LTC3202, LTC3202(LABBJ028), LTC3202(LABBJ069) Selling Leads, Datasheet
MFG:N/A Package Cooled:N A D/C:N/A
LTC3202, LTC3202(LABBJ028), LTC3202(LABBJ069) Datasheet download
Part Number: LTC3202
MFG: N/A
Package Cooled: N A
D/C: N/A
LTC3202, LTC3202(LABBJ028), LTC3202(LABBJ069)
- Table of contents:
Info of LTC3202
Info of LTC3202(LABBJ028)
Info of LTC3202(LABBJ069)
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About LTC3202
PDF/DataSheet Download
Datasheet: LTC3202
File Size: 183244 KB
Manufacturer: Linear
Download : Click here to Download
About LTC0157
PDF/DataSheet Download
Datasheet: LTC0157
File Size: 163926 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About LTC0157
PDF/DataSheet Download
Datasheet: LTC0157
File Size: 163926 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
LTC3202 General Description
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 VIN and VOUT) 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 shortcircuit from VOUT 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 VIN and reduces quiescent current to less than1A.
The LTC3202 is available in the 10-pin MSOP and 3mm* 3mm DFN packages.
LTC3202 Maximum Ratings
VIN, VOUT to GND ........................................... 0.3V to 6V
D0, D1 ................................................0.3V to VIN + 0.3V
VOUT Short-Circuit Duration ............................... Indefinite
IOUT (Note 2).......................................................... 150mA
Operating Temperature Range (Note 3) ......40 to 85
Storage Temperature Range .....................65 to 150
Lead Temperature (Soldering, 10 sec)..................... 300
D0, D1 ................................................0.3V to VIN + 0.3V
VOUT Short-Circuit Duration ............................... Indefinite
IOUT (Note 2).......................................................... 150mA
Operating Temperature Range (Note 3) ......40 to 85
Storage Temperature Range .....................65 to 150
Lead Temperature (Soldering, 10 sec)..................... 300
LTC3202 Features
`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
` VIN Range: 2.7V to 4.5V
` No Inductors
` 1.5MHz Switching Frequency
` ICC < 1A in Shutdown
` Available in 10-Pin MSOP and 3mm * 3mm DFN Packages
` 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
` VIN Range: 2.7V to 4.5V
` No Inductors
` 1.5MHz Switching Frequency
` ICC < 1A in Shutdown
` Available in 10-Pin MSOP and 3mm * 3mm DFN Packages
LTC3202 Typical Application
· White LED Backlighting
· Programmable Boost Current Source
· Programmable Boost Current Source
LTC3202 Connection Diagram
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