Details, datasheet, quote on part number: LTM4661EYPBF
PartLTM4661EYPBF
Category
Title15V, 4A STEP-UP MODULE REGULATOR
Description
CompanyLinear Technology Corporation
DatasheetDownload LTM4661EYPBF datasheet
  
LTM4661EYPBF photo

Others parts numbering
LTM4661IYPBF
LTM4661IY

 

Features, Applications

Complete Solution in <1cm2 (Single-Sided PCB) or 0.5cm2 (Dual-Sided PCB) nn Input Voltage Range: to 5.5V, Down to 0.7V After Start-Up nn Output Voltage Range: nn 4A Switch Current nn Dual Phase Operation nn 3% Maximum Total DC Output Voltage Regulation Over Load, Line and Temperature nn Output Disconnect in Shut Down nn Inrush Current Limit nn External Frequency Synchronization nn Selectable Burst Mode Operation nn Output Overvoltage and Overtemperature Protection 2.42mm BGA package

DESCRIPTION

The is a synchronous step-up switching mode Module (power module) regulator 2.42mm BGA package. Included in the package are the switching controller, power FETs, inductor and all support components. Operating over an input voltage to 5.5V, down to 0.7V after start-up, the LTM4661 regulates an output voltage to 15V set by an external resistor. It provides to 4A switch current. Only bulk input and output capacitors are needed. The LTM4661 1MHz switching frequency and dual phase single output architecture enable fast transient response to line and load changes and a significant reduction of output ripple voltage. It supports frequency synchronization, PolyPhase operation and selectable Burst Mode operation. The LTM4661 features a true output disconnect during shutdown and inrush current limit at start-up. It also has short-circuit, overvoltage and overtemperature protection. The LTM4661 is Pb-free and RoHS compliant.

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APPLICATIONS
RF Microwave Power Amplifiers Battery Powered DC Motors nn 3.3V Bus Telecom Transceivers
5V/2A DC/DC Step-Up Module Regulator Efficiency vs Output Current at 3.3V Input

VIN............................................................... to 6V VOUT............................................................ to 18V COMP, FREQ......................................... 0.3V to INTVCC SYNC/MODE, SDB........................................ to 6V Operating Internal Temperature Range (Note to 125C Storage Temperature Range................... to 125C Peak Solder Reflow Body Temperature.................. 250C

SDB 5 FB GND 4 COMP INTVCC 3 FREQ SYNC/MODE 2 GND VIN BGA PACKAGE 2.42mm) TJMAX = 125C, JCtop = 17C/W, JCbottom = 22C/W WEIGHT A B

PART NUMBER LTM4661EY#PBF LTM4661IY#PBF PAD OR BALL FINISH SAC305 (RoHS) SAC305 (RoHS)

PART MARKING* DEVICE LTM4661Y FINISH CODE e1 PACKAGE TYPE BGA MSL RATING 4 TEMPERATURE RANGE (Note to 125C

LTM4661IY SnPb (63/37) LTM4661Y Consult Marketing for parts specified with wider operating temperature ranges. *Pad or ball finish code is per IPC/JEDEC J-STD-609. Terminal Finish Part Marking: www.linear.com/leadfree

e0 BGA to 125C Recommended BGA PCB Assembly and Manufacturing Procedures: www.linear.com/umodule/pcbassembly BGA Package and Tray Drawings: www.linear.com/packaging

The l denotes the specifications which apply over the specified internal operating temperature range, otherwise specifications are = 25C (Note 2), VIN = 3.3V, per the typical application.

SYMBOL VIN VIN(MIN) VOUT(RANGE) VOUT(DC) IQ(VIN) IS(VIN) IOUT(DC) VOUT (Line)/VOUT VOUT(AC) VOUT(START) tSTART VOUTLS tSETTLE VFB IFB RFBHI Duty(MIN) Duty(MAX) SDB Input Voltage ISDB VINTVCC fOSC SYNC Range MODE/SYNC IMODE/SYNC SDB = 5.5V SDB Input Current Internal VCC Voltage Switching Frequency SYNC Frequency Range Sync Input High Voltage Sync Input Low Voltage PARAMETER Input DC Voltage Minimum Start-Up Voltage Output Voltage Range Output Voltage, Total RFB = 31.6k, SYNC/MODE = INTVCC Variation with Line and Load VIN = 3.3V, VOUT = 5V, IOUT to 2A Input Supply Bias Current VIN = 3.3V, VOUT = 5V, SYNC/MODE = INTVCC, IOUT = 5mA VIN = 3.3V, VOUT = 5V, SYNC/MODE = GND, IOUT = 5mA Shutdown, SDB = 0, VIN = 3.3V VIN = 3.3V, VOUT = 5V, IOUT = 2A VIN = 3.3V, VOUT = 5V (Note 4) VIN = 3.3V, VOUT = 12V VOUT = 12V, VIN to 5.5V, IOUT = 0A VIN = 3.3V, VOUT = 5V, IOUT to 2A IOUT = 0A, COUT = 222F Ceramic VIN = 3.3V, VOUT = 5V IOUT = 0A, COUT = 222F Ceramic, VIN = 3.3V, VOUT = 5V COUT = 100F Ceramic, No Load, VIN = 3.3V, VOUT = 5V Load: 0% of Full Load COUT = 100F Ceramic, VIN = 3.3V, VOUT = 5V Load: 0% of Full Load COUT = 100F Ceramic, VIN = 3.3V, VOUT = 5V IOUT = 0A, VIN = 3.3V, VOUT = 5V, SYNC/MODE = INTVCC (Note = 1.4V (Note = 1.0V (Note 7) SDB Input High SDB Input Low SDB = 5.5V VIN 2.8V, VOUT>5V

Input Supply Current Output Continuous Current Range Line Regulation Accuracy Output Ripple Voltage Turn-On Overshoot Turn-On Time Peak Deviation for Dynamic Load Settling Time for Dynamic Load Step Voltage at VFB Pin Current at VFB Pin Resistor Between VOUT and VFB Pins Minimum Duty Cycle Maximum Duty Cycle


 

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