Datasheet

UCC27531
UCC27533, UCC27536
UCC27537, UCC27538
SLUSBA7D – DECEMBER 2012–REVISED APRIL 2013 www.ti.com
ELECTRICAL CHARACTERISTICS
Unless otherwise noted, VDD = 18 V, T
A
= T
J
= -40°C to 140°C, 1-µF capacitor from VDD to GND, f = 100 kHz. Currents are
positive into, negative out of the specified terminal. OUTH and OUTL are tied together for UCC27531/8. Typical condition
specifications are at 25°C.
PARAMETER TEST CONDITION MIN TYP MAX UNITS
Bias Currents
VDD = 7.0, IN, EN=VDD 100 200 300
I
DDoff
Startup current (UCC25731)
IN, EN = GND 100 217 300
VDD = 7.0, IN+ = GND, IN- = VDD 100 200 300
I
DDoff
Startup current (UCC27533)
IN+ = VDD, IN- = GND 100 217 300
VDD = 7.0, IN- = GND, EN = VDD 100 217 300
I
DDoff
Startup current (UCC27536) μA
IN- = VDD, EN = GND 100 217 300
VDD =7.0, IN+, EN = VDD 100 200 300
I
DDoff
Startup current (UCC27537)
IN+, EN = GND 100 217 300
VDD = 7.0, IN1, IN2=VDD 100 200 300
I
DDoff
Startup Current (UCC27538)
IN1, IN2=GND 100 200 300
Under Voltage Lockout (UVLO)
V
ON
Supply start threshold 8.0 8.9 9.8
Minimum operating voltage
V
OFF
7.3 8.2 9.1 V
after supply start
V
DD_H
Supply voltage hysteresis 0.7
Input (IN, IN+, IN1, IN2)
Input signal high threshold, Output High, IN- = LOW, EN=HIGH, IN2 or IN1 =
V
IN_H
1.8 2.0 2.2
output high HIGH (other is INPUT)
Input signal low threshold, Output Low, IN- = LOW, EN=HIGH, IN2 or IN1 = V
V
IN_L
0.8 1.0 1.2
output low HIGH (other is INPUT)
V
IN_HYS
Input signal hysteresis 1.0
Input (IN-)
Input signal high threshold,
V
IN_H
Output low, IN+ = HIGH, EN = High 1.7 1.9 2.1
output low
Input signal low threshold, V
V
IN_L
Output high,, IN+ = HIGH, EN = High 0.8 1.0 1.2
output high
V
IN_HYS
Input signal hysteresis 0.9
Enable (EN)
V
EN_H
Enable signal high threshold Output High 1.7 1.9 2.1
V
EN_L
Enable signal low threshold Output Low 0.8 1.0 1.2 V
V
EN_HYS
Enable signal hysteresis 0.9
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Product Folder Links: UCC27531 UCC27533, UCC27536 UCC27537, UCC27538