IP1521 Interpion semiconductor Inc., IP1521 Datasheet
IP1521
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IP1521 Summary of contents
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... DESCRIPTION The IP1521 is a dual output voltage series regulator which can provide up to 600mA of output current. The IP1521 consists of 1 -fixed 3.3V and 1-fixed 1.8V regulators. FEATURES - 1-Fixed 3.3V Regulator with Internal NPN TR. - 1-Fixed 1.8V Regulator with Internal NPN TR. - Built-in TSD Circuit. - Built-in Current Limit Circuit. ...
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... VOUT1 PIN DESCRIPTIONS NO SYMBOL 1 VIN 2 VOUT1 3 N/C 4 ON/OFF 5 VOUT2 6 N/C 7 N/C 8 PGND August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR PGND IP1521 N/C ON/OFF VOUT2 I/O DESCRIPTION I Input Supply Voltage Reg +3.3V Output Connection I ON/OFF Control O Reg +1.8V Output - No Connection - No Connection - Power Ground WWW ...
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... Do not exceed Pd and SOA. POWER DISSIPATION CURVE SOA Ambient Temperature (°C) RECOMMENDED OPERATING CONDITIONS CHARACTERISTICS Supply voltage Input voltage August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR O C) SYMBOL VINmax Vonoff Pd Topr Tstr Iomax C for using above Ta= 100 125 ...
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... Ripple rejection RR2 *Note Current limit Ilimit2 Temperature Temp2 stability Output noise Vn2 voltage 2 August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR Condition Vcc=5V, No-Load Vcc=Variable Io=10mA Vin=4.5~6V, Io=10mA Vin=5V, 10mA < Io < 500mA Io=500mA F=120Hz, Co=10uF Tantalum (Vin-Vout)=3V, Io=200mA Vin-Vout=2V - ...
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... ELECTRICAL CHARACTERISTICS (Continued) ( Vin= 5V, Co=10uF unless otherwise specified.) O ON/OFF CONTROL PART On voltage Von Off voltage Voff * Note Don’t exceed following current limit. ( Iout1 : 650 mA, Iout2 : 450 mA ) August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR Vout=Enabled Vout=Disabled WWW.INTERPIONSEMI.COM - - 0 ...
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... APPLICATION SUMMARY - ON / OFF When you want to control output of the IP1521, use pin #4 as follows Pin#4 Vth on/off function August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR Pin#4 HIGH Main bias LOW Q1 As shown in figure Pin#4 is positive input of the comparator, and the other Input is threshold voltage. ...
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... TYPICAL APPLICATION CIRCUIT VIN VOUT1 1 2 Vinput 3.3V August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR PGND IP1521 N/C ON/OFF VOUT2 10uF H L Von/off 1.8V WWW.INTERPIONSEMI.COM PGND N/C N 10uF - 7 - ...
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... INTERNAL CIRCUIT Pin no Pin name Regulator 2 output1 Regulator 5 Output2 August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR Internal circuit WWW.INTERPIONSEMI.COM ...
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... INTERNAL CIRCUIT (Continued) Pin no Pin name OFF August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR Internal circuit 4 WWW.INTERPIONSEMI.COM - 9 - ...
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... August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR VCC vs ICC Vcc (V) VREF TEMPERATURE STABILITY 0 50 100 O TEMP ( C) WWW.INTERPIONSEMI.COM 8 10 150 - 10 - ...
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... August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR ILoad1 vs Vdrop1 100 200 300 400 500 Output Current1 (mA) ILoad2 vs Vdrop2 100 200 300 400 500 Output Current (mA) WWW.INTERPIONSEMI.COM 600 700 800 600 700 800 - 11 - ...
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... August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR VOUT1 Load Regulation (Tj=25 200 400 600 800 Output Current1 (mA) VOUT2 Load Regulation (Tj=25 200 400 600 800 Output Current (mA) WWW.INTERPIONSEMI.COM o C) 1000 1200 o C) 1000 1200 - 12 - ...
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... Io=50mA 0 -100 -200 -300 0 200 100 0 -100 -200 -300 0 August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR VOUT1 Load Transient Response Io=450mA Time (usec) VOUT2 Load Transient Response Io=350mA Time (usec) WWW.INTERPIONSEMI.COM Io=50mA 80 100 Io=50mA 80 100 ...
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... PACKAGE DIMENSION #1 6.00 (0.236 3.95 (0.156 5.72 0.60 0.20 (0.225) (0.024 0.008) August. 2002 (Rev.4) IP1521 DUAL OUTPUT VOLTAGE SERIES REGULATOR 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 ...