Datasheet
Data Sheet ADP194
Rev. A | Page 3 of 12
SPECIFICATIONS
V
IN
= 1.8 V, V
EN
= V
IN
, I
LOAD
= 200 mA, T
A
= 25°C, unless otherwise noted.
Table 1.
Parameter Symbol Test Conditions Min Typ Max Unit
INPUT VOLTAGE RANGE V
IN
T
J
= −40°C to +85°C 1.1 3.6 V
EN INPUT
EN Input Threshold V
EN_TH
1.1 V ≤ V
IN
≤ 1.3 V, T
J
= −40°C to +85°C 0.3 1.0 V
1.3 V < V
IN
< 1.8 V, T
J
= −40°C to +85°C 0.35 1.2 V
1.8 V ≤ V
IN
≤ 3.6 V, T
J
= −40°C to +85°C 0.45 1.2 V
Logic High Voltage V
IH
1.1 V ≤ V
IN
≤ 3.6 V 1.2 V
Logic Low Voltage V
IL
1.1 V ≤ V
IN
≤ 3.6 V 0.3 V
EN Input Pull-Down Resistance R
EN
4 MΩ
CURRENT
Ground Current
1
I
GND
VOUT open, T
J
= −40°C to +85°C 2 µA
Shutdown Current I
OFF
EN = GND 0.7 µA
EN = GND, T
J
= −40°C to +85°C 2 µA
REVERSE BLOCKING
V
OUT
Current V
EN
= 0 V, V
IN
= 0 V, V
OUT
= 3.6 V 4 µA
Hysteresis |V
IN
− V
OUT
| 50 mV
VIN to VOUT RESISTANCE RDS
ON
V
IN
= 3.6 V, EN = 1.5 V 55 mΩ
V
IN
= 2.5 V, EN = 1.5 V 65 mΩ
V
IN
= 1.8 V, EN = 1.5 V, T
J
= −40°C to +85°C 80 120 mΩ
V
IN
= 1.5 V, EN = 1.5 V 105 mΩ
V
IN
= 1.2 V, EN = 1 V 160 mΩ
VOUT TIME
Turn-On Delay Time t
ON_DLY
EN = 1.5 V, C
LOAD
= 1 F 7 s
V
IN
= 3.6 V, EN = 1.5 V, C
LOAD
= 1 F 1.5 s
1
Ground current includes EN pull-down current.
TIMING DIAGRAM
V
EN
V
OUT
TURN-ON
RISE
90%
10%
TURN-OFF
DELAY
TURN-OFF
FALL
TURN-ON
DELAY
08629-003
Figure 2. Timing Diagram