Electrical Characteristics
(continued)
EUP7917
Conditions: V
IN
=V
OUT
+0.5V or 2.5V whichever is greater,V
EN
=V
IN
,C
IN
=1uF,C
OUT
=1uF,T
A
=-40~85℃
,Unless otherwise specified.
VENL (Maximum Low Level
V
ENL
0.4
V
IN
=2.5V to 5.5V
Input Voltage at EN)
VENH (Minimum high Level
V
ENH
1.5
V
IN
=2.5V to 5.5V
Input Voltage at EN)
VEN Input Bias Current
V
IN
=5.5V, V
EN
=0 or 5.5V
1
FB Input Bias Current (ADJ
1
V
IN
=5.5V, V
FB
=1.3V
Version)
FB Pin Voltage (ADJ
V
FB
1.176
1.2
1.224
T
A
=25℃
Version)
Thermal Shutdown
T
SD
155
Temperature
Thermal Shutdown
∆T
SD
15
Hysteresis
Note 1: Dropout is defined as V
IN
-V
OUT
when V
OUT
is 100mV below the value of V
OUT
for V
IN
=V
OUT
+0.5V
Note 2: Test time needed for V
OUT
to reach 90% of final value.
V
V
nA
nA
V
℃
℃
DS7917
Ver1.2
Mar. 2008
5
EUTECH [ EUTECH MICROELECTRONICS INC ]
