FX5545G202 Vishay Industry Smallest and Low Profile 3W DC/DC Boost Converter with High Output Density Power FEATURES • Fully integrated DC/DC converter • High efficiency over large load range • 2MHz switching frequency • 100% duty cycle • Power density - more than 100W/inch3 • 1uA shutdown current • 2.5V to 6V input range (1Li+ and 3-cell NiCd or NiMH cells) • 3.3V to 6V output voltage • Programmable PWM/PSM controls • Low output ripple • BGA/LGA construction • Temperature range: - 40°C to + 85°C • No external components needed • Output power 3W • Maximum current 600mA • Low profile The DC/DC converter provides fully integrated synchronous boost converter solution for the latest one-cell lithium ion cellular phones. Its input voltage is between 2.5V to 6V, capable of delivering up to 600mA of output current at 3.3V to 6V. The DC/DC converter combines the 2MHz-switching controller with fully integrated passive components needed to deliver the smallest and most efficient converter available today. The high switching frequency minimizes the output capacitance with peak to peak output ripple as low as 20mV. The DC/DC converter delivers efficiency up to 95%. The programmable pulse-skipping mode (PSM) maintains this high efficiency even during the standby and idle modes to increase overall battery life and talktime. In order to extract the last ounce of power from the battery, the DC/DC converter is designed with 100% duty cycle control for this mode. This function enables the DC/DC converter to operate like a saturated linear regulator delivering the highest potential output voltage for longer talk time. The DC/DC converter is available in 20-ports BGA package. In order to satisfy the stringent ambient temperature requirements, the DC/DC converter is designed to handle the industrial temperature range of - 40°C to + 85°C. APPLICATION • • • • • Cordless phones, PDAs and others Supply voltage source for low voltage chip sets Portable computers Battery back-up supplies Cameras ORDERING INFORMATION FX 5545 G202 FUNCTION SIZE SERIAL NUMBER OUTPUT VOLTAGE-Example: 5.0V should be written as 5V0 as the V indicates the decimal point. Document Number: 10105 Revision 28-Jan-02 For technical questions, contact [email protected] For marketing questions, contact [email protected] www.vishay.com 19 FX5545G202 Vishay DIMENSIONS in inches [millimeters] A 0.1 ± 0.01 [2.54 ± 0.25] B 0.09 ± 0.01 [2.29 ± 0.25] C 0.09 ± 0.01 [2.27 ± 0.25] T 0.12 max [3 max] B 0.48 ± 0.01 [12.2 ± 0.25] A W W L 0.58 ± 0.01 [14.7 ± 0.25] C A T L PIN CONFIGURATION BOTTOM SIDE 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Marked on Upper Side PIN 1 2, 6 3, 7 4, 8 5, 9 10 - 12 13, 17 14 - 16 18 19, 20 CONNECTION N/C SD PWM/PSM SYNC Vout N/C GND N/C N/C Vin A D F 0.1 ± 0.01 [2.54 ± 0.25] 0.03 ± 0.001 [0.8 ± 0.02] 0.02 ± 0.001 [0.5 ± 0.02] A RECOMMENDED PAD PATTERN in inches [millimeters] D F A www.vishay.com 20 For technical questions, contact [email protected] For marketing questions, contact [email protected] Document Number: 10105 Revision 28-Jan-02 FX5545G202 Vishay STANDARD ELECTRICAL SPECIFICATIONS PARAMETER UNIT Input Voltage Range VDC Insulation Test Voltage Resistance Leakage Current VAC Ω nA Output Power Voltage Temp. Coefficient Ripple and Noise W VDC %/°C mVpp General Switching Frequency Package Weight MHz gr. Temperature Operation Storage CONDITION MIN 60Hz 60sec VISO = 500VDC VISO = 500VDC 6 750 1 x 1011 5 3 3.3 to 6 0.03 DC to 20MHz 45 2 1.5 °C °C - 40 - 55 + 85 + 125 Vout Vs. Vin Vin = 3.6V Iout = 500mA 5.5 5.5 5.4 5.4 5.3 5.3 5.2 5.2 5.1 5.1 Vout (V) Vout (V) MAX 2.5 Vout Vs. Iout 5 4.9 5 4.9 4.8 4.8 4.7 4.7 4.6 4.6 4.5 4.5 0 0.2 0.4 0.6 0.8 2 1 3 4 5 Iout (A) Vin (V) ∆ Temp Vs. Iout Efficiency Vs. Iout Vin = 3.6V; Vout = 5.0V Above 25°C Ambient Temperature 18 100 16 95 14 90 Vout = 5.0V Efficiency (%) ∆ Temp (°C) TYP 12 10 8 6 85 80 75 70 65 4 60 2 55 0 50 0 0.2 0.4 0.6 Iout (A) Document Number: 10105 Revision 28-Jan-02 0.8 1 0 0.2 0.4 0.6 Iout (A) For technical questions, contact [email protected] For marketing questions, contact [email protected] 0.8 1 www.vishay.com 21