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MAX6796TPLD0+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
MAX6791–MAX6796
High-Voltage, Micropower, Single/Dual Linear
Regulators with Supervisory Functions
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 14V, C
IN
= 1µF, C
OUT
= 10µF, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= T
J
= +25°C.)
(Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX6795/MAX6796, output shorted,
V
IN
= 6V
400 480
Short-Circuit Output Current Limit
(Note 4)
MAX6791–MAX6794, output shorted,
V
IN
= 6V
200 240
mA
Thermal-Shutdown Temperature +165 °C
Thermal-Shutdown Hysteresis 20 °C
8V V
IN
72V, I
LOAD
= 1mA 1
Line Regulation
8V V
IN
72V, I
LOAD
= 10mA 1
% of
V
OUT
I
OUT
= 1mA to 300mA
(MAX6795/MAX6796)
2
Load Regulation (Note 5)
I
OUT
= 1mA to 150mA
(MAX6791–MAX6794)
1.5
%
Power-Supply Rejection Ratio PSRR I
LOAD
= 10mA, f = 100Hz, V
IN
= 500mV
P-P
69 dB
I
LOAD
= 300mA, V
OUT
= 5V,
V
OUT
= 90% of its nominal value
180
Startup Response Time t
START
I
LOAD
= 150mA, V
OUT
= 5V,
V
OUT1/OUT2
= 90% of its nominal value
360
µs
Output Overvoltage Protection
Threshold
OV
TH
I
SINK
= 1mA from OUT/OUT1/OUT2
1.05 x
V
OUT
1.1 x
V
OUT
V
Output Overvoltage Protection
Sink Current
V
OUT
= V
OUT
(nominal) x 1.15 5 10 mA
IN to GATEP Clamp Voltage I
GATEP
= -100µA, V
IN
= 20V 13.8 16.3 18.8 V
IN to GATEP Drive Voltage I
GATEP
= 0A, V
IN
= 20V 8 10 12 V
ENABLE/ENABLE1/ENABLE2/
HOLD Input-Voltage Low
V
IL
0.4 V
ENABLE/ENABLE1/ENABLE2/
HOLD Input-Voltage High
V
IH
1.4 V
ENABLE/ENABLE1/ENABLE2
Input Pulldown Current
Enable is internally pulled down to GND 0.5 µA
HOLD Input Pullup Current HOLD is internally pulled to OUT/OUT1 2 µA
MAX6791–MAX6796
High-Voltage, Micropower, Single/Dual Linear
Regulators with Supervisory Functions
_______________________________________________________________________________________ 5
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 14V, C
IN
= 1µF, C
OUT
= 10µF, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= T
J
= +25°C.)
(Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RESET OUTPUT
L 4.500 4.625 4.750
M 4.250 4.375 4.500
T 2.970 3.053 3.135
S 2.805 2.888 2.970
Z 2.250 2.313 2.375
Y 2.125 2.188 2.250
W 1.620 1.665 1.710
Reset Threshold (Preset Output
Voltage)
SET/SET1 = GND
V 1.530 1.575 1.620
V
L/T/Z/W
0.90 x
V
OUT
0.925 x
V
OUT
0.95 x
V
OUT
Reset Threshold (Adjustable
Output Voltage)
M/S/Y/V
0.85 x
V
OUT
0.875 x
V
OUT
0.90 x
V
OUT
V
OUT to Reset Delay V
OUT1
/V
OUT
falling 35 µs
D0 35 µs
D1 2.187 3.125 4.063
D2 8.75 12.5 16.25
D3 35 50 65
Reset Timeout Period
(CSRT = OUT/OUT1)
t
RP
V
OUT1
/V
OUT
rising
D4 140 200 260
ms
CSRT Ramp Current 800 1000 1250 nA
CSRT Ramp Threshold 1.185 1.218 1.255 V
WATCHDOG INPUT
CSWT = OUT/OUT1 (fixed) 280.0 400.0 520.0
Normal Watchdog Timeout
Period
t
WD2
CSWT = 1500pF (adjustable) 170 236.2 290
ms
CSWT = OUT/OUT1 (fixed) 37.5 50.0 62.5
Fast Watchdog Timeout Period
SET Ratio = 8
t
WD1
CSWT = 1500pF (adjustable) 21.95 29.52 36.90
ms
CSWT = OUT/OUT1 (fixed) 18.75 25.0 31.25
Fast Watchdog Timeout Period
SET Ratio = 16
t
WD1
CSWT = 1500pF (adjustable) 10.80 14.76 18.45
ms
CSWT = OUT/OUT1 (fixed) 4.68 6.25 7.81
Fast Watchdog Timeout Period
SET Ratio = 64
t
WD1
CSWT = 1500pF (adjustable) 2.52 3.69 4.62
ms
Fast Watchdog Minimum Period t
WD0
2000 ns
CSWT Ramp Current Adjustable timeout 800 1000 1250 nA
CSWT Ramp Threshold Adjustable timeout 1.185 1.218 1.255 V
Undercurrent Threshold for
Watchdog Enable
7.0 10 13.8 mA
Undercurrent Threshold for
Watchdog Disable
3 5 7 mA
MAX6791–MAX6796
High-Voltage, Micropower, Single/Dual Linear
Regulators with Supervisory Functions
6 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= 14V, C
IN
= 1µF, C
OUT
= 10µF, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= T
J
= +25°C.)
(Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
LOGIC INPUT (WDS0, WDS1, WD-DIS, WDI)
Input-Voltage Low V
IL
0.4 V
Input-Voltage High V
IH
1.4 V
Input Current Inputs connected to OUT/OUT1 or GND -100 +100 nA
POWER-FAIL COMPARATOR
PFI Threshold V
PFI
1.199 1.231 1.263 V
PFI Hysteresis 0.5 %
PFI Input Current V
PFI
= 14V -100 +100 nA
PFI to PFO Delay (V
PFI
+ 50mV) to (V
PFI
- 50mV) 35 µs
LOGIC OUTPUT (RESET, PFO)
I
SINK
= 50µA (output asserted) 0.3
Output-Voltage Low (Open Drain
or Push-Pull)
V
OL
I
SINK
= 3.2mA (output asserted) 0.4
V
V
OUT
1.0V, I
SOURCE
= 10µA (output not
asserted)
0.8 x
V
OUT
V
OUT
1.5V, I
SOURCE
= 100µA (output not
asserted)
0.8 x
V
OUT
Output-Voltage High (Push-Pull) V
OH
V
OUT
2.2V, I
SOURCE
= 500µA (output not
asserted)
0.8 x
V
OUT
V
Open-Drain Leakage V
RESET
= V
PFO
= 12V (output not asserted) 100 nA
Note 1: All devices are 100% production tested at T
J
= +25°C and +125°C. Limits at -40°C are guaranteed by design.
Note 2: Dropout voltage is defined as (V
IN
- V
OUT
) when V
OUT
is 98% of V
OUT
for V
IN
= 8V.
Note 3: Dropout voltage is defined as (V
IN
- V
OUT
) when V
OUT
is 98% of V
OUT
for V
IN
= 6V.
Note 4: Operation beyond the absolute maximum power dissipation is not guaranteed and may damage the part.
Note 5: Test at V
IN
= 8V (L/M), V
IN
= 6V (T/S), V
IN
= 5V (Z/Y/W/V).
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24

MAX6796TPLD0+T

Mfr. #:
Buy MAX6796TPLD0+T
Manufacturer:
Maxim Integrated
Description:
Linear Voltage Regulators Single uPower Linear
Lifecycle:
New from this manufacturer.
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