IC SMD Type High Driver Regulator HT7550 ■ Features 1.70 0.1 ● Low power consumption ● Low voltage drop ● Low temperature coefficient ● High input voltage (up to 24V) 0.42 0.1 0.46 0.1 ● High output current : 100mA (Pd ≤ 250mW) 1.GND 2.VIN 3.VOUT ■ Absolute Maximum Ratings Ta = 25℃ Parameter Symbol Supply Voltage Power Consumption Pc Rating Unit -0.3 to 26 V 250 mW Junction Temperature TJ 125 Operating Temperature Top 0 to 70 Storage Temperature range Tstg -50 to 125 ℃ ■ Electrical Characteristics Ta = 25℃ Parameter Output Voltage Tolerance Input Voltage Load Regulation Symbol Test Conditions VIN VOUT 7V VIN - △VOUT 7V Voltage Drop VDIF - Output Current IOUT 7V Current Consumption ISS 7V △VOUT △VIN XVOUT △VOUT △Ta Line Regulation Temperature Coefficient Conditions IOUT=10mA Min Typ 4.75 Max 5.25 24 150 1mA≤ IOUT ≤ 70mA IOUT=1mA 100 100 150 Unit V mV mA No load 10 20 uA - 6V ≤ VIN ≤ 15V IOUT=1mA 0.2 %/V 7 IOUT=10mA 0 ℃<Ta<70 ℃ ±0.75 mV/℃ www.kexin.com.cn 1 IC SMD Type High Driver Regulator HT7550 ■ Application Circuits Basic circuit HT7550 High output current positive voltage regulator HT7550 Short-Circuit protection for Tr1 HT7550 2 www.kexin.com.cn IC SMD Type High Driver Regulator HT7550 ■ Application Circuits Circuit for increasing output voltage HT7550 VOU T = V XX (1+ R2 ) + IS S R2 R1 Circuit for increasing output voltage HT7550 V OUT = VXX + V Constant current regulator D1 HT7550 IOUT Dual supply = V XX RA + I SS HT7550 HT7550 www.kexin.com.cn 3