LTC3200
LTC3200
PRODUCTIONLow Noise, Regulated Charge Pump DC/DC Converters
- Part Models
- 4
- 1ku List Price
- Starting From $2.77
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Overview
- Low Noise Constant Frequency Operation
- Output Current: 100mA
- Fixed 5V ±4% Output (LTC3200-5) or ADJ
- VIN Range: 2.7V to 4.5V
- Automatic Soft-Start Reduces Inrush Current
- 2MHz Switching Frequency
- No Inductors
- ICC < 1µA in Shutdown
- Available in 8-Pin MSOP (LTC3200) and Low Profile (1mm) 6-Pin ThinSOT™ (LTC3200-5) Packages
The LTC3200/LTC3200-5 are low noise, constant frequency switched capacitor voltage doublers. They produce a regulated output voltage from a 2.7V to 4.5V input with up to 100mA of output current. Low external parts count (one flying capacitor and two small bypass capacitors at VIN and VOUT) make the LTC3200/LTC3200-5 ideally suited for small, battery-powered applications.
A new charge-pump architecture maintains constant switching frequency to zero load and reduces bith output and input ripple. The LTC3200/LTC3200-5 have thermal shutdown capability and can survive a continuous short-circuit from VOUT to GND. Built-in soft-start circuitry prevents excessive inrush curreent during start-up.
High switching frequency enables the use of small ceramic capacitors. A low current shutdown feature disconnects the load from VIN and reduces quiescent current to <1µA.
The LTC3200 is available in an 8-pin MSOP package and the LTC3200-5 is available in a 6-pin SOT-23.
Applications
- Li-Ion Battery Backup Supplies
- Local 3V to 5V Conversion
- Smart Card Readers
- PCMCIA Local 5V Supplies
- White LED Backlighting
Documentation
Data Sheet 1
User Guide 1
Design Note 1
Technical Articles 1
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.
| Part Model | Pin/Package Drawing | Documentation | CAD Symbols, Footprints, and 3D Models |
|---|---|---|---|
| LTC3200EMS8#PBF | 8-Lead MSOP | ||
| LTC3200EMS8#TRPBF | 8-Lead MSOP | ||
| LTC3200ES6-5#TRMPBF | 6-Lead TSOT-23 | ||
| LTC3200ES6-5#TRPBF | 6-Lead TSOT-23 |
| Part Models | Product Lifecycle | PCN |
|---|---|---|
|
Feb 3, 2020 - 20_0128 Laser Top Mark for 8 Lead MSOP Packages Assembled in ADPG and UTAC |
||
| LTC3200EMS8#PBF | PRODUCTION | |
| LTC3200EMS8#TRPBF | PRODUCTION | |
This is the most up-to-date revision of the Data Sheet.
Software Resources
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Tools & Simulations
LTspice
Models for the following parts are available in LTspice:
- LTC3200
- LTC3200-5
LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.
