Datasheet

UCC28061
www.ti.com .............................................................................................................................................................. SLUS837A – JUNE 2008 – REVISED JULY 2009
ELECTRICAL CHARACTERISTICS (continued)
At VCC = 16 V, AGND = PGND = 0 V, VINAC = 3 V, VSENSE = 6 V, HVSEN = 3 V, PHB = 5 V, R
TSET
= 133 k Ω ; all voltages
are with respect to GND, all outputs unloaded, – 40 ° C < T
J
= T
A
< +125 ° C, and currents are positive into and negative out of
the specified terminal, unless otherwise noted.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
GATE DRIVE
(2)
GDA, GDB output voltage high I
GDA
, I
GDB
= – 100 mA 11.5 13 15
GDA, GDB output voltage high, clamped VCC = 20 V, I
GDA
, I
GDB
= – 5 mA 12 13.5 15 V
GDA, GDB output voltage high, low VCC VCC = 12 V, I
GDA
, I
GDB
= – 5 mA 10 10.5 11.5
GDA, GDB on-resistance high I
GDA
, I
GDB
= – 100 mA 8 14 Ω
GDA, GDB output voltage low I
GDA
, I
GDB
= 100 mA 0.15 0.3 V
GDA, GDB on-resistance low I
GDA
, I
GDB
= 100 mA 2 3 Ω
Rise time 1 V to 9 V, C
LOAD
= 1 nF 18 30
ns
Fall time 9 V to 1 V, C
LOAD
= 1 nF 12 25
GDA, GDB output voltage UV I
GDA
, I
GDB
= 2.5 mA 1.6 2 V
ZERO CURRENT DETECTOR
ZCDA, ZCDB voltage threshold, falling 0.8 1.0 1.2
ZCDA, ZCDB voltage threshold, rising 1.5 1.68 1.88 V
ZCDA, ZCDB clamp, high I
ZCDA
= +2 mA, I
ZCDB
= +2 mA 2.6 3.0 3.4
ZCDA, ZCDB input bias current ZCDA = 1.4 V, ZCDB = 1.4 V – 0.5 0.5 µ A
ZCDA, ZCDB clamp, low I
ZCDA
= – 2 mA, I
ZCDB
= – 2 mA – 0.4 – 0.2 0 V
Respective gate drive output rising 10%
ZCDA, ZCDB delay to GDA, GDB outputs
(2)
45 100 ns
from zero crossing input falling to 1 V
CURRENT SENSE
CS input bias current At rising threshold – 150 – 250 µ A
CS current limit rising threshold – 0.18 – 0.20 – 0.22
V
CS current limit falling threshold – 0.005 – 0.015 – 0.029
From CS exceeding threshold – 0.05 V to
CS current limit response time
(2)
60 100 ns
GDx dropping 10%
MAINS INPUT
VINAC input bias current VINAC = 2 V – 0.5 0.5 µ A
BROWNOUT
VINAC brownout threshold VINAC falling 1.34 1.39 1.44 V
VINAC brownout current VINAC = 1 V 5 7 9 µ A
VINAC fails to exceed the brownout
VINAC brownout filter time 340 440 540 ms
threshold for the brownout filter time
(2) Refer to Figure 12 , Figure 13 , Figure 14 , and Figure 15 in the Typical Characteristics for typical gate drive waveforms.
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