MAX604CPA+ by Analog Devices

5V/3.3V or Adjustable, Low-Dropout, Low-IQ, 500mA Linear Regulators


The MAX603/MAX604 low-dropout, low quiescent current, linear regulators supply 5V, 3.3V, or an adjustable output for currents up to 500mA. They are available in a 1.8W SO package. Typical dropouts are 320mV at 5V and 500mA, or 240mV at 3.3V and 200mA. Quiescent currents are 15µA typ and 35µA max. Shutdown turns off all circuitry and puts the regulator in a 2µA off mode. A unique protection scheme limits reverse currents when the input voltage falls below the output. Other features include foldback current limiting and thermal overload protection. The output is preset at 3.3V for the MAX604 and 5V for the MAX603. In addition, both devices employ Dual Mode™ operation, allowing user-adjustable outputs from 1.25V to 11V using external resistors. The input voltage supply range is 2.7V to 11.5V. The MAX603/MAX604 feature a 500mA P-channel MOSFET pass transistor. This transistor allows the devices to draw less than 35µA over temperature, independent of the output current. The supply current remains low because the P-channel MOSFET pass transistor draws no base currents (unlike the PNP transistors of conventional bipolar linear regulators). Also, when the input-to-output voltage differential becomes small, the internal P-channel MOSFET does not suffer from excessive base current losses that occur with saturated PNP transistors.

Where to Buy

Prices starting from US$1.80

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Schukat Electronic
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Features

500mA Output Current, with Foldback Current Limiting
High-Power (1.8W) 8-Pin SO Package
Dual Mode™ Operation: Fixed or Adjustable Output from 1.25V to 11V
Large Input Range (2.7V to 11.5V)
Internal 500mA P-Channel Pass Transistor
15µA Typical Quiescent Current
2µA (Max) Shutdown Mode
Thermal Overload Protection
Reverse-Current Protection

Specifications

VIN (V) (min) 2.7
VIN (V) (max) 11.5
Adj. VOUT (V) (min) 1.3
Adj. VOUT (V) (max) 11.5
Rated ILOAD (mA) 500
Preset VOUT (V) 3.3
# Regulators 1
VDROPOUT @Rated ILOAD (V) (typ) 0.6
ICC (µA) (max) 35
Low Batt./ Pwr. Fail Out No
Watchdog No
Reverse Batt. Protect. No
Oper. Temp. (°C) -40 to +850 to +70
Package/Pins PDIP/8SOIC (N)/8
BudgetaryPrice (See Notes) 2.07


MAX604CPA+ Power Management ICs - PMIC by Analog Devices

LDO FIXED/ADJ 3.3V/1.25V-11V DIP-8

Status: Unknown
Series: 3.3V 0.5A LDO Voltage Regulators
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Output Type Fixed
Input Voltage Min 2.7V
Input Voltage Max 11.5V
Fixed Output Voltage Nom. 3.3V
Adjustable Output Voltage Min 1.25V
Adjustable Output Voltage Max 3.45V
Output Current 500mA
Dropout Voltage Vdo 600mV
LDO Regulator Case Style DIP
No. of Pins 8Pins
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Product Range 3.3V 0.5A LDO Voltage Regulators
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL -
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

5V/3.3V or Adjustable, Low-Dro | Analog Devices
Ldo, Fixed/Adj, 3.3V/1.25V-11V, Dip-8 | Newark Electronics
LDO, FIXED/ADJ, 3.3V/1.25V-11V, DIP-8 | element14
MAX604CPA+, LDV Regulators | RS
LDO U-Reg Adj/+3,3V 500mA DIP8 | Schukat Electronic

Frequently Asked Questions

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Is the MAX604CPA+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX604CPA+ have stock available?

Authorised distributors including Analog Devices, CoreStaff, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX604CPA+ .

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