MAX5024TASA+ by Analog Devices

65V, Low-Quiescent-Current, High-Voltage Linear Regulators with µP Reset and Watchdog Timer


The MAX5023/MAX5024 high-voltage linear regulators operate from a +6.5V to +65V input voltage and deliver up to 150mA of output current. These devices consume only 60µA of quiescent current with no load and withstand a -60V reverse-battery voltage at the input. The MAX5023/MAX5024 include an active-low internal microprocessor (µP) reset circuit that asserts when the regulator output drops below the preset output voltage threshold by 7.5% or 12.5%, depending on the device selected. Both devices are available with a fixed +3.3V or +5V output. These devices are short-circuit protected and include thermal shutdown. In addition to an enable input to turn on or off the regulator, the MAX5023/MAX5024 include an active-low HOLD input that allows for the implementation of a self-holding circuit without requiring external components. Setting active-low HOLD low after enabling the regulator, forces the regulator to remain on even if EN is subsequently set low. Releasing active-low HOLD shuts down the regulator. The MAX5023 includes a watchdog input that monitors a pulse train from the µP and generates reset pulses if the watchdog input remains high or low for a duration longer than the 1.6s watchdog timeout period. The MAX5024 includes a SET input which, when connected to ground, selects a preset output voltage of +3.3V (MAX5024S/MAX5024T) or +5V (MAX5024L/MAX5024M). Set the adjustable output voltage by connecting SET to the regulator's output through a resistive-divider network. The MAX5023/MAX5024 operate over the automotive temperature range (-40°C to +125°C) and are available in a thermally enhanced, surface-mount 8-pin SO-EP package.

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Prices starting from US$2.52

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Features

Wide Operating Input Voltage Range +6.5V to +65V
Thermally Enhanced 8-Pin SO Package with Exposed Pad Dissipates 1.5W
Guaranteed 150mA Output Current
60µA No-Load Supply Current
-60V Reverse-Battery Protection
Preset +3.3V or +5.0V Output Voltage
Thermal and Short-Circuit Protection
Operate Over -40°C to +125°C Temperature Range
Integrated µP Reset Circuit
Watchdog Timer with 1.6s Timeout Period (MAX5023)
Regulator Enable and Hold Inputs Implement Self-Holding Circuit
SET Input for Adjustable Output Voltage (MAX5024)

Specifications

VIN (V) (min) 6.5
VIN (V) (max) 65
Adj. VOUT (V) (min) 2.5
Adj. VOUT (V) (max) 11
Rated ILOAD (mA) 150
Preset VOUT (V) 5
# Regulators 1
VDROPOUT @Rated ILOAD (V) (typ) 0.9
ICC (µA) (max) 140
Low Batt./ Pwr. Fail Out No
POK/Reset Thresh. (V) (nom) Vout-12.5%Vout-7.5%
Watchdog No
Reverse Batt. Protect. Yes
Oper. Temp. (°C) -40 to +85-40 to +1250 to +700 to +85
Package/Pins SOIC (N)/8
BudgetaryPrice (See Notes) 1.89


MAX5024TASA+ Power Management ICs - PMIC by Analog Devices

LDO FIXED 3.3V 0.15A NSOIC-8

Status: Unknown
Series: 3.3V 150mA LDO Voltage Regulators
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Output Type Fixed
Input Voltage Min 6.5V
Input Voltage Max 65V
Fixed Output Voltage Nom. 3.3V
Adjustable Output Voltage Min -
Adjustable Output Voltage Max -
Output Current 150mA
Dropout Voltage Vdo -
LDO Regulator Case Style NSOIC
No. of Pins 8Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range 3.3V 150mA LDO Voltage Regulators
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Output Voltage Nom. 3.3V

Alternative Descriptions

65V, Low-Quiescent-Current, Hi | Analog Devices
Ldo, Fixed, 3.3V, 0.15A, Nsoic-8 | Newark Electronics
LDO, FIXED, 3.3V, 0.15A, NSOIC-8 | element14

Frequently Asked Questions

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Is the MAX5024TASA+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX5024TASA+ .

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