TD1583 Techcode, TD1583 Datasheet
TD1583
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TD1583 Summary of contents
Page 1
... PWM Buck DC/DC Converter General Description The TD1583 is a 380 KHz fixed frequency monolithic step down switch mode regulator with a built in internal Power MOSFET. It achieves 3A continuous output current over a wide input supply range with excellent load and line regulation. ...
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... September, 2006 Figure 2 Pin Configuration of TD1583 (Top View) Description Not Connect. Supply Voltage Input Pin. TD1583 operates from a 3.6V to 28V 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 ...
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... Note1: Stresses greater than those listed under Maximum Ratings may cause permanent damage to the device. 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 September, 2006 Figure 3 Function Block Diagram of TD1583 Symbol V IN ...
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... OTSD 4 Min. Max. 3.6 28 -40 125 -40 85 Min. Typ. 3.6 =0V 30 =1.3V 3.6 FB 1.185 1.222 0.1 4 320 380 42 0.7 1.2 -0 =0.1A 100 165 Techcode Semiconductor Limited Datasheet TD1583 Unit V ºC ºC Max. Unit 1. 440 KHz KHz 1 -10 uA mΩ ºC ...
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... PWM Buck DC/DC Converter Typical Performance Characteristics Figure 4. Switching Frequency vs. Temperature Figure 6. Icc vs. Temperature September, 2006 Figure 5. Vfb vs. Temperature Figure 7. Efficiency vs. Load (Vin=10V) Techcode Semiconductor Limited 5 Datasheet TD1583 ...
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... PWM Buck DC/DC Converter Typical Application Circuit R2=2K 5.5V~28V DC INPUT R2=3.6K 4.5V~28V DC INPUT Fig9. TD1583 Typical Application Circuit @ 3.3V/3A September, 2006 R1=6.2K TD1583 Fig8. TD1583 Typical Application Circuit @ 5V/3A Note:In PCB layout. Reserved an area for CFF R1=6.2K TD1583 Note:In PCB layout. Reserved an area for CFF ...
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... PWM Buck DC/DC Converter R2=2K 5.5V~28V DC INPUT Fig10. TD1583 Typical Application Circuit (with ceramic output capacitor) @ 5V/3A R2=3.6K 4.5V~28V DC INPUT Fig11. TD1583 Typical Application Circuit (with ceramic output capacitor) @ 3.3V/3A September, 2006 R1=6.2K TD1583 Note:In PCB layout. Reserved an area for CFF R1=6.2K TD1583 Note:In PCB layout. Reserved an area for CFF ...
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... Vendor 3,6 2,3 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 TD1583 3A Load Current Part Number Vendor B320 1 SK33 1,6 SS32 3 B330 1 B340L 1 MBRD330 4,5 SK33 1,6 SS33 2,3 Web Site www.diodes.com www.fairchildsemi.com www ...
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... The TD1583 junction temperature ambient temperature for a 3A load and different input and output voltages. The data for these curves was taken with the TD1583 (SOP8 package) operating as a buck-switching regulator in an ambient temperature of 25 These temperature rise ...
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... If using this technique recommended that the larger capacitor be a tantalum or electrolytic type. All ceramic capacitors should be places close to the TD1583. Output Capacitor September, 2006 The output capacitor is required to maintain the DC output voltage. Low ESR capacitors are preferred to keep the output voltage ripple low ...
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... 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 TD1583, and to the VOUT pins of the TD1583. Current flows in the second loop when the low side diode is on. ...
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... PWM Buck DC/DC Converter Package Information SOP8 Package Outline Dimensions September, 2006 Techcode Semiconductor Limited 12 Datasheet TD1583 ...
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... PWM Buck DC/DC Converter September, 2006 Design Notes 13 Datasheet TD1583 Techcode Semiconductor Limited ...