Maxim > Products > Power and Battery Management > MAX8569, MAX8569A, MAX8569B

MAX8569, MAX8569A, MAX8569B

200mA Step-Up Converters in 6-Pin SOT23 and TDFN

Overview

Technical Documents

Ordering Info

Status

Active: In Production.

Description

The MAX8569A/MAX8569B low-quiescent-current boost regulators provide up to 200mA at output voltages up to 5.5V from a 1.5V to 5.5V input source. The built-in synchronous rectifier allows for over 90% efficiency while achieving small size and low cost by eliminating the need for an external Schottky diode.

The MAX8569A provides an adjustable output while the MAX8569B is fixed at 3.0V or 3.3V. The MAX8569B features a power-on reset output (active-low RST) to signal that the output has reached regulation. All devices connect the battery input to the output during shutdown, allowing the input battery to be used as a backup or real-time clock supply when the converter is off.

Data Sheet

Download	Rev 0	(PDF, 304kB)
E-Mail

An evaluation kit is available: MAX8569EVKIT

Key Features

Over 200mA Available Output Current
1.5V to 5.5V Input Voltage Range
BATT Connected to OUT in Shutdown for Backup Power
Up to 95% Efficiency
7µA Typical Quiescent Current
< 1µA Shutdown Supply Current
Internal Synchronous Rectifier
750mA Switch Current Limit
Active-Low RST Output (MAX8569B)
Adjustable Output Voltage (MAX8569A)
Fixed 3.0V or 3.3V Output Voltage (MAX8569B)

Applications/Uses

Battery Backup
Cordless Phones
Digital Cameras
Local 3.3V to 5V Supplies
Medical Diagnostic Equipment
PC Cards
PDAs and Smartphones

Key Specifications:

Step-Up Switching Regulators

Part Number

V_IN
(V)

V_OUT
(V)

Preset V_OUT
(V)

Max. I_OUT
(A)

Output Adjust. Method

DC-DC Outputs

Package/Pins

Smallest Available Pckg.
(mm²)

Budgetary Price

min

max

min

max

≥

≤

max w/pins

See Notes

MAX8569

1.5

5.5

1.23

5.5

3.3

0.25

Preset

Resistor

SOT/6

TDFN-EP/6

$1.52 @1k

See All Step-Up Switching Regulators (95)

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 prices and delivery, please see the price and availability page or contact an authorized distributor.

Diagram

Typical Operating Circuit

More Information

Topmark Coding	MAX8569
New Product Press Release	[ 2005-08-01 ]

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Information Index

Overview		Technical Documents		Ordering Info		Related Products
Description Key Features Applications/Uses Key Specifications Diagram Notes and Comments		Data Sheet Application Notes Evaluation Kits Product Guides Reliability Reports Software/Models		Price and Availability Samples Buy Online Package Information Lead-Free Information		Similar Products by Function Similar Products by Application Evaluation Kits Products with Similar Part Numbers Products Used With This

Document Ref.: 19-3671 Rev 0; 2005-05-10
This page last modified: 2010-01-21