TD1583 Techcode, TD1583 Datasheet - Page 2
TD1583
Manufacturer Part Number
TD1583
Description
3A 380Khz 28V PWM Buck DC/DC Converter
Manufacturer
Techcode
Datasheet
1.TD1583.pdf
(13 pages)
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Pin Configurations
Pin Description
Ordering Information
September, 2006
3A 380KHZ 28V PWM Buck DC/DC Converter
Pin Number
1,6, 8
Circuit Type
Package
P: SOP8
2
3
4
5
7
Pin Name
GND
SW
NC
Vin
EN
FB
Figure 2 Pin Configuration of TD1583 (Top View)
TD1583
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. SW is the switch node that supplies
power to the output.
Ground Pin. Care must be taken in layout. This pin should be
placed outside of the Schottky Diode to output capacitor ground
path to prevent switching current spikes from inducing voltage
noise into TD1583.
Feedback Pin. Through an external resistor divider network, FB
senses the output voltage and regulates it. The feedback
threshold voltage is 1.222V.
Enable Pin. EN is a digital input that turns the regulator on or
off.Drive EN pin high to turn on the device, drive it low to turn
it off.
X
2
X
Packing
Blank: Tube
R:
Techcode Semiconductor Limited
Type and Reel
TD1583
Datasheet