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TD1509PR Datasheet(PDF) 9 Page - TECHCODE SEMICONDUCTOR, INC.

Part # TD1509PR
Description  2A 150KHz PWM Buck DC/DC Converter
PDF  17 Pages
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Manufacturer  TECHCODE [TECHCODE SEMICONDUCTOR, INC.]
Direct Link  http://www.techcodesemi.com/
Logo TECHCODE - TECHCODE SEMICONDUCTOR, INC.

TD1509PR Datasheet(HTML) 9 Page - TECHCODE SEMICONDUCTOR, INC.

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December,  20,  2005.                                         Techcode  Semiconductor  Limited                                    www.techcodesemi.com 
9 
Techcode®
2A 150KHz PWM Buck DC/DC Converter
TD1509
DATASHEET
Typical Application Circuit
Figure 11. Typical Application of TD1509 For 3.3V 5V 
Input Voltage
Inductor (L1)
Output Capacitor (Cout)
Through Hole Electrolytic
Surface Mount Tantalum
6V ~ 18V
47uh
470uf/25V
330uf/6.3V
6V ~ 45V
68uh
560uf/25V
330uf/6.3V
Table 1. TD1509 Series Buck Regulator Design Procedure For 3.3V 
Input Voltage
Inductor (L1)
Output Capacitor (Cout)
Through Hole Electrolytic
Surface Mount Tantalum
8V ~ 18V
33uh
330uf/25V
220uf/10V
8V ~ 45V
47uh
470uf/25V
330uf/10V
Table 2. TD1509 Series Buck Regulator Design Procedure For 5V 



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