IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR DESCRIPTION The IP1520 is a dual output voltage series regulator which can provide up to 600mA of output current. The IP1520 consists of 1-fixed 3.3V and 1-fixed 2.55V regulators. 14SOPH-8L FEATURES ORDERING INFORMATION - 1-Fixed 3.3V Regulator with Internal NPN TR. - 1-Fixed 2.55V Regulator with Internal NPN TR. - Built-in TSD circuit. - Built-in Current Limit Circuit. - Built-in ON/OFF Control Circuit. - Built-in Over Voltage Protection Circuit. - Output Trimmed to +/-3% Tolerance Device IP1520 Package Operating Temp 14SOPH-8L -35 OC ~ +85 OC BLOCK DIAGRAM VIN 1 VOUT1 2 Vref PGND N/C 3 ON/OFF 4 VOUT2 5 N/C 6 N/C 7 August. 2002 (Rev.0) ON/OFF Control SW OCL SHUT DOWN OVP TSD PGND WWW.INTERPIONSEMI.COM -1- IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR PIN CONNECTIONS PGND PGND IP1520 1 2 VIN VOUT1 3 4 5 N/C ON/OFF VOUT2 6 7 N/C N/C PIN DESCRIPTIONS NO SYMBOL I/O 1 VIN I Input Supply Voltage 2 VOUT1 O Reg +3.3V Output 3 N/C - No Connection 4 ON/OFF I ON/OFF Control 5 VOUT2 O Reg +2.55V Output 6 N/C - No Connection 7 N/C - No Connection 8 PGND - Power Ground August. 2002 (Rev.0) DESCRIPTION WWW.INTERPIONSEMI.COM -2- IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR ABSOLUTE MAXIMUM RATINGS(TA=25OC) CHARACTERISTICS SYMBOL VALUE UNIT Maximum supply voltage Vinmax 10 V ON/OFF voltage Vonoff 10 V Power dissipation Pd 3.5* W Operating temperature Topr -35 ~ +85 O Storage temperature Tstr -55 ~ +150 O Maximum output current Iomax 700 C C mA Note> 1. When mounted on 100mm X 100mm X 1mm PCB (Phenolic resin material). 2. Power dissipation reduces 28mW/OC for using above Ta=25O C 3. Do not exceed Pd and SOA. POWER DISSIPATION CURVE Power Dissipation (W) 4 3 2 SOA 1 0 25 50 75 100 125 150 175 Ambient Temperature (°C) RECOMMENDED OPERATING CONDITIONS CHARACTERISTICS SYMBOL VALUE UNIT Supply voltage Vcc 4.5 ~ 6.0 V Input voltage Vin 4.5 ~ 6.0 V August. 2002 (Rev.0) WWW.INTERPIONSEMI.COM -3- IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR ELECTRICAL CHARACTERISTICS ( Vin= 5.25V, Co=10uF, Ta = 25 OC, unless otherwise specified.) Characteristics Quiescent current OVP Detecting Voltage Symbol Icc Vovp Condition Min. Typ. Max. Units - 9 14 mA Vcc=Variable 6.5 - - V Io=10mA 3.2 3.3 3.4 V Vin=4.5~6V, Io=10mA - 0.035 0.2 % Vin=5.25V, 10mA < Io < 500mA - 0.4 0.8 % Io=500mA - 1.1 1.3 V F=120Hz, Co=10uF Tantalum (Vin-Vout)=3V, Io=200mA 60 70 - dB Vin-Vout=2.5V 550 - - mA - 0.5 - % Io=300mA - 100 - uV Io=10mA 2.473 2.55 2.626 V Vcc=5.25V, No-Load 3.3V REGULATOR PART Output Voltage Vout1 Line Regulation dVline1 Load Regulation dVload 1 Dropout voltage Vdrop1 Ripple rejection RR1 Current limit *Note Ilimit1 Temperature stability Temp1 Output noise voltage 1 Vn1 - 2.55V REGULATOR PART Output Voltage Vout2 Line Regulation dVline2 Vin=4.5~6V, Io=10mA - 0.035 0.2 % Load Regulation dVload2 Vin=5.25V, 10mA < Io < 300mA - 0.4 0.8 % Dropout voltage Vdrop2 Io=300mA 1.7 2.1 V Ripple rejection RR2 Current limit *Note Ilimit2 Temperature stability Temp2 Output noise voltage 2 Vn2 August. 2002 (Rev.0) F=120Hz, Co=10uF Tantalum (Vin-Vout)=3V, Io=100mA 60 70 Vin-Vout=3.0V 500 - - mA - 0.5 - % - 100 - uV Io=150mA WWW.INTERPIONSEMI.COM dB -4- IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR ELECTRICAL CHARACTERISTICS (Continued) ( Vin= 5.25V, Co=10uF, Ta = 25 OC, unless otherwise specified.) Parameter Symbol Condition Min. Typ. Max. Units ON/OFF CONTROL PART On voltage Von Vout=Enabled - - 0.8 V Off voltage Voff Vout=Disabled 2.0 - - V * Note Don’t exceed following current limit. ( Iout1 : 550 mA, Iout2 : 500 mA ) August. 2002 (Rev.0) WWW.INTERPIONSEMI.COM -5- IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR APPLICATION SUMMARY - ON / OFF When you want to control output of the IP1520, use pin #4 as follows Main bias Pin#4 IP1520 HIGH off LOW on Q1 Pin#4 As shown in figure Pin#4 is positive input of the comparator, and the other Input is threshold voltage. If the voltage of the pin#4 rises above threshold voltage, then TR Q1 will be saturated and the main bias current will be shut down. Vth on/off function August. 2002 (Rev.0) WWW.INTERPIONSEMI.COM -6- IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR TYPICAL APPLICATION CIRCUIT PGND PGND IP1520 VIN VOUT1 1 2 N/C ON/OFF VOUT2 3 4 6 7 5 H 3.3V August. 2002 (Rev.0) N/C 10uF 10uF Vinput N/C L Von/off 2.55V WWW.INTERPIONSEMI.COM -7- IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR INTERNAL CIRCUIT Pin no Pin name 2 Regulator output1 5 Regulator Output2 August. 2002 (Rev.0) Internal circuit 2 5 WWW.INTERPIONSEMI.COM -8- IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR INTERNAL CIRCUIT (Continued) Pin no Pin name Internal circuit 4 4 ON / OFF August. 2002 (Rev.0) WWW.INTERPIONSEMI.COM -9- IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR ELECTRICAL CHARACTERISTICS CURVES VCC vs ICC 10 Icc (mA) 8 6 4 2 0 0 2 4 6 8 10 Vcc (V) VREF TEMPERTURE STABILITY 1.670 1.665 1.660 VREF (V) 1.655 1.650 1.645 1.640 1.635 1.630 -50 0 50 100 150 O TEMP ( C) August. 2002 (Rev.0) WWW.INTERPIONSEMI.COM - 10 - IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR ELECTRICAL CHARACTERISTICS CURVES (Continued) ILoad1 vs Vdrop1 Dropout Voltage1 (V) 1.4 1.2 1.0 0.8 0.6 0 100 200 300 400 500 600 700 800 Output Current1 (mA) ILoad2 vs Vdrop2 Dropout Voltage2 (V) 2.0 1.8 1.6 1.4 1.2 0 200 400 600 800 Output Current2 (mA) August. 2002 (Rev.0) WWW.INTERPIONSEMI.COM - 11 - IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR ELECTRICAL CHARACTERISTICS CURVES (Continued) o VOUT1 Load Regulation (Tj=25 C) 3.40 Output Voltage1 (V) 3.35 3.30 3.25 3.20 0 200 400 600 800 1000 1200 Output Current1 (mA) VOUT2 Load Regulation (Tj=25 o C) 2.58 Output Voltage (V) 2.56 2.54 2.52 2.50 2.48 0 200 400 600 800 1000 1200 Output Current (mA) August. 2002 (Rev.0) WWW.INTERPIONSEMI.COM - 12 - IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR ELECTRICAL CHARACTERISTICS CURVES (Continued) VOUT1 Load Transient Response Output Voltage Deviation (mV) 200 100 Io=50mA Io=50mA 0 -100 Io=450mA -200 -300 0 20 40 60 80 100 Time (usec) VOUT2 Load Transient Response Output Voltage Deviation (mV) 200 100 Io=50mA Io=50mA 0 Io=350mA -100 -200 -300 0 20 40 60 80 100 Time (usec) August. 2002 (Rev.0) WWW.INTERPIONSEMI.COM - 13 - IP1520 DUAL OUTPUT VOLTAGE SERIES REGULATOR PACKAGE DIMENSION 14SOPH-8L MIN0.05 0.47 (0.061 0.004) (0.019) (MIN0.002) 1.55 0.10 (0.008,+0.004,-0.002) (0.050TYP) +0.10 -0.05 0.406 1.27TYP 8.56 0.20 ( 0.347 0.008) 2.946 8.70MAX (0.343MAX) 4.216 #1 6.00 0.30 1.80MAX (0.008,+0.004,-0.002) 0.20 +0.10 -0.05 (0.236 0.012) 3.95 0.2 (0.156 0.008) 5.72 0.60 0.20 (0.071MAX) 0~8 (0.225) (0.024 0.008) August. 2002 (Rev.0) WWW.INTERPIONSEMI.COM - 14 -