lp3204 Lowpower Semiconductor inc, lp3204 Datasheet
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lp3204
Manufacturer Part Number
lp3204
Description
Pwm Step-down Dc/dc Convert
Manufacturer
Lowpower Semiconductor inc
Datasheet
1.LP3204.pdf
(11 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
lp3204A-12B5
Manufacturer:
LOWPOWER
Quantity:
20 000
Part Number:
lp3204A-18B5
Manufacturer:
LOWPOWER
Quantity:
20 000
Part Number:
lp3204A-28B5
Manufacturer:
LOWPOWER
Quantity:
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Part Number:
lp3204A-AD5F
Manufacturer:
POWER
Quantity:
20 000
Part Number:
lp3204AB5F
Manufacturer:
POWER
Quantity:
20 000
General Description
The LP3204 is a constant frequency, current mode,
PWM step-down converter. The device integrates a
main switch and a synchronous rectifier for high
efficiency. The 2.5V to 5.5V input voltage range
makes the LP3204 is ideally suited for portable
electronic devices that are powered from 1-cell
Li-ion battery or from other power sources within
the range such as cellular phones, PDAs and
handy-terminals.
Internal synchronous rectifier with low RDS(ON)
dramatically reduces conduction loss at PWM mode.
The
efficiency while eliminate the need for an external
Schottky diode.The switching ripple is easily
smoothed-out by small package filtering elements
due to a fixed operation frequency of 1.5MHz. This
along with small SOT-23-5 package provide small
PCB area application. Other features include soft
start, lower internal reference voltage with 2%
accuracy, over temperature protection, and over
current protection.
Ordering Information
LP3204-datasheet Feb.-2006
LP3204 □ - □ □ □ □
internal
synchronous
1.5MHz, 800mA, High Efficiency Synchronous
Output Voltage:
Output Type:
A:A-Type
B:B-Type
B5: SOT-23-5
15: 1.5V
18: 1.8V
25: 2.5V
28: 2.8V
AD:Adjust
switch
Package Type
increases
Features
Applications
Pin Configurations
Marking Information
Suitable for use in SnPb or Pb-free
RoHS compliant and compatible
soldering processes.
with the current require ments of
IPC/JEDEC J-STD-0202.
1
PWM Step-Down DC/DC Convert
-
High Efficiency: 96%
1.5MHz Fixed-Frequency PWM Operation
Adjustable Output From 0.6V to VIN
800mA Output Current, 1.1A Peak Current
No Schottky Diode Required
100% Duty Cycle Low Dropout Operation
Available in SOT23-5 Package
Short Circuit and Thermal Protection
Over Voltage Protection
Low than 1µA Shutdown Current
Portable Media Players/MP3 players
Cellular and Smart mobile phone
PDA
DSC
Wireless Card
1
A-Type
B-Type
LP3204