Datasheet LTM4663 (Analog Devices) - 7

LTM4663
BLOCK DIAGRAM
VIN TEC TEC 2.7V TO 5.5V VOLTAGE CURRENT 10µF SENSE SENSE VTEC ITEC SVIN PVIN VREF FILTER 0.1µF 10k 249k VLIM/SD TEC CURRENT AND RV I VOLTAGE SENSE LIM AND LIMIT RCB VLDR RCT LINEAR POWER STAGE 0.1µF GNDL + TEC VREF VOLTAGE – REF CONTROLLER 0.1µF 10k SFB NC CHOPPER 1 PWM TEMP ERR 1µH R POWER STAGE VPWM AMP 10k + 10µF 0.1µF TFB GNDP – Rx 10k RTH CHOPPER 2 SW PID COMP + AMP OSCILLATOR – TSET TAMPOUT PAMPN PAMPOUT GNDA EN/SY 4663 BD TEMPERATURE SET ENABLE/SYNC RFB
Figure 1. Simplified LTM4663 Block Diagram DECOUPLING REQUIREMENTS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
CIN External Input Capacitor Requirement PVIN to GNDP 10 µF COUT External Output Capacitor Requirement VPWM to GNDP 10 µF Rev. 0 For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Decoupling Requirements Operation Applications Information Typical Applications Package Description Package Photo Package Description Design Resources Related Parts