Datasheet

UCC2897A
SLUS829D -- AUGUST 2008 -- REVISED JULY 2009
28
www.ti.com
TYPICAL CHARACTERISTICS
Figure 12
-- 5 0
2
0
-- 2 5
4
6
8
10
12
14
0 25 50 75 100 12
5
U
V
LO
V
OLT
A
GE THRESHOLDS
vs
JUNCTION TEMPERATURE
V
UVLO
-- UVLO Voltage Thresholds -- V
T
J
-- Junction Temperature -- °C
UVLO On
UVLO Off
UVLO Hysteresis
Figure 13
0
0
2
0.5
1.0
1.5
2.0
2.5
468101214
16
QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
I
DD
-- Supply Current -- mA
V
DD
-- Supply Voltage -- V
Figure 14
SUPPL
Y
CURRENT
vs
SUPPLY VOLTAGE
0
-- 5 0
2
-- 4 0
-- 3 0
-- 1 0
0
10
46810121416
-- 2 0
JFET Source Current
V
IN
=36V
I
DD
-- Supply Current -- mA
V
DD
-- Supply Voltage -- V
Figure 15
--50 --25 0 50 100 125
0
5
10
15
20
TYPICAL STARTUP CURRENT AVAILABLE FROM VDD
vs
TEMPERATURE
25 75
External VDD Current -- mA
T
J
-- Junction Temperature -- °C