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MAX15032

500kHz, 36V Output, 600mW PWM Step-Up DC-DC Converter

Small, 2.7V to 11V Boost Converter Delivers Over 600mW of Power in a TDFN Package

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Overview

Description

The MAX15032 constant-frequency, pulse-width-modulating (PWM), low-noise boost converter is intended for low-voltage systems that need a locally generated high voltage. This device is capable of generating low-noise, high output voltages, with an output power capability up to 600mW with a 2.9V input voltage. This device can be used for a wide variety of applications, such as PIN or varactor diode biasing and LCD displays. The MAX15032 operates from +2.7V to +11V.

The constant-frequency (500kHz), current-mode PWM architecture provides low-noise output voltage that is easy to filter. A high-voltage internal lateral DMOS power switch allows this device to boost output voltages up to 36V. The MAX15032 features a shutdown mode to save power.

The MAX15032 is available in a small thermally enhanced 3mm x 3mm 8-pin TDFN package and is specified for operation over the -40°C to +125°C automotive temperature range.

MAX15032: Typical Operating Circuit

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Key Features

Input Voltage Range
- +2.7V to +5.5V (Using Internal Charge Pump)
- +5.5V to +11V
Wide Adjustable Output Voltage Range: (V_IN + 1V) to 36V
Output Power: ≥ 600mW for V_IN ≥ 2.9V
Internal 0.5Ω (typ), 40V Switch
Constant PWM Frequency Provides Easy Filtering in Low-Noise Applications
500kHz (typ) Switching Frequency
0.5µA (max) Shutdown Current
Internal Soft-Start
Small Thermally Enhanced 3mm x 3mm 8-Pin TDFN Package

Applications/Uses

Avalanche Photodiode Biasing
LCD Displays
Low-Noise Varactor Diode Bias Supplies
PIN Diode Bias Supplies
STB Audio IC Supplies

Parametric Specs

Part Number

V_IN
(V)

V_OUT1
(V)

I_OUT1
(A)

Output Adjust. Method

Switch Type

I_CC
(mA)

Shutdown Mode Supply Current
(µA)

DC-DC Outputs

Oper. Freq.
(kHz)

Package/Pins

Budgetary
Price

min

max

min

max

typ

max

See Notes

MAX15032

2.7

0.07

Resistor

Internal

0.5

500

TDFN/8

$1.15 @1k

See All Step-Up Switching Regulators (94)

Pricing Notes:

This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Design Resources

MAX15032EVKIT: Evaluation Kit for the MAX15032

Quality and Environmental Data

Product Reliability Reports: MAX15032.pdf
Lead-Free Package Tin (Sn) Whisker Reports

CAD Symbols and Footprints

MAX15032ATA+

MAX15032ATA+T

Quality And Environmental

Device	Fab Process	Technology	Sample size	Rejects	FIT at 25°C	FIT at 55°C

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

Quality Management System >
Environmental Management System >

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