Datasheet

3
UCC1583
UCC2583
UCC3583
ELECTRICAL CHARACTERISTICS:
Unless otherwise stated, these specifications apply for T
A
= –55°Cto125°C for
UCC1583, –40°C to 85°C for UCC2583, and 0°C to 70°C for UCC3583; VDD = 12V, R
T
= 60k, C
T
= 100pF, T
A
=T
J
.
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Output Duty Cycle
Minimum Duty Cycle Output D/C = Output PW / Input PW 0 %
Maximum Duty Cycle Output D/C = Output PW / Input PW 100 %
Voltage Error Amplifier
V
INV
V
COMP
=VINV, 0°C to 70°C (UCC3583) 2.462 2.5 2.538 V
V
COMP
=VINV, All Other Temperature Ranges 2.45 2.5 2.55 V
I
INV
V
COMP
=VINV 300 500 nA
V
COMP
Low V
INV
= 2.6V, ICOMP = 100µA 450 700 mV
V
COMP
High V
INV
= 2.4V, ICOMP = –100µA 5.0 5.5 6.0 V
AVOL No Load 70 90 dB
GBW Product At f = 100kHz, T
A = 25°C (Note 1) 3 5 MHz
Current Error Amplifier
Input Offset Voltage 10 mV
Input CM Low Common Mode for CS and ILIM (Note 1) 0 V
Input CM High Common Mode for CS and ILIM (Note 1) 2 V
V
CAO
Low V
+IN
= 0V, V
–IN
= 0.1V, ICAO = 100µA 250 500 mV
V
CAO
High V
+IN
= 0V, V
–IN
= 0.1V, ICAO = –100µA 5.0 5.5 6.0 V
Input Current (ILIM and CS Pins) –50 0 50 nA
AVOL No Load 70 90 dB
GBW Product At f = 100kHz, T
A
= 25°C 2 4 MHz
Soft Start Current 10 25 µA
UVLO
VDD On Threshold Voltage 8.5 9.0 9.5 V
VDD Off Threshold Voltage 7.9 8.4 8.9 V
UVLO Hysteresis 0.3 0.6 0.9 V
Bias Supply
Supply Clamp Voltage 13 14 15 V
Supply Current (VDD) f = 100kHz With No Gate Output Load 3 5 mA
Output Driver
V
SAT High I
GATE
= –150mA 0.6 1.0 V
V
SAT Low IGATE = 50mA 0.4 0.75 V
Rise Time C
GATE = 1nF 50 75 ns
Fall Time C
GATE = 330pF 20 40 ns
Reference
V
REF IREF = 0, 0°C to 70°C (UCC3583) 4.925 5 5.075 V
I
REF = 0, All Other Temperature Ranges 4.900 5 5.100 V
Line Regulation VDD = 10V to 14V 2 30 mV
Load Regulation I
REF = 0mA to 2mA 1 20 mV
Note 1: Ensured by design. Not 100% tested in production.