Datasheet

Data Sheet ADM1073
Rev. B | Page 5 of 24
Parameter Min Typ Max Unit Test Conditions
DRAIN (FOLDBACK) AND
PWRGD
DRAIN Voltage at Which
PWRGD
Asserts 1.9 2 2.1 V R
DRAIN
= 3.75 M to 20 M
Maximum DRAIN Pin Current Allowable, I
DRAIN(MAX)
36 µA V
DS
= 80 V; R
DRAIN
= 3.25 M
PWRGD
Output Voltage Low 1 2 V
I
PWRGD
= 2.5 mA
0.2 0.4 V
I
PWRGD
= 0.5 mA
PWRGD
Internal Pull-Up Current 6 µA
PWRGD
Output Voltage High V
IN
V
RESTART
Time before Restart 5 s
Input Threshold 1.35 1.45 1.55 V
Glitch Filter 5 µs
Internal Pull-Up Current 6 µA
SHDN
Glitch Filter 5 µs
Input Threshold 1.35 1.45 1.55 V
Internal Pull-Up Current
6
µA
LATCHED
AND
SPLYGD
Output Voltage Low 1 2 V
I
LATCHED
, I
SPLYGD
= 2.5 mA
0.2 0.4 V
I
LATCHED
, I
SPLYGD
= 0.5 mA
Internal Pull-Up Current 6 µA
Output Voltage High V
IN
V