ip1525 Interpion semiconductor Inc., ip1525 Datasheet

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... DUAL OUTPUT VOLTAGE LDO REGULATOR DESCRIPTION The IP1525 is a dual output voltage LDO regulator which can provide up to 500mA of output current. The IP1525 consists of 2-adjustable regulators. FEATURES - 2-Adjustable LDO regulators with internal NPN TR. - Built-in TSD circuit. - Built-in current limit circuit. - Built-in over voltage protection circuit. ...

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... ON/OFF PIN DESCRIPTIONS NO SYMBOL 1 VIN 2 ON/OFF 3 N/C 4 ADJ1 5 VOUT1 6 VOUT2 7 ADJ2 8 PGND December. 2002 (Rev.0) IP1525 PGND IP1525 N/C ADJ1 VOUT2 VOUT1 I/O DESCRIPTION I Input Supply Voltage I ON/OFF control - No Connection I Regulator 1 Adjustable Pin O Regulator 1 Output (Adjustable) O Regulator 2 Output (Adjustable) I Regulator 2 Adjustable Pin ...

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... Power dissipation reduces 24mW not exceed Pd and SOA. POWER DISSIPATION CURVE SOA Ambient Temperature (°C) RECOMMENDED OPERATING CONDITIONS CHARACTERISTICS Input voltage December. 2002 (Rev.0) IP1525 O C) SYMBOL Vccmax Vinmax Pd Topr Tstr C for using above Ta= 100 125 150 ...

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... Ilmin2 Temperature stability Temp2 ON/OFF CONTROL PART On voltage Von Off voltage Voff * Note : Don’t exceed following current limit. ( Iout1 : 500 mA, Iout2 : 500 mA ) December. 2002 (Rev.0) IP1525 Condition Vcc=5V, No-Load Vcc=Variable - Io=10mA Vin=4.5~6V, Io=10mA Ta= Vin=5V, 10mA < Io < 400mA Io=400mA F=120Hz, Co=10uF Tantalum Vin-Vout=2V, Io=200mA Vin-Vout=3 ...

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... DUAL OUTPUT VOLTAGE LDO REGULATOR APPLICATION SUMMARY - ON / OFF When you want to control output of the IP1525, use pin #2 as follows Pin#2 Vth December. 2002 (Rev.0) IP1525 Main bias Q1 As shown in figure Pin#2 is positive input of the comparator, and the other Input is threshold voltage. ...

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... TYPICAL APPLICATION CIRCUIT VIN ON/OFF 1 2 Vinput ON/OFF *CALCULATION OF OUTPUT VOLTAGE VOUT1 = VREF ( 1 + (Radj1 / Radj2) ) =1.25V ( 1 + (Radj1 / Radj2) ) VOUT2 = VREF ( 1 + (Radj3 / Radj4) ) =1.25V ( 1 + (Radj3 / Radj4) ) December. 2002 (Rev.0) IP1525 PGND IP1525 N/C ADJ1 VOUT1 Radj1 Radj2 10uF Vout1 www.interpionsemi.com PGND VOUT2 ...

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... DUAL OUTPUT VOLTAGE LDO REGULATOR INTERNAL CIRCUIT Pin no Pin name 2 ON/OFF Regulator Output1,2 Regulator 4,5,6,7 Adjustable pin December. 2002 (Rev.0) IP1525 Internal circuit Vref www.interpionsemi.com ...

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... DUAL OUTPUT VOLTAGE LDO REGULATOR ELECTRICAL CHARACTERISTICS CURVES 1.270 1.265 1.260 1.255 1.250 1.245 1.240 1.235 1.230 -50 December. 2002 (Rev.0) IP1525 QUIESCENT CURRENT Vcc (V) VREF TEMPERTURE STABILITY 0 50 100 O TEMP ( C) www.interpionsemi.com Vo1=Vo2=1.25V Ro1=Ro2= 150 - 8 - ...

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... DUAL OUTPUT VOLTAGE LDO REGULATOR ELECTRICAL CHARACTERISTICS CURVES (Continued) 1.35 1.30 1.25 1.20 1.15 1.10 0 200 100 0 -100 -200 0 December. 2002 (Rev.0) IP1525 VOUT1,2 Load Regulation (Tj=25 200 400 600 Output Current (mA) VOUT1,2 Load Transient Response Vout1=Vout2=1.25V Io=50mA Io=400mA 20 40 Time (usec) www.interpionsemi.com o C) Vo1=1.25V,Vo2=1.25V ...

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... DUAL OUTPUT VOLTAGE LDO REGULATOR ELECTRICAL CHARACTERISTICS CURVES (Continued) 1.4 1.2 1.0 0.8 0.6 0 December. 2002 (Rev.0) IP1525 Dropout Voltage 200 400 600 Output Current (mA) www.interpionsemi.com 800 - 10 - ...

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... DUAL OUTPUT VOLTAGE LDO REGULATOR PACKAGE DIMENSION #1 6.00 (0.236 3.95 (0.156 5.72 0.60 0.20 (0.225) (0.024 0.008) December. 2002 (Rev.0) IP1525 14SOPH-8L 0.30 0.012) 0.2 0.008) 0~8 www.interpionsemi.com MIN0.05 (MIN0.002) 1.55 0.10 (0.061 0.004) 1.80MAX (0.071MAX ...