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| JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD 1A LOW DROPOUT LINEAR REGULATOR GENERAL DESCRIPTION The CJ1117 is a series of low dropout three-terminal regulators with a dropout of 1.15V at 1A output current. The CJ1117 series provides current limiting and thermal shutdown. Its circuit includes a trimmed bandgap reference to assure output voltage accuracy to be within 1%. Current limit is trimmed to ensure specified output Current and controlled short-circuit current. On-chip thermal shutdown provides protection against any combination of overload and ambient temperature that would create excessive junction temperature. The CJ1117 has an adjustable version, that can provide the output voltage from 1.25V to 12V with only 2 external resistors. The CJ1117 series is available in the industry standard SOT-223,SOT-89,TO-220,TO-252 and TO-263 power packages. FEATURES * Low Dropout Voltage: 1.15V at 1A Output Current * Trimmed Current Limit * On-Chip Thermal Shutdown * Three-Terminal Adjustable or Fixed 1.5V, 1.8V, 2.5V, 3.3V, 5V * Operation junction Temperature: 0 to125 APPLICATIONS * PC Motherboard * LCD Monitor * Graphic Card * DVD-Video player * NIC/Switch * Telecom Modem * ADSL Modem * Printer and other peripheral Equipment TO-251 Figure 1. Package Types of CJ1117 JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD 1A LOW DROPOUT LINEAR REGULATOR PIN CONFIGURATIONS T Package (SOT-223) A Package (SOT-89) P Package (TO-220) U Package (TO-252) B Package (TO-263) D Package (TO-251) Figure 2. Pin Configurations of CJ1117 JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD 1A LOW DROPOUT LINEAR REGULATOR FUNCTIONAL BLOCK DIAGRAM Figure 3. Functional Block Diagram of CJ1117 JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD 1A LOW DROPOUT LINEAR REGULATOR ORDERING INFORMATION Package Temperature Range Part Number CJT1117-ADJ CJT1117-1.5 SOT-223 0 to 125 CJT1117-1.8 CJT1117-2.5 CJT1117-3.3 CJT1117-5.0 CJA1117-ADJ CJA1117-1.5 SOT-89 0 to 125 CJA1117-1.8 CJA1117-2.5 CJA1117-3.3 CJA1117-5.0 CJP1117-ADJ CJP1117-1.5 TO-220 0 to 125 CJP1117-1.8 CJP1117-2.5 CJP1117-3.3 CJP1117-5.0 CJU1117-ADJ CJU1117-1.5 TO-252 0 to 125 CJU1117-1.8 CJU1117-2.5 CJU1117-3.3 CJU1117-5.0 CJB1117-ADJ CJB1117-1.5 TO-263 0 to 125 CJB1117-1.8 CJB1117-2.5 CJB1117-3.3 CJB1117-5.0 CJD1117-ADJ CJD1117-1.5 TO-251 0 to 125 CJD1117-1.8 CJD1117-2.5 CJD1117-3.3 CJD1117-5.0 CJ 1117- Z ADJ: Adjustable Output Package T: SOT-223 A: SOT-89 P: TO-220 U: TO-252 B: TO-263 D: TO-251 Circuit Type 1.5: Fixed Output 1.5V 1.8: Fixed Output 1.8V 2.5: Fixed Output 2.5V 3.3: Fixed Output 3.3V 5.0: Fixed Output 5.0V JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD 1A LOW DROPOUT LINEAR REGULATOR ABOSLUTE MAXIMUM RATINGS (NOTE 1) Parameter VIN Maximum Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10sec.) ESD (Machine Model) Value 20 150 -65 to 150 300 600 Unit V V Note 1: Su=tresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings" for extended periods may affect device reliability. RECOMMENDED OPERATING CONDITIONS Parameter VIN Operating Junction Temperature Range Min Max Unit 15 0 125 V JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD 1A LOW DROPOUT LINEAR REGULATOR ELECTRICAL CHARACTERISTICS Operating Conditions: VIN10V, TJ=25 unless otherwise specified. Parameter Reference Voltage Conditions CJ1117-ADJ IOUT=10mA, =2V, 10mAIOUT1A, 1.4VVIN -VOUT 8V, P Maximum power Dissipation CJ1117-1.5,IOUT=10mA, VIN=3.5V 10mAIOUT1A, 3.0VVIN 10V CJ1117-1.8, IOUT=10mA, VIN=3.8V 10mAIOUT1A, 3.2VVIN 10V CJ1117-2.5, IOUT=10mA, VIN=4.5V 10mAIOUT1A, 3.9VVIN 10V CJ1117-3.3, IOUT=10mA, VIN=5.0V 10mAIOUT1A, 4.75VVIN 10V CJ1117-5.0, IOUT=10mA, VIN=7.0V 10mAIOUT1A, 6.5VVIN 12V CJ1117-ADJ IOUT=10mA, 1.5VVIN -VOUT 10V CJ1117-1.5 IOUT=10mA, 1.5VVIN -VOUT 10V CJ1117-1.8 IOUT=10mA, 1.5VVIN -VOUT 10V CJ1117-2.5 IOUT=10mA, 1.5VVIN -VOUT 10V CJ1117-3.3 IOUT=10mA, 1.5VVIN -VOUT 10V CJ1117-5.0 IOUT=10mA, 1.5VVIN -VOUT 10V CJ1117-ADJ VIN-VOUT=2V, 10mAIOUT 1A CJ1117-1.5 VIN-VOUT=2V, 10mAIOUT 1A CJ1117-1.8 VIN-VOUT=2V, 10mAIOUT 1A CJ1117-2.5 VIN-VOUT=2V, 10mAIOUT 1A CJ1117-3.3 VIN-VOUT=2V, 10mAIOUT 1A CJ1117-5.0 VIN-VOUT=2V, 10mAIOUT 1A Min 1.238 1.225 1.485 1.470 1.782 1.746 2.475 2.450 3.267 3.235 4.950 4.900 Typ 1.250 1.250 1.5 1.5 1.8 1.8 2.5 2.5 3.3 3.3 5.0 5.0 0.035 1 1 1 1 1 0.2 1 1 1 1 1 Max 1.262 1.270 1.515 1.530 1.818 1.854 2.525 2.550 3.333 3.365 5.050 5.100 0.2 6 6 6 6 6 0.4 10 10 10 10 15 Unit V V V V V V % mV mV mV mV mV % mV mV mV mV mV Output Voltage Line Regulation Load Regulation JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD 1A LOW DROPOUT LINEAR REGULATOR ELECTRICAL CHARACTERISTICS (CONTINUED) Operating Conditions: VIN10V, TJ=25 unless otherwise specified. Parameter Dropout Voltage Conditions VREF=1%, IOUT=0.1A VREF=1%, IOUT=0.5A VREF=1%, IOUT=1.0A VIN-VOUT=2V 1.4VVIN -VOUT 10V, 10mAIOUT 1A 1.5VVIN -VOUT 10V (ADJ only) VIN= VOUT+1.25V f=120Hz, COUT=22F Tantalum, VIN-VOUT=3V, IOUT=1A TA=125, 1000hrs TA=25, 10Hzf 10KHz SOT-223 TO-252/251 TO-220 TO-263 Junction Temperature Min Typ 1.00 1.08 1.15 1.35 60 0.2 1.7 5 75 0.5 0.3 0.003 15 10 4.5 4 150 25 Max 1.1 1.18 1.25 120 5 5 10 Unit V V V A A A mA mA dB % % % Current Limit Adjust Pin Current Adjust Pin Current Change Minimum Load Current (ADJ) Quiescent Current Ripple Rejection Temperature Stability Long-Term Stability RMS Output Noise (% of VOUT) Thermal Resistance, Junction to Case 1.25 60 /W Thermal Shutdown Thermal Shutdown Hysteresis JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD 1A LOW DROPOUT LINEAR REGULATOR Typical Characteristics CJ1117 JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD 1A LOW DROPOUT LINEAR REGULATOR Typical Characteristics CJ1117 JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD 1A LOW DROPOUT LINEAR REGULATOR Typical Characteristics CJ1117 JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD 1A LOW DROPOUT LINEAR REGULATOR Typical Applications |
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