2

UCC15701/2

UCC25701/2

UCC35701/2

ABSOLUTE MAXIMUM RATINGS

Supply voltage (Supply current limited to 20mA) ........ 15V

Supply Current................................. 20mA

Input pins ( ILIM,VFF,RT,CT,VSCLAMP,SYNC,SS, FB) . . . 6V

Output Current (OUT) DC..................... +/–180mA

Output Current (OUT) Pulse (0.5ms) .............. +/–1.2A

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

Junction Temperature ................... –55°C to +150°C

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

Note: All voltages are with respect to GND. Currents are posi-

tive into the specified terminal. Consult Packaging Section of

the Databook for thermal limitations and considerations of

packages.

VREF

GND

SS

SYNC

CT

FB

VSCLAMP

1

2

3

4

5

6

7

14

13

12

11

10

9

8

ILIM

COUNT

VFF

RT

VDD

OUT

PGND

CONNECTION DIAGRAMS

DIL-14, SOIC-14, TSSOP-14 (TOP VIEW)

N or J, D, PW PACKAGE

ELECTRICAL CHARACTERISTICS:Unless otherwise specified, VDD = 11V, RT = 60.4k, CT = 330pF, CREF =CVDD =

0.1

m F, VFF = 2.0V, and no load on the outputs.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

UVLO Section

Start Threshold

(UCCX5701)

12

13

14

V

(UCCX5702)

8.8

9.6

10.4

V

Stop Threshold

(UCCX5701)

8

9

10

V

(UCCX5702)

8.0

8.8

9.6

V

Hysteresis

(UCCX5701)

3

4

V

(UCCX5702)

0.3

0.8

V

Supply Current

Start-up Current

(UCCX5701) VDD = 11V, VDD Comparator Off

130

200

mA

(UCCX5702) VDD = 8V, VDD Comparator Off

120

190

mA

IDD Active

VDD Comparator On

0.75

1.5

mA

VDD Clamp Voltage

(UCCX5701) IDD = 10mA

13.5

14.3

15

V

(UCCX5702) IDD = 10mA

13

13.8

15

V

VDD Clamp – Start Threshold

(UCCX5701)

1.3

V

(UCCX5702)

4.2

V

Voltage Reference

VREF

VDD = 10V to 13V, IVREF = 0mA to 2mA

4.9

5

5.1

V

Line Regulation

VDD = 10V to 13V

20

mV

Load Regulation

IVREF = 0mA to 2mA

2

mV

Short Circuit Current

VREF = 0V, TJ = 25°C

20

50

mA

TA =TJ

UVLO

Option

Package

Part Number

–55°C to +125°C

13V / 9V

CDIP-14

UCC15701J

9.6V / 8.8V

CDIP-14

UCC15702J

–40°C to +85°C

13V/9V

SOIC-14

UCC25701D

PDIP-14

UCC25701N

TSSOP-14 UCC25701PW

9.6V / 8.8V

SOIC-14

UCC25702D

PDIP-14

UCC25702N

TSSOP-14 UCC25702PW

0°C to +70°C

13V/9V

SOIC-14

UCC35701D

PDIP-14

UCC35701N

TSSOP-14 UCC35701PW

9.6V / 8.8V

SOIC-14

UCC35702D

PDIP-14

UCC35702N

TSSOP-14 UCC35702PW

The D and PW packages are available taped and reeled. Add

TR suffix to the device type (e.g., UCC35701DTR).

ORDERING INFORMATION