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PAM2400

Power Analog Micoelectronics
Part Number PAM2400
Manufacturer Power Analog Micoelectronics
Description 3-Pin Synchronous Step-Up DC/DC Converter
Published Oct 19, 2009
Detailed Description 3-Pin Synchronous Step-Up DC/DC Converter Features n Schottky Diode Embedded, Saving Cost and Space n Low Start-up Volta...
Datasheet PDF File PAM2400 PDF File

PAM2400
PAM2400

Overview
3-Pin Synchronous Step-Up DC/DC Converter Features n Schottky Diode Embedded, Saving Cost and Space n Low Start-up Voltage (0.
9V) n High Efficiency up to 88% n Low Quiescent Current n Low Ripple and Noise n Available Output Voltage: 2.
0V,2.
7V,2.
8V, 3.
0V, 3.
3V,3.
8V and 5.
0V n Space Saving Packages: SOT-89, SOT-23 n Pb-Free Package PAM2400 General Description The PAM2400 is a high efficiency step-up DC/DC converter, delivering a fixed output voltage of 2.
0V, 2.
7V, 2.
8V, 3.
0V, 3.
3V, 3.
8V or 5.
0V.
The device starts up with an input voltage as low as 0.
9V at 1mA load.
The Pulse Frequency Modulation (PFM) scheme provides optimized performance for applications with light load and low input voltages.
The PAM2400 employs a built-in synchronous rectifier, instead of requiring an external Schottky diode, so that to improve system efficiency and save system cost and PCB area.
The internal PFM control circuit operates at constant switching frequency of 100KHz.
Only three external components are required.
The space saving SOT-89 and SOT-23 packages make t h e PA M 2 4 0 0 i d e a l f o r s p a c e c o n s c i o u s applications.
Applications n n n n n n Pagers Cameras Wireless Microphones Pocket Organizers Battery Backup Suppliers Portable Instruments Typical Application V IN L1 100 μ H VO Block Diagram SW PAM2400 VOUT VOUT 1M SW www.
DataSheet4U.
com GND + CO 47 μ F + 1.
25V REF + C IN 22 μ F Enable GND OSC 100KHz Power Analog Microelectronics , Inc www.
poweranalog.
com 12/2007 Rev 1.
0 1 3-Pin Synchronous Step-Up DC/DC Converter Pin Configuration & Marking Information SOT89-3 V: Voltage Code X: Internal Code Y: Year W: Week PAM2400 P2400V XXXYW 1 2 SOT23-3 3 3 CC: Product Code of PAM2400 V: Voltage Code Y: Year W: Week CCVYW 1 Pin Number 1 2 3 2 Name GND VOUT SW Ground Output Switch Pin Function These are stress ratings only and functional operation is not implied .
Exposure to absolute maximum ratings for prolonged time periods may affect device relia...


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