Datasheet
UCC27611
SLUSBA5B –DECEMBER 2012
www.ti.com
ELECTRICAL CHARACTERISTICS
VDD = 12 V, T
A
= T
J
= -40°C to 140°C, 2-µF capacitor from VDD to GND and from VREF to GND. Currents are positive into,
negative out of the specified terminal. OUTH and OUTL are tied together. (unless otherwise noted)
(1)
PARAMETER CONDITION MIN TYP MAX UNITS
Bias Current
VDD = 3.0, IN+ = VDD, IN- =
100 180
GND
I
DD(off)
Startup current μA
IN+ = GND, IN- = VDD 75 160
Under Voltage Lockout (UVLO)
V
DD(on)
Supply start threshold 3.55 3.8 4.15
Minimum operating voltage after supply
V
DD(off)
3.3 3.55 3.9 V
start
V
DD_H
Supply voltage hysteresis 0.25
Inputs (IN+, IN-)
Output High for IN- pin, Output
V
IN_L
Input signal low threshold 0.9 1.1 1.3
Low for IN+ pin
Output High for IN+ pin, Output V
V
IN_H
Input signal high threshold 1.85 2.05 2.25
Low for IN- pin
V
IN_HYS
Input signal hysteresis 0.70 0.95 1.20
V
REF
V
REF
VREF regulator output range 4.75 5.0 5.15
V
REF_line
VREF line regulation VDD from 6 V to 18 V 0.05 V
V
REF_lioad
VREF load regulation I
R
from 0 mA to 50 mA 0.075
I
SCC
Short circuit current -90 -75 -60 mA
Outputs (OUTH/OUTL AND OUT)
Source peak current (OUTH) / sink peak C
LOAD
= 0.22 µF, F
SW
= 1 kHz,
I
SRC/SNK
-4/+8 A
current (OUTL)
(2) (2)
VDD -
V
OH
OUTH high voltage I
OUTH
= -10 mA
0.05
V
V
OL
OUTL low voltage I
OUTL
= 10 mA 0.02
T
A
= 25°C, I
OUT
= -25 mA to -50
1
mA
R
OH
OUTH pull-up resistance
T
A
= -40°C to 140°C, I
OUT
= -50
2
mA
Ω
T
A
= 25°C, I
OUT
= 25 mA to 50
0.35
mA
R
OL
OUTH pull-down resistance
TA = -40°C to 140°C, IOUT = 50
1.5
mA
Switching Time
t
R
Rise time
(3)
C
LOAD
= 1.0 nF 5
t
F
Fall time
(3)
C
LOAD
= 1.0 nF 5
ns
t
D1
Turn-on propagation delay
(3)
C
LOAD
= 1.0 nF, IN = 0 V to 5 V 14 25
t
D2
Turn-off propagation delay
(3)
C
LOAD
= 1.0 nF, IN = 5 V to 0 V 14 25
(1) Device operational with output switching.
(2) Ensured by Design, Not tested in Production.
(3) See Figure 1 and Figure 2 timing diagrams.
4 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated
Product Folder Links: UCC27611