AP2003

Features:

- Single or Dual Supply Application
- 0.8V + 1.0% Voltage Reference.
- Fast transient response.
- Synchronous operation for high efficiency (95%)
- Soft Start functions
- Small size with minimum external components
- Industrial temperature range
- Under Voltage Lockout function
- SOP-8L package


Application

- Microprocessor core supply
- Low cost synchronous applications
- Voltage Regulator Modules (VRM)
- DDR termination supplies
- Networking power supplies
- Sequenced power supplies


Specifications

Symbol		Max.	Unit
VIN	VCC, BSTL to GND	-1 to 14	V
JC	Thermal Resistance Junction to Case	60	oC/W
JA	Thermal Resistance Junction to Ambient	160	oC/W
TOP	Operating Temperature Range	-40 to +85	oC
TST	Storage Temperature Range	-65 to +150	oC
TLEAD	Lead Temperature (Soldering) 10 Sec.	300	oC

Description

The AP2003 is a low-cost, full featured, and synchronous voltage-mode controller designed for use in single ended power supply applications where efficiency is of the primary concern. This synchronous operation allows the elimination of heat sinks in many applications. The AP2003 is ideal for implementing DC/DC converters needed to power advanced microprocessors in low cost systems, or in distributed power applications where efficiency is important. Internal level-shift, high-side drive circuitry, and preset shoot-thru control, allows the use of inexpensive N-channel power switches.

AP2003 features include temperature compensated voltage reference, an internal 200KHz virtual frequency oscillator, under-voltage lockout  Ptection, soft-start, and shutdown function.