Datasheet

UCC27523, UCC27524, UCC27525, UCC27526
www.ti.com SLUSAQ3F –NOVEMBER 2011–REVISED MAY 2013
ELECTRICAL CHARACTERISTICS
V
DD
= 12 V, T
A
= T
J
= -40°C to 140°C, 1-µF capacitor from V
DD
to GND. Currents are positive into, negative out of the
specified terminal (unless otherwise noted,)
PARAMETER TEST CONDITION MIN TYP MAX UNITS
Bias Currents
VDD = 3.4 V,
INA=VDD, 55 110 175
Startup current,
INB=VDD
I
DD(off)
(based on UCC27524 Input μA
VDD = 3.4 V,
configuration)
INA=GND, 25 75 145
INB=GND
Under Voltage LockOut (UVLO)
T
J
= 25°C 3.91 4.20 4.50
V
ON
Supply start threshold
T
J
= -40°C to 140°C 3.70 4.20 4.65
V
Minimum operating voltage
V
OFF
3.40 3.90 4.40
after supply start
VDD_H Supply voltage hysteresis 0.20 0.30 0.50
Inputs (INA, INB, INA+, INA-, INB+, INB-), UCC2752X (D, DGN, DSD)
Output high for non-inverting input pins
V
IN_H
Input signal high threshold 1.9 2.1 2.3
Output low for inverting input pins
Output low for non-inverting input pins V
V
IN_L
Input signal low threshold 1.0 1.2 1.4
Output high for inverting input pins
V
IN_HYS
Input hysteresis 0.70 0.90 1.10
INPUTS (INA, INB, INA+, INA-, INB+, INB-) UCC27524P ONLY
Output high for non-inverting input pins
V
IN_H
Input signal high threshold 2.3
Output low for inverting input pins
Output low for non-inverting input pins V
V
IN_L
Input signal low threshold 1.0
Output high for inverting input pins
V
IN_HYS
Input hysteresis 0.9
Enable (ENA, ENB) UCC2752X (D, DGN, DSD)
V
EN_H
Enable signal high threshold Output enabled 1.9 2.1 2.3
V
EN_L
Enable signal low threshold Output disabled 0.95 1.15 1.35 V
V
EN_HYS
Enable hysteresis 0.70 0.95 1.10
ENABLE (ENA, ENB) UCC27524P ONLY
V
EN_H
Enable signal high threshold Output enabled 2.3
V
EN_L
Enable signal low threshold Output disabled 0.95 V
V
EN_HYS
Enable hysteresis 0.95
Outputs (OUTA, OUTB)
I
SNK/SRC
Sink/source peak current
(1)
C
LOAD
= 0.22 µF, F
SW
= 1 kHz ±5 A
V
DD
-V
OH
High output voltage I
OUT
= -10 mA 0.075
V
V
OL
Low output voltage I
OUT
= 10 mA 0.01
R
OH
Output pullup resistance
(2)
I
OUT
= -10 mA 2.5 5 7.5 Ω
R
OL
Output pulldown resistance I
OUT
= 10 mA 0.15 0.5 1 Ω
Switching Time
(1) Ensured by design.
(2) R
OH
represents on-resistance of only the P-Channel MOSFET device in pullup structure of UCC2752X output stage.
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Product Folder Links: UCC27523, UCC27524, UCC27525, UCC27526