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SP6120

Sipex
Part Number SP6120
Manufacturer Sipex
Description Synchronous Buck Controller
Published Jun 7, 2005
Detailed Description ® SP6120 Low Voltage, AnyFETTM, Synchronous,Buck Controller Ideal for 2A to 10A, High Performance, DC-DC Power Convert...
Datasheet PDF File SP6120 PDF File

SP6120
SP6120

Overview
® SP6120 Low Voltage, AnyFETTM, Synchronous,Buck Controller Ideal for 2A to 10A, High Performance, DC-DC Power Converters FEATURES ■ Optimized for Single Supply, 3V - 5.
5V Applications ■ High Efficiency: Greater Than 95% Possible ■ "AnyFETTM" Technology: Capable Of Switching Either PFET Or NFET High Side Switch ■ Selectable Discontinuous or Continuous Conduction Mode For Use In Battery Or Bus Applications ■ Fast Transient Response ■ 16-Pin TSSOP, Small Size N/C 1 ENABLE 2 ISP 3 ISN 4 VFB 5 COMP 6 SS 7 ROSC 8 SP6120 16 Pin TSSOP 16 BST 15 GH 14 SWN 13 GND 12 PGND 11 GL 10 VCC 9 PROG ■ Accurate 1% Reference Over Line, Load and Temperature Now Available in Lead Free Packaging ■ Accurate 10% Frequency ■ Accurate, Rail to Rail, 43mV, Over-Current Sensing ■ Resistor Programmable Frequency ■ Resistor Programmable Output Voltage ■ Capacitor Programmable Soft Start ■ Low Quiescent Current: 950µA, 10µA in Shutdown ■ Hiccup Over-Current Protection APPLICATIONS ■ DSP ■ Microprocessor Core ■ I/O & Logic ■ Industrial Control ■ Distributed Power ■ Low Voltage Power DESCRIPTION The SP6120 is a fixed frequency, voltage mode, synchronous PWM controller designed to work from a single 5V or 3.
3V input supply.
Sipex's unique "AnyFETTM" Technology allows the SP6120 to be used for resolving a multitude of price/performance trade-offs.
It is separated from the PWM controller market by being the first controller to offer precision, speed, flexibility, protection and efficiency over a wide range of operating conditions.
TYPICAL APPLICATIONS CIRCUIT ENABLE RZ 15k CP 100pF CZ 4.
7nF NMOS High Side Drive PROG = GND NC ® BST ENABLE GH ISP SWN SP6120 ISN GND VFB COMP PGND GL CSS 0.
33µF SS ROSC VCC PROG ROSC 18.
7k MBR0530 CBST 1µF QT QB VIN CVCC 2.
2µF 3.
3V VIN CIN 330µF x 2 RS 22.
1k L1 2.
5µH CS 39nF 1.
9V 1A to 8A VOUT DS RF 5.
23k COUT 470µF x 3 RI 10k PMOS High Side Drive PROG = VCC ENABLE NC ENABLE ® BST GH ISP SWN SP6120 ISN GND VFB COMP PGND GL RZ...


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