MAX1677 datasheet(7/16 Pages) MAXIM

Part #	MAX1677

Description	Compact, High-Efficiency, Dual-Output Step-Up and LCD Bias DC-DC Converter

PDF	16 Pages

Scroll/Zoom	100%

Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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7 / 16 page

Compact, High-Efficiency, Dual-Output

Step-Up and LCD Bias DC-DC Converter

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1V/

div

VOUT

VIN

50mV/

div

5ms/div

MAIN BOOST CONVERTER

LINE TRANSIENT

MAX1677-16

VIN = 2V TO 3V, VOUT = 3.3V,

ILOAD = 150mA

1V/

div

VLCD

VIN

50mV/

div

5ms/div

LCD LINE TRANSIENT

(VLCD = +12V)

MAX1677-17

VIN = 2V TO 3V, VLCD = +12V,

IOUT = 5mA

1V/

div

VOUT

1V/

div

500

µs/div

MAIN BOOST CONVERTER

STARTUP DELAY

MAX1677-19

VIN = 2.4V, VOUT = 3.3V,

ILOAD = 10mA

Typical Operating Characteristics (continued)

(Circuits of Figures 2 and 3, TA = +25°C, unless otherwise noted.)

2V/

div

VLCD

LCDON

10V/

div

10ms/div

LCD STARTUP DELAY

MAX1677-20

VIN = 2.4V, VLCD = -20V,

IOUT = 5mA

1V/

div

VLCD

VIN

50mV/

div

5ms/div

LCD LINE TRANSIENT

(VLCD = -20V)

MAX1677-18

VIN = 2V TO 3V, VLCD = -20V,

IOUT = 5mA

MAX1677 Datasheet(PDF) 7 Page - Maxim Integrated Products

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