

OUTD

PGND

REF

GND

SYNC

CT

RT

VDD

CS

ADS

DELAB

DELCD

TEMPERATURE

RANGE

PACKAGE

SUFFIX

UCC1895

–55°C to +125°C

J, L

UCC2895

–40°C to +85°C

DW, N, PW, Q

UCC3895

0°C to +70°C

DW, N, PW, Q

TEMPERATURE & PACKAGE SELECTION

TABLE

UCC

895

PACKAGE SUFFIX

TEMPERATURE RANGE

ORDERING INFORMATION

W, CT=220pF, RDELAB=10kW,

RDELCD=10k

UCC2895x, and –55

°C to +125°C for UCC1895x.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

UVLO Section

Start Threshold

10.2

11

11.8

V

Stop Threshold

8.2

9

9.8

V

Hysteresis

1.0

2.0

3.0

V

Supply Current

Start-up Current

VDD = 8V

150

250

mA

56

mA

VDD Clamp Voltage

IDD = 10mA

16.5

17.5

18.5

V