Datasheet

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.
VR E F
GND
SS
SYNC
CT
FB
VS C LAMP
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, V
DD
= 11V, RT = 60.4k, C
T
= 330pF, C
REF
=C
VDD
=
0.1m F, V
FF
= 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) V
DD
= 11V, V
DD
Comparator Off 130 200 mA
(UCCX5702) V
DD
= 8V, V
DD
Comparator Off 120 190 mA
I
DD
Active V
DD
Comparator On 0.75 1.5 mA
V
DD
Clamp Voltage (UCCX5701) I
DD
= 10mA 13.5 14.3 15 V
(UCCX5702) I
DD
= 10mA 13 13.8 15 V
V
DD
Clamp – Start Threshold (UCCX5701) 1.3 V
(UCCX5702) 4.2 V
Voltage Reference
V
REF
V
DD
= 10V to 13V, I
VREF
= 0mA to 2mA 4.9 5 5.1 V
Line Regulation V
DD
= 10V to 13V 20 mV
Load Regulation I
VREF
= 0mA to 2mA 2 mV
Short Circuit Current V
REF
= 0V, TJ = 25°C 20 50 mA
T
A
=T
J
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