MD1323R

DC-DC Converter Power IC R/C (L.Active) 18 ON Vref 11 ON /OFF Control 19 Vcc Vboot 20 UVLO Start = 7.2V Stop = 6.7V BOOT Vref= 6.5V VB 8 HighSide Vref=VOUT+ 5.8V VG 7 Bandgap Reference 5.0V 5% Error Amp TSD 100 150 Main Switch MOS OFF PWM Comp HighSide Driver VDD 36 VOUT 1,2, 22 25 2.45 V 13 amp- 12 ampOUT OSC 3V 1V Q RS CLM Vth= 0.1 0.2V 10 OSC 14 15 16 9,17 S/S OCL- OCL+ GND 26 P.GND N/C 21 Vi GND Vo GND SHINDENGEN MD1323R P 5.3V 1 26 2 25 3 24 4 23 5 22 6 21 7 20 8 19 9 18 10 17 11 16 12 15 13 14 1, 2, 22 25 36 7 8 9, 17 10 11 12 13 VOUT VDD VG VB GND OSC Vref ampOUT amp- 14 15 16 18 19 20 21 26 S/S OCL OCL+ R/C VCC Vboot N/C P.GND Specifications www.shindengen.co.jp/product/semi/ U095-6 21 DC-DC Converter Power IC MOSFET ave peak OCL ,OCL / V V I I V V 1 CEM-3 50.8 50.8mm2 3 PD1 ja1 jc1 1 1mm PD2 PD1 PD2 Ta-ope Tstg Tj ja1 ja2 jc1 jc2 ja2 jc2 300mm2 2 32 32 1.8 2.3 5.5 5.5 1.1 1.5 30 85 40 150 150 110 87 55 30 2 Ta=25 V V A A V V W W /W /W /W /W Ta= 10 85 Ta= 30 10 4 5 6 High side MOSFET Di Low side SBD IC OFF ON OFF BOOT 1 f=100kHz 2 f=300kHz 3 f=500kHz SoftStart ErrorAmp Specifications Tj 30 125 Vi 8 30 Vi 8.5 30 V 2.5 12 frq 100 500 V V V kHz Tj=100 V I R V V V I V V V I I V V I Vboot Vref frq frq frq Vth I Vamp T I =1mA, V =0V V =32V, V =0V I =1.2A, V =4V I =1.2A, V =0V I =1.2A V =V V =8 30V, f=300kHz V =8 30V V =8 30V V =8 30V V =8 30V V =24V V =8 30V V =24V, R=406.0k V =24V, R=105.1k V =24V, R=49.8k V =24V V =...