Datasheet

UCC2813-0, UCC2813-1, UCC2813-2, UCC2813-3, UCC2813-4, UCC2813-5
UCC3813-0, UCC3813-1, UCC3813-2, UCC3813-3, UCC3813-4, UCC3813-5
SLUS161D –APRIL 1999–REVISED JUNE 2013 www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
Unless otherwise stated, these specifications apply for –40°C ≤ T
A
≤ +85°C for UCC2813-x; 0°C ≤ T
A
≤ +70°C for UCC3813-
x; VCC = 10 V
(1)
; RT = 100 k from REF to RC; CT = 330 pF from RC to GND; 0.1-µF capacitor from VCC to GND; 0.1-µF
capacitor from VREF to GND. T
A
= T
J
.
UCC2813-x
UCC3813-x
PARAMETER TEST CONDITIONS UNIT
MIN TYP MAX
Output Section
OUT low level I = 20 mA, all parts 0.1 0.4
I = 200 mA, all parts 0.35 0.9
V
I = 50 mA, VCC = 5 V, UCCx813-3 / -5 0.15 0.4
I = 20 mA, VCC = 0 V, all parts 0.7 1.2
V
CC
-OUT OUT high VsAT I = –20 mA, all parts 0.15 0.4
I = –20 0mA, all parts 1 1.9 V
I = –50 mA, VCC = 5 V, UCCx813-3 / -5 0.4 0.9
Rise time CL= 1 nF 41 70 ns
Fall time CL = 1 nF 44 75 ns
Undervoltage Lockout Section
Start threshold
(7)
UCCx813-0 6.6 7.2 7.8
UCCx813-1 8.6 9.4 10.2
V
UCCx813-2 / -4 11.5 12.5 13.5
UCCx813-3 / -5 3.7 4.1 4.5
Stop threshold
(7)
UCC1813-0 6.3 6.9 7.5
UCC1813-1 6.8 7.4 8
V
UCCx813-2 / -4 7.6 8.3 9
UCCx813-3 / -5 3.2 3.6 4
Start to stop hysteresis UCCx813-0 0.12 0.3 0.48
UCCx813-1 1.6 2 2.4
V
UCCx813-2 / -4 3.5 4.2 5.1
UCCx813-3 / -5 0.2 0.5 0.8
Soft Start Section
COMP rise time FB = 1.8 V, Rise from 0.5 V to REF – 1 V 4 ms
Overall Section
Start-up current VCC < Start Threshold 0.1 0.23 mA
Operating supply current FB = 0 V, CS = 0 V, RC = 0 V 0.5 1.2 mA
VCC internal Zener ICC = 10 mA
(7)
12 13.5 15 V
voltage
VCC internal Zener UCCx813-2 / -4 0.5 1 V
voltage minus start-
threshold voltage
(7) Start threshold, stop threshold, and Zener-shunt thresholds track one another.
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Product Folder Links: UCC2813-0 UCC2813-1 UCC2813-2 UCC2813-3 UCC2813-4 UCC2813-5 UCC3813-0
UCC3813-1 UCC3813-2 UCC3813-3 UCC3813-4 UCC3813-5