LTC3202EDD#PBF datasheet, PDF - EEWORLD Datasheet

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LTC3202EDD#PBF: DescriptionLED Driver 6 Segment 5000uA Supply Current 10-Pin DFN EP Tube; File Size241KB，12 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LTC3202EDD#PBF Overview

LED Driver 6 Segment 5000uA Supply Current 10-Pin DFN EP Tube

LTC3202EDD#PBF Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
Number of Segments	6
Minimum Operating Supply Voltage (V)	2.7
Maximum Operating Supply Voltage (V)	4.5
Typical Operating Supply Voltage (V)	3.3
Maximum Supply Current (uA)	5000
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Supplier Temperature Grade	Extended
Packaging	Tube
Standard Package Name	DFN
Pin Count	10
Supplier Package	DFN EP
Mounting	Surface Mount
Package Height	0.75(Max)
Package Length	3
Package Width	3
PCB changed	10
Lead Shape	No Lead

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LTC3202

Low Noise, High Efficiency

Charge Pump for White LEDs

FEATURES

DESCRIPTIO

Low Noise Constant Frequency Operation

25% Less Input Current Than Doubler Charge Pump

High Output Current: Up To 125mA

Small Application Circuit

Regulated Output Voltage or Current

Automatic Soft-Start

Range: 2.7V to 4.5V

No Inductors

1.5MHz Switching Frequency

< 1µA in Shutdown

Available in 10-Pin MSOP and 3mm

3mm

DFN Packages

The LTC

3202 is a low noise, constant frequency charge

pump DC/DC converter that uses fractional conversion to

increase efficiency in white LED applications. The part can

be used to produce a regulated voltage or current of up to

125mA from a 2.7V to 4.5V input. Low external parts count

(two flying capacitors and two small bypass capacitors at

and V

OUT

) make the LTC3202 ideally suited for small,

battery-powered applications.

An internal 2-bit DAC allows LED current to be adjusted for

LED brightness control. The LTC3202 also has thermal

shutdown protection and can survive a continuous short-

circuit from V

OUT

to GND. Built-in soft-start circuitry

prevents excessive inrush current during start-up. High

switching frequency enables the use of small external

capacitors. A low current shutdown feature disconnects

the load from V

and reduces quiescent current to less

than1µA.

The LTC3202 is available in the 10-pin MSOP and 3mm

3mm DFN packages.

, LTC and LT are registered trademarks of Linear Technology Corporation.

APPLICATIO S

White LED Backlighting

Programmable Boost Current Source

TYPICAL APPLICATIO

1µF

Programmable White LED Power Supply

Input and Output Ripple

(AC COUPLED)

20mV/DIV

CURRENT

PROGRAMMING

3V TO 4.5V

1µF

–

OUT

0mA TO 125mA

TOTAL CURRENT

LTC3202

GND

5, 11

1µF

36Ω

OUT

(AC COUPLED)

20mV/DIV

500ns/DIV

= 3.6V

= C

OUT

= 1µF

OUT

= 60mA

3202 G09

C1, C2, C3, C4 = MURATA GRM 39X5R105K6.3 OR TAIYO YUDEN JMK107BJ105MA

3202 TA01

3202fa

LTC3202EDD#PBF Related Products

	LTC3202EDD#PBF	LTC3202EDD#TRPBF	LTC3202EDD	LTC3202EMS#PBF	LTC3202EMS#TRPBF
Description	LED Driver 6 Segment 5000uA Supply Current 10-Pin DFN EP Tube	LED Driver 6 Segment 5000uA Supply Current 10-Pin DFN EP T/R	LED Driver 6 Segment 5000uA Supply Current 10-Pin DFN EP	LED Driver 5000uA Supply Current 10-Pin MSOP Tube	LED Driver 5000uA Supply Current 10-Pin MSOP T/R
EU restricts the use of certain hazardous substances	Compliant	Compliant	Not Compliant	Compliant	Compliant
ECCN (US)	EAR99	EAR99	EAR99	EAR99	EAR99
Part Status	Active	Active	Unconfirmed	Active	Active
Number of Segments	6	6	6	6	6
Minimum Operating Supply Voltage (V)	2.7	2.7	2.7	2.7	2.7
Maximum Operating Supply Voltage (V)	4.5	4.5	4.5	4.5	4.5
Typical Operating Supply Voltage (V)	3.3	3.3	3.3	3.3	3.3
Maximum Supply Current (uA)	5000	5000	5000	5000	5000
Minimum Operating Temperature (°C)	-40	-40	-40	-40	-40
Maximum Operating Temperature (°C)	85	85	85	85	85
Supplier Temperature Grade	Extended	Extended	Extended	Extended	Extended
Standard Package Name	DFN	DFN	DFN	MSOP	MSOP
Pin Count	10	10	10	10	10
Supplier Package	DFN EP	DFN EP	DFN EP	MSOP	MSOP
Mounting	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package Height	0.75(Max)	0.75(Max)	0.75(Max)	0.86	0.86
Package Length	3	3	3	3	3
Package Width	3	3	3	3	3
PCB changed	10	10	10	10	10
Lead Shape	No Lead	No Lead	No Lead	Gull-wing	Gull-wing
HTS	8542.39.00.01	8542.39.00.01	-	8542.39.00.01	8542.39.00.01
Packaging	Tube	Tape and Reel	-	Tube	Tape and Reel

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