MAX15027ATB+T by Analog Devices

1.425V to 3.6V Input, 1A Low-Dropout Regulators with BIAS Input


The MAX15027/MAX15028 low-dropout linear regulators operate from input voltages as low as 1.425V and deliver up to 1A of continuous output current with a typical dropout voltage of only 75mV. The output voltage is adjustable from 0.5V to VIN and is ±2% accurate over load and line variations, from -40°C to +125°C. The MAX15028 features a BIAS input of 3V to 5.5V from an always-on power supply. The BIAS input current is reduced down to less than 2µA during shutdown. These regulators use small, 1µF ceramic input capacitors and 4.7µF ceramic output capacitors to deliver 1A output current. High bandwidth provides excellent transient response and limits the output voltage deviation to 15mV for a 500mA load step, with only a 4.7µF ceramic output capacitor, and the voltage deviations can be reduced further by increasing the output capacitor. These devices offer a logic-controlled shutdown input to reduce input current (IIN) consumption down to less than 5.5µA in standby mode. Other features include a soft-start to reduce inrush current, short-circuit protection, and thermal-overload protection. The MAX15028 features a BIAS input allowing a secondary supply to keep the LDO's internal circuitry alive if the voltage on IN goes to 0V. Both devices are fully specified from -40°C to +125°C and are available in a 10-pin thermally enhanced TDFN package (3mm x 3mm) that includes an exposed pad for optimal power dissipation. For a 500mA version of these LDOs, refer to the MAX15029/MAX15030 data sheet.

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Prices starting from US$1.71

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Features

1.425V to 3.6V Input Voltage Range
Output Voltage Programmable from 0.5V to VIN
Guaranteed Maximum 225mV Dropout at 1A Output Current
±2% Output Accuracy Over Load, Line, and Temperature
Stable with Ceramic Capacitors
Fast Transient Response
60µA Operating Bias Supply Current (MAX15028)
1.2µA Shutdown Bias Supply Current (MAX15028)
Short-Circuit and Thermal Protection
-40°C to +125°C Operating Temperature Range
Soft-Start Limits Inrush Current
Thermally Enhanced 3mm x 3mm TDFN Package
AEC-Q100 Qualified

Specifications

VIN (V) (min) 1.425
VIN (V) (max) 3.6
Adj. VOUT (V) (min) 0.5
Adj. VOUT (V) (max) 3.3
Rated ILOAD (mA) 1000
# Regulators 1
VDROPOUT @Rated ILOAD (V) (typ) 0.075
ICC (µA) (max) 410
Low Batt./ Pwr. Fail Out No
Watchdog No
Reverse Batt. Protect. No
Oper. Temp. (°C) -40 to +125
Package/Pins TDFN/10
BudgetaryPrice (See Notes) 1.31


MAX15027ATB+T Power Management ICs - PMIC by Analog Devices

LDO ADJ 1A 0.5V TO 3.3V TDFN-10

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Output Type Adjustable
Input Voltage Min 1.425V
Input Voltage Max 3.6V
Fixed Output Voltage Nom. -
Adjustable Output Voltage Min 500mV
Adjustable Output Voltage Max 3.3V
Output Current 1A
Dropout Voltage Vdo 75mV
LDO Regulator Case Style TDFN
No. of Pins 10Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Output Voltage Max 3.3V
Output Voltage Min 500mV

Alternative Descriptions

Ldo, Adj, 0.5-3.3V, 1A, Tdfn-10 | Newark Electronics
LDO, ADJ, 1A, 0.5V TO 3.3V, TDFN-10 | element14
1.425V to 3.6V Input, 1A Low-D | Analog Devices

Frequently Asked Questions

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Is the MAX15027ATB+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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