TD1410C Techcode, TD1410C Datasheet
TD1410C
Available stocks
Related parts for TD1410C
TD1410C Summary of contents
Page 1
... PWM Buck DC/DC Converter General Description The TD1410C is a 380 KHz fixed frequency monolithic step down switch mode regulator with a built in internal Power MOSFET. It achieves 1.8A continuous output current over a wide input supply range with excellent load and line regulation. The device includes a voltage reference, oscillation circuit, error amplifier, internal PMOS and etc ...
Page 2
... P: SOP8 February, 2007 Rev 2.0 Description Not Connect. Supply Voltage Input Pin. TD1410C operates from 20V DC voltage. Bypass Vin to GND with a suitably large capacitor to eliminate noise on the input. Power Switch Output Pin the switch node that supplies power to the output. ...
Page 3
... This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. www.DataSheet4U.com February, 2007 Rev 2.0 Figure 3 Function Block Diagram of TD1410C Symbol ...
Page 4
... OSC1 =2. =0. =12V DSON V =12V, Iout=1. =0V, I MAX FB V =12V ,Vout=5V IN η Iout=1.8A T OTSD 4 TD1410C Min. Max -40 125 -40 85 Min. Typ. 3 =0V 30 =1.3V 3.6 FB 1.185 1.222 0.1 2.5 320 380 42 0.7 1.2 -0.1 -3 =0V FB 140 =0.1A 100 165 ...
Page 5
... PWM Buck DC/DC Converter Typical Performance Characteristics Figure 4. Switching Frequency vs. Temperature Figure 6. Icc vs. Temperature www.DataSheet4U.com February, 2007 Rev 2.0 TD1410C Figure 5. Vfb vs. Temperature Figure 7. Efficiency vs. Load (Vin=10V) Techcode Semiconductor Limited 5 Datasheet ...
Page 6
... PWM Buck DC/DC Converter Typical Application Circuit R2=2K 5.5V~20V DC INPUT Fig8. TD1410C Typical Application Circuit @ 5V/1.8A R2=3.6K 4.5V~20V DC INPUT Fig9. TD1410C Typical Application Circuit @ 3.3V/1.8A www.DataSheet4U.com February, 2007 Rev 2.0 R1=6.2K TD1410C Note:In PCB layout. Reserved an area for CFF. R1=6.2K TD1410C Note:In PCB layout. Reserved an area for CFF. ...
Page 7
... PWM Buck DC/DC Converter R2=2K 5.5V~20V DC INPUT Fig10. TD1410C Typical Application Circuit (with ceramic output capacitor) @ 5V/1.8A R2=3.6K 4.5V~20V DC INPUT Fig11. TD1410C Typical Application Circuit (with ceramic output capacitor) @ 3.3V/1.8A www.DataSheet4U.com February, 2007 Rev 2.0 R1=6.2K TD1410C Note:In PCB layout. Reserved an area for CFF. R1=6.2K TD1410C Note:In PCB layout. Reserved an area for CFF. ...
Page 8
... February, 2007 Rev 2.0 Vendor Table 1 lists some rectifier manufacturers. Table 2 Schottky Diode manufacturers. Vout = (1+R1/R2)*1.222V R1 3.9K 3.2K 6.2K 6.2K 13K 16K Table 3. Vout VS. R1, R2 Select Table 8 Datasheet TD1410C Web Site www.diodes.com www.fairchildsemi.com www.gensemi.com www.irf.com www.onsemi.com www.panjit.com.tw R2 8. 1.8K Techcode Semiconductor Limited ...
Page 9
... Vin pin or it can be left open, in either case the regulator will be in the ON condition. Thermal Considerations The TD1410C is available in SOP8 package. The SOP8 package needs a heat sink under most conditions. The size of the heat sink depends on the input voltage, the output voltage, the load current and the ambient temperature ...
Page 10
... IC and a larger capacitor placed further away. If using this technique recommended that the larger capacitor be a tantalum or electrolytic type. All ceramic capacitors should be places close to the TD1410C. Output Capacitor www.DataSheet4U.com February, 2007 Rev 2.0 TD1410C The output capacitor is required to maintain the DC output voltage ...
Page 11
... Current flows in the first loop when the high side switch is on. The second loop starts from the inductor, to the output capacitors and load, to the GND pin of the TD1410C, and to the VOUT pins of the TD1410C. Current flows in the second loop when the low side diode is on. ...
Page 12
... PWM Buck DC/DC Converter Package Information SOP8 Package Outline Dimensions www.DataSheet4U.com February, 2007 Rev 2.0 TD1410C Techcode Semiconductor Limited 12 Datasheet ...
Page 13
... PWM Buck DC/DC Converter www.DataSheet4U.com February, 2007 Rev 2.0 Design Notes Techcode Semiconductor Limited 13 Datasheet TD1410C ...