.................................................-0.3V to (V
IN
+ 0.3V)
HOLD
to GND
........................................ -0.3V to (V
OUT
+ 0.3V)
SET, WDI, OUT to GND
.....................................-0.3V to +13.2V
RESET
to GND (Open Drain)
............................-0.3V to +13.2V
Short-Circuit Duration (V
IN
≤ +14V)
..........................Continuous
Maximum Current to Any Pin (Except IN, OUT)
..............±20mA
Continuous Power Dissipation (T
A
= +70°C)
8-Pin SO-EP (derate 19.2mW/°C above +70°C)
.......1538mW
Operating Temperature Range
......................... -40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range
............................ -65°C to +150°C
Lead Temperature (soldering, 10s)
................................. +300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Package Thermal Characteristics
(Note 1)
SO-EP
Junction-to-Ambient Thermal Resistance (θ
JA
)
...........41°C/W
Junction-to-Case Thermal Resistance (θ
JC
)..................2°C/W
Note 1:
Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to
www.maximintegrated.com/thermal-tutorial.
Electrical Characteristics
(V
IN
= +14V, I
OUT
= 1mA, C
IN
= 10μF, C
OUT
= 15μF, V
EN
= +2.4V,
HOLD
= open, 10kΩ from
RESET
to OUT, T
A
= -40°C to +125°C,
unless otherwise noted. Typical specifications are at T
A
= +25°C.) (Note 2)
PARAMETER
Input Voltage Range
Reverse Input Current
Supply Current
Shutdown Supply Current
REGULATOR
Guaranteed Output Current
I
OUT
V
OUT
= +5V
SET = GND, I
OUT
= 1mA to 150mA,
5V version
Output Voltage
V
OUT
SET = GND, I
OUT
= 1mA to 150mA,
3.3V version
I
OUT
= 5mA, adjustable version (MAX5024)
Dropout Voltage
Startup Response Time
Line Regulation
ΔV
OUT
/
ΔV
IN
ΔV
DO
I
LOAD
= 150mA, V
OUT
= +5V (Note 3)
Rising edge of V
IN
to V
OUT
, R
L
= 500Ω,
SET = GND
+8V ≤ V
IN
≤ +65V
+5V version
+3.3V version
-1
-0.5
150
4.8
3.168
2.5
0.9
400
+1
0.5
5
3.3
5.2
3.432
11
1.5
V
µs
mV/V
V
mA
SYMBOL
V
IN
I
REVERSE
I
Q
I
SHDN
V
IN
= -60V
Measured at GND
V
EN
≤ +0.4V
I
OUT
= 0mA
I
OUT
= 150mA
CONDITIONS
V
IN
must be at least 1.5V greater than V
OUT
MIN
6.5
0.1
58
2000
6
16
TYP
MAX
65
10
140
UNITS
V
µA
µA
µA
www.maximintegrated.com
Maxim Integrated │
2
MAX5023/MAX5024
65V, Low-Quiescent-Current, High-Voltage Linear
Regulators with μP Reset and Watchdog Timer
Electrical Characteristics (continued)
(V
IN
= +14V, I
OUT
= 1mA, C
IN
= 10μF, C
OUT
= 15μF, V
EN
= +2.4V,
HOLD
= open, 10kΩ from
RESET
to OUT, T
A
= -40°C to +125°C,
unless otherwise noted. Typical specifications are at T
A
= +25°C.) (Note 2)
PARAMETER
Enable Voltage
Enable Input Current
HOLD
Voltage
HOLD
Release Voltage
HOLD
Pullup Current
SET Reference Voltage
SET Input Leakage Current
Load Regulation
Power-Supply Rejection Ratio
Short-Circuit Current
Thermal-Shutdown
Temperature
Thermal-Shutdown Hysteresis
RESET CIRCUIT
MAX502_L, SET = GND
MAX502_M, SET = GND
MAX502_T, SET = GND
Reset Threshold
V
TH
MAX502_S, SET = GND
MAX5024L/T, SET = Divider
(Figure 1) (Note 4)
MAX5024M/S, SET = Divider
(Figure 1) (Note 4)
Reset Timeout Period
V
OUT
to Reset Delay
t
RP
t
RD
V
OUT
falling
140
4.50
4.25
2.970
2.805
4.625
4.375
3.052
2.887
4.75
4.50
3.135
2.970
V
SYMBOL
V
EN
I
EN
V
IL
V
IH
I
HOLD
V
SET
I
SET
ΔV
OUT
/
ΔI
OUT
PSRR
I
SC
T
J(SHDN)
ΔT
J(SHDN)
I
OUT
= 1mA to 150mA
I
OUT
= 10mA, f = 100Hz, 500mV
P-P
,
V
OUT
= +5V
V
IN
= +8V
175
CONDITIONS
EN = high, regulator on
EN = low, regulator off
V
EN
= +2.4V
V
EN
= +14V
Regulator on, EN transition from high to low
EN = low, regulator shuts off
Internally connected to OUT
I
OUT
= 10mA
1.223
V
OUT
- 0.4V
4
1.248
0.5
1
54
300
150
20
1.273
100
0.5
4
0.4
MIN
2.4
0.4
TYP
MAX
UNITS
V
µA
V
V
µA
V
nA
mV/mA
dB
mA
°C
°C
0.925 x V
OUT
0.875 x V
OUT
200
5
260
ms
µs
www.maximintegrated.com
Maxim Integrated │
3
MAX5023/MAX5024
65V, Low-Quiescent-Current, High-Voltage Linear
Regulators with μP Reset and Watchdog Timer
Electrical Characteristics (continued)
PARAMETER
SYMBOL
(V
IN
= +14V, I
OUT
= 1mA, C
IN
= 10μF, C
OUT
= 15μF, V
EN
= +2.4V,
HOLD
= open, 10kΩ from
RESET
to OUT, T
A
= -40°C to +125°C,
unless otherwise noted. Typical specifications are at T
A
= +25°C.) (Note 2)
CONDITIONS
V
OUT
≥ +1.0V, I
SINK
= 50µA,
RESET
asserted
Open-Drain
RESET
Output
Voltage (Note 5)
V
OL
V
OUT ≥ +2.85V, I
SINK
= 1.2mA,
RESET
asserted
V
OUT ≥ +4.25V, I
SINK
= 3.2mA,
RESET
asserted
Open-Drain
RESET
Output-
Leakage Current
WATCHDOG FUNCTION
Watchdog Timeout Period
WDI Pulse Width
WDI Input Voltage
WDI Input Current
Note
Note
Note
Note
Note
2:
3:
4:
5:
6:
t
WD
t
WDI
V
IL
V
IH
I
WDI
WDI = GND
2.4
-1
+1
(Note 6)
1.12
1.6
50
0.4
2.08
s
ns
V
µA
I
LKG
RESET
not asserted, V
RESET
= +11V
MIN
TYP
MAX
0.3
0.3
0.4
1.0
µA
V
UNITS
Limits at -40°C are guaranteed by characterization and not production tested.
Dropout voltage is defined as V
IN
- V
OUT
when V
OUT
is 100mV below the value of V
OUT
for V
IN
= V
OUT
+ 3V.
V
OUT
= V
SET
(1 + R1/R2) = 1.248V (1 + R1/R2).
RESET
is guaranteed to be in the correct logic state for V
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