Datasheet

(V
S
= +14V, V
OUT
= 5V, EN unconnected, T
A
= T
J
= -40°C to +125°C, C
IN
= 10μF, C
OUT
= 10μF, unless otherwise noted. Typical
specifications are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RESET
Reset Threshold Voltage V
RT
V
OUT
falling 85 90 94.5 %V
OUT
Reset Threshold Hysteresis V
RTH
30 65 100 mV
Reset Pulse Delay t
RD
C
CT
= 100nF, t
R
≥ 100µs 55 110 180 ms
RES Output Low Voltage V
RL
V
S
≥ +1.5V, R
RES
= 10kΩ to V
OUT
0.4 V
RES Output High Leakage
Current
I
RH
V
RES
= 5V 1.0 µA
Delay Comparator Threshold V
CTTH
V
CT
rising 1.9 2.1 2.4 V
Delay Comparator Threshold
Hysteresis
100 mV
SENSE
Sense Threshold V
ST
V
SI
falling 1.10 1.16 1.24 V
Sense Threshold Hysteresis 50 100 150 mV
Sense Output Low Voltage V
SL
V
SI
≤ 1.10V, V
S
≥ 4V, R
SO
= 10kΩ to V
OUT
0.4 V
Sense Output
Leakage Current
I
SH
V
SO
= 5V, V
SI
≥ 1.5V 1 µA
Sense Input Current I
SI
V
SI
= 3.3V -1 +1 µA
ENABLE
Enable Voltage V
EN
EN = high, regulator on 2.4
V
EN = low, regulator off 0.4
Enable Internal Pullup Current I
EN
EN is internally pulled up to 3.6V (max) 3 µA
MAX5091 28V, 100mA, Low-Quiescent-Current LDO
with Reset and Power-Fail Input/Output
www.maximintegrated.com
Maxim Integrated
3
Electrical Characteristics (MAX5091A) (continued)