Quick Detail:
Low Noise Regulated Charge Pump in 2 X 2 DFN
Description:
The LTC®3204-3.3/LTC3204-5/LTC3204B-3.3/LTC3204B-5 are low noise, constant frequency (1.2MHz) switched capacitor voltage doublers. The LTC3204-3.3/LTC3204B-3.3 can produce a regulated output voltage of 3.3V from a minimum input voltage of 1.8V (2 alkaline cells) whereas the LTC3204-5/LTC3204B-5 can produce 5V from a minimum of 2.7V (Li-Ion battery) input.
LTC3204-3.3/LTC3204-5 feature automatic Burst Mode® operation at light loads to maintain low supply current whereas LTC3204B-3.3/LTC3204B-5 feature constant frequency operation at any load. Built-in soft-start circuitry prevents excessive inrush current during start-up. Thermal shutdown and current-limit circuitry allow the parts to survive a continuous short-circuit from VOUT to GND.
High switching frequency minimizes overall solution footprint by allowing the use of tiny ceramic capacitors. In shutdown, the load is disconnected from the input and the quiescent current is reduced to <1µA. The LTC3204-3.3/LTC3204-5/LTC3204B-3.3/LTC3204B-5 are available in a low proï¬le (0.75mm) 6-lead 2mm × 2mm DFN package.
Applications:
â– Fixed 3.3V or 5V Outputs
â– VIN Range:
1.8V to 4.5V (LTC3204-3.3/LTC3204B-3.3)
2.7V to 5.5V (LTC3204-5/LTC3204B-5)
â– Output Current:
Up to 150mA (LTC3204-5/LTC3204B-5)
Up to 50mA (LTC3204-3.3/LTC3204B-3.3)
â– Automatic Burst Mode® Operation with IQ = 48µA
(LTC3204-3.3/LTC3204-5)
â– Constant Frequency Operation at All Loads
(LTC3204B-3.3/LTC3204B-5)
â– Low Noise Constant Frequency (1.2MHz) Operation*
â– Built-In Soft-Start Reduces Inrush Current
â– Shutdown Disconnects Load from Input
â– Shutdown Current <1µA
â– Short-Circuit/Thermal Protection
â– Available in Low Proï¬le 6-Lead DFN Package
Specifications:
|
Datasheets |
LTC3204-3.3/-5/B-3.3/B-5 |
|
Product Photos |
6-DFN |
|
Standard Package |
500 |
|
Category |
Integrated Circuits (ICs) |
|
Family |
PMIC - Voltage Regulators - DC DC Switching Regulators |
|
Series |
- |
|
Packaging |
Tape & Reel (TR) |
|
Type |
Switched Capacitor (Charge Pump), Doubler |
|
Output Type |
Fixed |
|
Number of Outputs |
1 |
|
Voltage - Output |
5V |
|
Voltage - Input |
2.7 V ~ 5.5 V |
|
PWM Type |
Burst Mode® |
|
Frequency - Switching |
1.2MHz |
|
Current - Output |
150mA |
|
Synchronous Rectifier |
No |
|
Operating Temperature |
-40°C ~ 85°C |
|
Mounting Type |
Surface Mount |
|
Package / Case |
6-WFDFN Exposed Pad |
|
Supplier Device Package |
6-DFN (2x2) |
|
Catalog Page |
1048 (CN081 PDF) |
|
Other Names |
LTC3204BEDC-5#TRMPBFTR |
Competitive Advantage:
Warranty :180 days !
Free shipping: Order over $1000 win a free shipment fee
(goods weight below 3Kg) ,during 20130901-20130930 .
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