Step-Down Converter IC DC-DC converts IC PT1109

Article:IC DC-DC converts IC PT1109 Model NO.:PT1109 Package:SOP8 Current:1.5A / Voltage:24v / Power:380 KHz

1. Article: IC DC-DC converts IC PT2201

2. Description:

Article	IC DC-DC convert IC PT2201
Model NO.	PT1109
Batch NO.	09+
Package	SOP08
Marketing mode	Sport goods
Character of product	Hot cake
Dispose signal	Imitate signal
Workmanship	Semiconductor integrated
Electric conduction type	Bipolar
Integration	Medium scope
Operating temperature	-40~125(°C)

3. Brief Introduction PT1109:

1.5A, 24V, 380 KHz Step-Down Converter

4. GENERAL DESCRIPTION 

The PT1109 is a monolithic step-down switch mode regulator with a built in internal power MOSFET. It achieves 1.5A continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. In shutdown mode the regulator draws 23μA of supply current.

The PT1109 requires a minimum number of readily available standard external components

 

5. FEATURES

(1) 1.5AOutput Current

(2)0.5Ω Internal Power MOSFET Switch

(3)Stable with Low ESR Output Ceramic Capacitors

(4)Up to 95% Efficiency

(5)23μA Shutdown Mode

(6)Fixed 380 KHz Frequency

(7)Thermal Shutdown

(8)Cycle-by-Cycle over Current Protection

(9)Wide 4.75V to 24V Operating Input Range

(10)Output Adjustable from 1.22V to 18V

(11)Programmable Under Voltage Lockout

(12)Available in 8-Pin SOP8 Packages

 

6. APPLICATIONS

(1)PC Monitors

(2)Distributed Power Systems

(3)Battery Charger

(4)Pre-Regulator for Linear Regulators

7. Main market:

(1) North America

(2) South America

(3) Easter Asia

(4) Western Europe

8. Delivery:

10~15 working days after payment

Step-Down Converter IC DC-DC converts IC PT1109