IP1117/IP1117-18/IP1117-25/IP1117-33/IP1117-50 LDO Regulator with Adjustable and Fixed 1.8V, 2.5V,3.3V,5.0V DESCRIPTION The IP1117 is a series of low dropout voltage regulators which can provide up to 1.0A of output current. The IP1117 is available in four fixed voltages, 1.8V,2.5V,3.3V and 5.0V. In addition, it is also available in adjustable version. On chip precision trimming adjusts the reference/output voltage to within ±2%. Current limit is also trimmed to ensure specified output current and controlled short-circuit current The IP1117 series is available in SOT-223 power packages. FEATURES SOT-223 ORDERING INFORMATION - Adjustable and Fixed of 1.8V, 2.5V, 3.3V,5.0V - Space saving SMD types of SOT-223 - 1.0A Output Current capability - 1.1V drop-out voltage - Foldback current limiting - Thermal protection - Over current protection APPLICATIONS - Post Regulator for Switching DC/DC Converter - CD Media - Battery Charger - Battery Powered Equipments Device Package IP1117/ IP1117L SOT-223 IP1117-18/ IP1117L-18 SOT-223 IP1117-25/ IP1117L-25 SOT-223 IP1117-33/ IP1117L-33 SOT-223 IP1117-50/ IP1117L-50 SOT-223 Operating Temp -35 OC ~ +125O C L means Lead-free TYPICAL APPLICATION CIRCUITS Jan. 2005 (Rev.5) www.interpionsemi.com -1- IP1117/IP1117-18/IP1117-25/IP1117-33/IP1117-50 LDO Regulator with Adjustable and Fixed 1.8V, 2.5V,3.3V,5.0V PIN CONNECTIONS PIN DESCRIPTIONS NO SYMBOL I/O DESCRIPTION 1 ADJ/GND - Adjustable or Power Ground 2 OUT O Output 3 IN I Input ABSOLUTE MAXIMUM RATINGS Parameter Symbol Value Units Input Voltage Vinmax 18 V Junction Temperature Tj -35 ~ +125 O Storage Temperature Tstg -55 ~ +150 O C C Output Current(A) Absolute Maximum Safe Operating Area 1.2 1.0 0.8 0.6 SOA 0.4 0.2 0 2 4 6 8 10 12 14 16 18 20 Vin - Vout (V) Jan. 2005 (Rev.5) www.interpionsemi.com -2- IP1117/IP1117-18/IP1117-25/IP1117-33/IP1117-50 LDO Regulator with Adjustable and Fixed 1.8V, 2.5V,3.3V,5.0V Electrical Characteristics ( Vin= 5V, Co=10uF, Ta = 25O C, unless otherwise specified.) Parameter Reference Voltage Output Voltage Line Regulation Jan. 2005 (Rev.5) Symbol Vref Vout dVout1 Test Conditions Min. Typ. Max. Units IP1117 Only 1.5V < (Vin - Vout) < 7V, Io=10mA 1.225 1.250 1.275 V IP1117-18 10mA < Iout < 1A, 3.3V < Vin < 10V 1.764 1.800 1.836 V IP1117-25 10mA < Iout < 1A, 4.0V < Vin < 10V 2.45 2.50 2.55 V IP1117-33 10mA < Iout < 1A, 4.75V < Vin < 10V 3.234 3.300 3.366 V IP1117-50 10mA < Iout < 1A, 6.5V < Vin < 12V 4.9 5.0 5.1 V IP1117 Iout = 10mA, 1.5V < Vin - Vout < 12V - 0.035 0.2 % IP1117-18 Iout = 10mA, 3.3V < Vin < 15V - 1 4 mV IP1117-25 Iout = 10mA, 4.0V < Vin < 15V - 1 5 mV IP1117-33 Iout = 10mA, 4.75V < Vin < 15V - 1 7 mV IP1117-50 Iout = 10mA, 6.5V < Vin < 15V - 1 10 mV www.interpionsemi.com -3- IP1117/IP1117-18/IP1117-25/IP1117-33/IP1117-50 LDO Regulator with Adjustable and Fixed 1.8V, 2.5V,3.3V,5.0V ELECTRICAL CHARACTERISTICS ( Vin= 5V, Co=10uF, Ta = 25O C, unless otherwise specified.) Parameter Load Regulation Dropout voltage Quiescent current Ripple Rejection Symbol dVout2 Min. Typ. Max. Units IP1117 Vin - Vout = 2.0V, 10mA < Iout < 1A - 0.05 0.5 % IP1117-18 Vin = 3.8V, 10mA < Iout < 1A - 1 9 mV IP1117-25 Vin = 4.5V, 10mA < Iout < 1A - 1 12 mV IP1117-33 Vin = 5.3V, 10mA < Iout < 1A - 1 16 mV IP1117-50 Vin = 7.0V, 10mA < Iout < 1A - 1 25 mV Iout = 100mA - 1.0 1.15 V Iout = 1A - 1.1 1.25 V Vin < 12V - 5 10 mA f = 120Hz, Cout = 22uF Tantalum, (Vin-Vout) = 3V, Vripple=1.0Vpp 60 72 - dB Vin - Vout = 2V 1 1.5 - A -35 -100 uA 0.2 5 uA - - mA 0.03 1.0 % Vdrop Iq RR Current Limit Ilimit Adjust Pin Current Iadj Adjust Pin Current Change Ichg Minimum Load Current Imin Long Term Stability Stable Jan. 2005 (Rev.5) Test Conditions 10mA < Iout < 1A 1.5V < Vin - Vout < 12V Only IP1117 Ta=125O C, 1000hrs www.interpionsemi.com 10 -4- IP1117/IP1117-18/IP1117-25/IP1117-33/IP1117-50 LDO Regulator with Adjustable and Fixed 1.8V, 2.5V,3.3V,5.0V ELECTRICAL CHARACTERISTICS ( Vin= 5V, Co=10uF, Ta = 25O C, unless otherwise specified.) Parameter Symbol RMS Output Noise Vn Thermal Shutdown Tsd Thermal Shutdown Hysteresis Thys Jan. 2005 (Rev.5) Test Conditions Min. Typ. Max. Units 10Hz < f < 10kHz - 0.003 - % Junction Temperature - 150 - O - 10 - O www.interpionsemi.com C C -5- IP1117/IP1117-18/IP1117-25/IP1117-33/IP1117-50 LDO Regulator with Adjustable and Fixed 1.8V, 2.5V,3.3V,5.0V APPLICATION SUMMARY - Calculation of adjustable output voltage Va Vout = (1 + R2 ) × Vref R1 (Vref = 1.25V) Example) R1=125 ohm, R2=25 ohm Vout = (1+ Jan. 2005 (Rev.5) 25 )× 1.25 = 1.5 125 www.interpionsemi.com -6- IP1117/IP1117-18/IP1117-25/IP1117-33/IP1117-50 LDO Regulator with Adjustable and Fixed 1.8V, 2.5V,3.3V,5.0V ELECTRICAL CHARACTERISTICS CURVES ICC vs VCC ICC (mA) 6 5 4 3 2 VCC=variable Vout=3.3V Io=0 mA 1 0 0 5 10 15 VCC (V) 20 Quiescent current vs Vcc Vdrop vs IO Vdrop (V) 1.2 1.0 0.8 0.6 0.4 IO=variable Ta=25 0.2 0.0 0.0 0.2 0.4 IO (A) 0.6 0.8 1.0 Drop out voltage vs IO Jan. 2005 (Rev.5) www.interpionsemi.com -7- IP1117/IP1117-18/IP1117-25/IP1117-33/IP1117-50 LDO Regulator with Adjustable and Fixed 1.8V, 2.5V,3.3V,5.0V ELECTRICAL CHARACTERISTICS CURVES (Continued) Vload vs IO Vload (mV) 16 14 12 10 8 6 4 Vin=5.3V IO=variable Ta=25 2 0 0.0 0.2 0.4 IO (A) 0.6 0.8 1.0 Load regulation vs IO Jan. 2005 (Rev.5) www.interpionsemi.com -8- IP1117/IP1117-18/IP1117-25/IP1117-33/IP1117-50 LDO Regulator with Adjustable and Fixed 1.8V, 2.5V,3.3V,5.0V ELECTRICAL CHARACTERISTICS CURVES (Continued) ICC vs TEMP ICC (mA) 6 5 4 3 VCC=5.3V Vout=3.3V Temp=Variable IO=0 mA 2 1 0 -20 0 20 40 Temperature 60 80 100 Quiescent current vs Temperature Vout vs TEMP Vout (V) 4.0 3.8 3.6 3.4 3.2 3.0 2.8 VCC=5.3V Vout=3.3V Temp=Variable IO=10 mA 2.6 2.4 2.2 2.0 -20 0 20 40 Temperature 60 80 100 Output voltage vs Temperature Jan. 2005 (Rev.5) www.interpionsemi.com -9- IP1117/IP1117-18/IP1117-25/IP1117-33/IP1117-50 LDO Regulator with Adjustable and Fixed 1.8V, 2.5V,3.3V,5.0V ELECTRICAL CHARACTERISTICS CURVES (Continued) Vload vs TEMP Vload (mV) 100 80 VCC=5.3V Vout=3.3V Temp=Variable IO=10 mA 60 40 20 0 -20 0 20 40 Temperature 60 80 100 Load regulation vs Temperature Vdrop vs TEMP Vdrop (V) 1.4 1.2 1.0 0.8 0.6 0.4 Vout=3.3V Temp=Variable IO=1.0 A 0.2 0.0 -20 0 20 40 Temperature 60 80 100 Drop out voltage vs Temperature Jan. 2005 (Rev.5) www.interpionsemi.com - 10 - IP1117/IP1117-18/IP1117-25/IP1117-33/IP1117-50 LDO Regulator with Adjustable and Fixed 1.8V, 2.5V,3.3V,5.0V PACKAGE DIMENSION SOT-223 Jan. 2005 (Rev.5) www.interpionsemi.com - 11 -