Owner manual

MAX16999
Ultra-Low Output Voltage, Low-Quiescent-Current
Linear Regulator for High-Temperature Applications
_______________________________________________________________________________________ 3
Note 2: Limits are 100% production tested at T
A
= +25°C. Limits over the operating temperature range are guaranteed by design.
Note 3: Dropout voltage is defined as V
IN
- V
OUT
when V
OUT
is 2% below its value for V
IN
= V
OUT
+ 2V.
DC ELECTRICAL CHARACTERISTICS (continued)
(For devices with V
OUT
≤ 1.5V, V
IN
= 3.3V. For devices with V
OUT
> 1.5V, V
IN
= 5V. EN = IN, T
J
= -40°C to +125°C, C
IN
= 1µF, C
OUT
= 4.7µF, C
CRES
= 1000pF, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
EN
Standby Current I
STB
EN = GND 0.3 1 µA
Turn-On Delay From EN = high to V
OUT
= 100mV 10 µs
EN
H
Circuit active 70
Logic Levels
EN
L
Circuit inactive 30
%V
IN
Pullup Resistance R
EN-H
V
EN
= 75% V
IN
120 kΩ
Pulldown Resistance R
EN-L
V
EN
= 25% V
IN
120 kΩ
RESET
Threshold Accuracy V
RES
V
OUT
falling 79.5 82.5 85.5 %V
OUT
Threshold Hysteresis V
RES
,
HYST
2.5 %V
OUT
RESET Open-Drain Leakage RESET = high impedance, V
RESET
= 5mV 200 nA
Output Low Voltage V
RES,OL
I
LOAD
= 250µA 100 mV
RESET T i m e o u t t
R S OF F
CRES = GND 30 80 m s
O u tp u t D eg l i t c h T i m e t
D E GL I T C H
V
OUT
< V
RES
30 µs
C R ES
Charge Current I
CRES,UP
81012µA
Discharge Current I
CRES,DN
1mA
Threshold V
CRES
,
THRS
RESET goes from low to high impedance 575 600 625 mV
T H E R M A L P R O T E C T I O N
T h er m al - S h u td o w n Te m p er a tu r e T
S H D N
+ 1 65 ° C
Thermal-Shutdown Hysteresis ΔT
S H D N
1 5 ° C