MD3221N

DC-DC Converter Power IC f=300kHz LC=OFF ON Vcc 6 Vref 2 Vboot VB VGH 7 24 23 R/C (L.Active) ON 1 ON /OFF CONTROL Vref S/S 32 BANDGAP REFERENCE 1.26V 1% UVLO THERMAL SHUTDOWN Vcc SRQ LATCH LATCH QRS CURRENT LIMIT1 18 21 VDD VOUT 11 14 ampOUT 28 ERROR -AMP 29 amp- PWM-COMP OCL- OSC CURRENT LIMIT2 SRQ LATCH Vref CURRENT LIMIT3 VOUT GND 4,26 3 31 30 25 27 OSC ampIN Vref 2.5V/3.3V OCL+ OCL- 5 LC INVL SRQ LATCH 8 P.GND1 9 16 VGL P.GND2 N/C : 10,15,17,22 Vi GND Vo GND 1 32 SHINDENGEN MD3221N P 2 3 31 30 1 R/C 16 P.GND2 4 29 2 Vref 18 21 VDD 5 6 28 27 3 OSC 23 VGH 7 26 4, 26 GND 24 VB 8 9 25 24 5 LC 25 OCL+ 10 11 12 23 22 21 6 VCC 27 OCL- 7 Vboot 28 ampOUT 13 14 15 20 19 18 8 P.GND1 29 amp- 9 VGL 30 ampIN 16 17 10, 15, 17, 22 N/C 31 2.5V/3.3V 11 14 VOUT 32 S/S Specifications www.shindengen.co.jp/product/semi/ U095-6 9 DC-DC Converter Power IC MOSFET ave peak VV Vboot R/C OSC LC amp- OCL ,OCL Vref 1 56 39mm2...