This specification applies to DC-DC Converter for telecommunication / data-communication equipment, MPDTY303S.For any other application, please contact us before using this product

Features 3.0-5.5V input voltage. High efficiency (95% typ.@3.3V/1A) and small size and floor space saving. Wide output voltage 1.13.6V range. (Output voltage is adjustable.) Input and output voltage capacitor is built in. Short circuit protection is built in.(Latch format) 1. Appearance , Dimensions 2. Pin Number and Function Pin No. Symbol Function 1 VIN Input 2 ON/OFF Remote ON/OFF 3 NO PIN 4 N.C. Internal used 5 N.C Internal used 6,7 GND GND 8 ADJUST Output voltage adjustment 9,10 VOUT Output

. Low Insertion Loss (2.0 dB max.) Ultra Small SMD package (1.35x1.05mm package) Balance type (50?//150?)

Low Insertion Loss (Tx ; 3.5 dB max., Rx ; 4.2 dB max.) Small SMD package (5.0x5.0mm package) High Isolation (at Tx Band ; 55 dB min., Rx Band ; 45 dB min.)

DESCRIPTIONS Pin No Symbol Function 1,2,3,4,5 Vout Voltage Output 6,7,8,9,10,18,19.20,21GND GND 11 VAR Output Voltage Adjustment 12 ON/OFF Remote ON/OFF 13,14,15,16,17 Vin Voltage Input 22 N.C. N.C. 15.4 0.2mm 2212 PPPPPPPPPPPPPPPPPPPP1 11 27.8 0.2mm4.2max. P=2.54 0.2mmTolerance is not accumulated. Note: 1. This datasheet is downloaded from the website of Murata Manufacturing co., ltd. Therefore, it s specifications are subject to change or our products in it may be discontinued without advance