LT346M, LT3470, LT3470AEDDB Selling Leads, Datasheet
MFG:LINEAR Package Cooled:SSOP12 D/C:08+
LT346M, LT3470, LT3470AEDDB Datasheet download
Part Number: LT346M
MFG: LINEAR
Package Cooled: SSOP12
D/C: 08+
LT346M, LT3470, LT3470AEDDB
- Table of contents:
Info of LT346M
Info of LT3470
Info of LT3470AEDDB
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About LT30030-2
PDF/DataSheet Download
Datasheet: LT30030-2
File Size: 538993 KB
Manufacturer: LITTELFUSE [Littelfuse]
Download : Click here to Download
About LT3470
PDF/DataSheet Download
Datasheet: LT3470
File Size: 204265 KB
Manufacturer: Linear
Download : Click here to Download
About LT30030-2
PDF/DataSheet Download
Datasheet: LT30030-2
File Size: 538993 KB
Manufacturer: LITTELFUSE [Littelfuse]
Download : Click here to Download
LT3470 General Description
The LT®3470 is a micropower step-down DC/DC converter that integrates a 300mA power switch, catch diode and boost diode into a low profile (1mm) ThinSOTTM package. The LT3470 combines Burst Mode and continuous operation to allow the use of tiny inductor and capacitors while providing a low ripple output to loads of up to 200mA.
With its wide input range of 4V to 40V, the LT3470 can regulate a wide variety of power sources, from 2-cell Li-Ion batteries to unregulated wall transformers and leadacid batteries. Quiescent current in regulation is just 26µA in a typical application while a zero current shutdown mode disconnects the load from the input source, simplifying power management in battery-powered systems. Fast current limiting and hysteretic control protects the LT3470 and external components against shorted outputs, even at 40V input.
LT3470 Maximum Ratings
VIN, SHDN Voltage .................................................. 40V
BOOST Pin Voltage ................................................. 47V
BOOST Pin Above SW Pin ...................................... 25V
FB Voltage ................................................................ 5V
BIAS Voltage ............................................................ 25V
SW Voltage ................................................................VIN
Maximum Junction Temperature ......................... 125°C
Operating Temperature Range (Note 2) .. 40°C to 85°C
Storage Temperature Range ................. 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
BOOST Pin Voltage ................................................. 47V
BOOST Pin Above SW Pin ...................................... 25V
FB Voltage ................................................................ 5V
BIAS Voltage ............................................................ 25V
SW Voltage ................................................................VIN
Maximum Junction Temperature ......................... 125°C
Operating Temperature Range (Note 2) .. 40°C to 85°C
Storage Temperature Range ................. 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
LT3470 Features
Low Quiescent Current: 26µA at 12VIN to 3.3VOUT
Integrated Boost and Catch Diodes
Input Range: 4V to 40V
Low Output Ripple: <10mV
<1µA in Shutdown Mode
Output Voltage: 1.25V to 16V
200mA Output Current
Hysteretic Mode Control
Low Ripple Burst Mode® Operation at Light Loads
Continuous Operation at Higher Loads
Solution Size as Small as 50mm2
Low Profile (1mm) ThinSOT Package
Integrated Boost and Catch Diodes
Input Range: 4V to 40V
Low Output Ripple: <10mV
<1µA in Shutdown Mode
Output Voltage: 1.25V to 16V
200mA Output Current
Hysteretic Mode Control
Low Ripple Burst Mode® Operation at Light Loads
Continuous Operation at Higher Loads
Solution Size as Small as 50mm2
Low Profile (1mm) ThinSOT Package
LT3470 Typical Application
Automotive Battery Regulation
Power for Portable Products
Distributed Supply Regulation
Industrial Supplies
Wall Transformer Regulation
Power for Portable Products
Distributed Supply Regulation
Industrial Supplies
Wall Transformer Regulation
LT3470 Connection Diagram
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