MAX612CPA Maxim Integrated Products, MAX612CPA Datasheet

MAX612CPA

Manufacturer Part Number

MAX612CPA

Description

AC-to-DC Regulator (110/220VAC to 5.0VDC)

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX612CPA.pdf (12 pages)

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The MAX610/MAX611/MAX612 AC-to-DC power convert-

ers reduce the component count, size, and weight of 1/4

watt power supplies, thus minimizing the overall cost and

simplifying designs. With an 8V

MAX610 needs only a single filter capacitor to make a

complete 5V, 50mA power supply. With the addition of a

current-limiting resistor and a current-limiting capacitor, the

MAX610 connects directly to the 110VAC or 220VAC

power line to make a minimum component count

110/220VAC to 5VDC power supply.

The devices in the MAX610 family differ in three respects:

full- or half-wave rectification, 12V or 18V zener voltage,

and the assignment of pin 4 to the function of setting the

output voltage or setting the time delay. The MAX610 has

a full-wave rectifier, a 12V zener, and the output voltage is

either the internally preset +5V or user adjustable from

+1.3V to +9V. The MAX611 has a half-wave rectifier, a 12V

zener, a fixed +5V output, and pin 4 controls the time delay

of the reset output. The MAX612 has a full-wave rectifier,

an 18V zener, and the output voltage is either the internally

preset +5V or user adjustable from +1.3V to +15V

The low-cost MAX610 family is ideal for applications where

the size, weight, and component count of 1/4 watt power

supplies must be reduced. Reliable power-up reset and

over/undervoltage detection make these devices well suited

for microprocessor-based controllers.

________________________Applications

19-0914; Rev 1; 12/94

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

__________Typical Operating Circuit

_______________General Description

110/220VAC

INPUT

Minimum-Component-Count Power Supplies

Uninterruptible 5V Power Supplies

Precision Battery Chargers

Line-Powered Appliances

Industrial Controls

Off-Line Instruments

Triac Output Power Controllers

________________________________________________________________ Maxim Integrated Products

AC1

AC2

SET

V-

MAX610

V+

SENSE

RMS

OUV

OUT

input voltage, the

+12V DC

OUTPUT

+5V DC

OUTPUT

TO P

RESET

(110/220VAC to 5.0VDC)

____________________________Features

_________________Pin Configurations

______________Ordering Information

MAX610CPA

MAX610CSA

MAX611CPA

MAX611CSA

MAX612CPA

MAX612CSA

Direct 110/220VAC to 5VDC Conversion

Minimum External Component Count

Output Voltage Preset to 5V ±4%

70µA Typical Quiescent Current

Over/Undervoltage Detection

Power-Up Reset Circuit with Programmable Delay

Programmable Current Limiting

Programmable Output Voltage: 1.3V to 15V

TOP VIEW

PART

AC-to-DC Regulator

OUV

N.C.

OUV

AC2

SET

V-

TEMP. RANGE

0°C to +70°C

DIP/SO

MAX610

MAX612

MAX611

8 Plastic DIP

8 SO

8 Plastic DIP

8 SO

8 Plastic DIP

8 SO

PIN-PACKAGE

V+

AC1

V+

AC1

OUT

SENSE

OUT

SENSE

Related parts for MAX612CPA

MAX612CPA Summary of contents

Page 1

... Typical Quiescent Current Over/Undervoltage Detection Power-Up Reset Circuit with Programmable Delay Programmable Current Limiting Programmable Output Voltage: 1.3V to 15V ______________Ordering Information PART MAX610CPA MAX610CSA MAX611CPA MAX611CSA MAX612CPA MAX612CSA _________________Pin Configurations TOP VIEW +5V DC OUT OUTPUT TO P OUV RESET +12V DC OUTPUT AC-to-DC Regulator TEMP ...

Page 2

AC-to-DC Regulator (110/220VAC to 5.0VDC) ABSOLUTE MAXIMUM RATINGS Operating Temperature Range...............................0°C to +70°C Maximum Junction Temperature ....................................+125°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10sec) .............................+300°C Power Dissipation at +70°C Input Current MAX611 AC1, V-: 250µs non-repetitive pulse ...

Page 3

ELECTRICAL CHARACTERISTICS (continued +25° 10V 0Ω SENSE PARAMETER SYMBOL Overvoltage Detection Voltage Undervoltage Detection Voltage OUV Output Leakage OUV Output Voltage Reset Time Delay Reset Pin Threshold ______________________________________________________________Pin Description PIN NAME AC2 ...

Page 4

AC-to-DC Regulator (110/220VAC to 5.0VDC) _____________________________________________________________Block Diagrams OVER/UNDER V+ VOLTAGE DETECTOR AC1 V- SERIES * REGULATOR AC2 * 12.4V ZENER IN MAX610 18.6V ZENER IN MAX612 Figure 1. MAX610/MAX612 Block Diagram _______________Typical Applications Simple Line-Powered 5V Supply Figure 3 shows ...

Page 5

C1* R1* 2 150V 1/2W RMS 7 AC1 1M 117VAC 60Hz 1 MAX611 N.C. AC2 4 RD N.C. * FOR 220VAC, 50Hz INPUT 100 , 1.8 F, 280V RMS * FOR ...

Page 6

AC-to-DC Regulator (110/220VAC to 5.0VDC) R1* C1* 47 0.5 F 1/2W 7 AC1 117VAC SENSE 1 MAX610 V AC2 1 OUT Figure 7. Adjustable Output Voltage ...

Page 7

V+ +6V +1.5V MOMENTARILY 4.65V V OUT 0V OFF (OPEN) OUV ON (SINKING CURRENT) Figure 9b. Power-Up Reset Delay Polarity Insensitive Battery-Powered Supply Figure 12 shows a +5V power supply that works even if the battery is installed backwards: ...

Page 8

AC-to-DC Regulator (110/220VAC to 5.0VDC 175V RMS 1/ AC1 OUT 1M V 117VAC SENSE 60Hz 1 MAX610 AC2 OUV 4 V SET 16V Figure 11. Uninterruptible 5V ...

Page 9

Table 1. Design Formulas FORMULA 4 rounded OUT SET OUT OUT MAX ( ) RMS ...

Page 10

AC-to-DC Regulator (110/220VAC to 5.0VDC) ___Cautions and Application Hints 1) Unless driven by a transformer, the 5V output of the MAX610/MAX611/MAX612 is NOT ISOLATED from the power line, and all circuitry connected to the MAX610/MAX611/MAX612 should be treated as if ...

Page 11

Information ______________________________________________________________________________________ (110/220VAC to 5.0VDC 0° - 15° Plastic DIP PLASTIC DUAL-IN-LINE PACKAGE (0.300 in.) AC-to-DC Regulator INCHES MILLIMETERS DIM MIN MAX MIN A – ...

Page 12

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © 1994 Maxim Integrated Products ...

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