4
FN6437.2
September 1, 2015
DEVICE START-UP CHARACTERISTICS
Device Enable Time t
EN
Time from assertion of the ENx pin to when the output voltage
reaches 95% of the VO(nom)
250 500 µs
LDO Soft-Start Ramp Rate t
SSR
Slope of linear portion of LDO output voltage ramp during
start-up
30 60 µs/V
EN1, EN2 PIN CHARACTERISTICS
Input Low Voltage V
IL
-0.3 0.5 V
Input High Voltage V
IH
1.4 V
IN
+
0.3
V
Input Leakage Current I
IL
, I
IH
0.1 µA
Pin Capacitance C
PIN
Informative 5 pF
NOTE:
6. VOx = 0.98*VOx(NOM); Valid for VOx greater than 1.85V.
7. Parts are 100% tested at +25°C. Temperature limits established by characterization and are not production tested.
Electrical Specifications Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature
range of the device as follows: T
A
= -40°C to +85°C; V
IN
= (V
O
+ 1.0V) to 6.5V with a minimum V
IN
of 2.3V;
C
IN
= 1µF; C
O
= 1µF; C
BYP
= 0.01µF (Continued)
PARAMETER SYMBOL TEST CONDITIONS
MIN
(Note 7) TYP
MAX
(Note 7) UNITS
ISL9011A