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KA317M Dataheets PDF



Part Number KA317M
Manufacturers Fairchild
Logo Fairchild
Description 3-Terminal 0.5A Positive Adjustable Regulator
Datasheet KA317M DatasheetKA317M Datasheet (PDF)

www.fairchildsemi.com KA317M 3-Terminal 0.5A Positive Adjustable Regulator Features • • • • • • Output Current in Excess of 0.5A Output Adjustable Between 1.2V and 37V Internal Thermal Overload Protection Internal Short Circuit Current Limiting Output Transistor Safe Area Compensation Floating Operation for High Voltage Applications Description The KA317M is a 3-Terminal adjustable positive voltage regulator capable of supplying in excess of 500mA over an output voltage range of 1.2V to 37V. .

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www.fairchildsemi.com KA317M 3-Terminal 0.5A Positive Adjustable Regulator Features • • • • • • Output Current in Excess of 0.5A Output Adjustable Between 1.2V and 37V Internal Thermal Overload Protection Internal Short Circuit Current Limiting Output Transistor Safe Area Compensation Floating Operation for High Voltage Applications Description The KA317M is a 3-Terminal adjustable positive voltage regulator capable of supplying in excess of 500mA over an output voltage range of 1.2V to 37V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. D-PAK 2 1 3 1. Adj 2. Output 3. Input TO-220 12 3 Internal Block Diagram V in 3 Input + - V olta ge Re fe re nce P rote ction Circ uitry R limit 2 1 V ad j Vo Output Rev. 1.0.2 ©2002 Fairchild Semiconductor Corporation KA317M Absolute Maximum Ratings Parameter Input Output Voltage Differential Power Dissipation Thermal Resistance Junction-Air D-PAK (Note1,2) Operating Junction Temperature Range Storage Temperature Range Symbol VI - VO PD RθJA Tj TSTG Value 40 Internally limited 100 0 ~ +125 -65 ~+125 Unit V W °C/W °C °C Electrical Characteristics (VI-VO=5V, IO= 0.1A, 0°C ≤ TJ ≤ + 125°C, PDMAX = 7.5W, unless otherwise specified) Parameter Line Regulation (Note3) Symbol Rline Conditions TA = +25°C, 3V ≤ VI −VO ≤ 40V 3V ≤ VI −VO ≤ 40V TA =+ 25°C, 10mA ≤ IO ≤ 0.5A VO ≤ 5V VO ≥ 5V 10mA ≤ IO ≤ 0.5A VO ≤ 5V VO ≥ 5V Adjustment Pin Current Adjustment Pin Current Change Reference Voltage Temperature Stability Minimum Load Current to Maintain Regulation IADJ ∆IADJ VREF STT IL(MIN) VI - VO = 40V VI - VO ≤15V, PD < PDMAX Maximum Output Current IO(MAX) RMS Noise, % of VOUT Ripple Rejection Long-Term Stability eN RR ST VI - VO = 40V PD < PDMAX, TA =+ 25°C TA = +25°C, 10Hz < f < 10KHz VO = 10V, f = 120Hz without CADJ CADJ = 10uF (Note4) TJ =+ 125°C, 1000Hours 3V ≤ VI - VO ≤ 40V 10mA ≤ IO ≤ 0.5A, PD < PDMAX 3V < VI - VO < 40V 10mA ≤ IO ≤ 0.5A, PD < PDMAX Min. Typ. 0.01 0.02 5 0.1 20 0.3 50 0.2 1.25 0.7 3.5 0.9 0.25 0.003 65 80 0.3 Max. 0.04 0.07 25 0.5 70 1.5 100 5 1.30 10 1 %/ VO dB %/1000Hrs %/ V mV %/ VO mV %/ VO uA uA V %/ VO mA A Unit Load Regulation (Note3) Rload 1.20 0.5 0.15 - 66 - Note : 1. Thermal resistance test board Size: 76.2mm * 114.3mm * 1.6mm(1S0P) JEDEC standard: JESD51-3, JESD51-7 2. Assume no ambient airflow. 3. Load and Line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty cycle is used. 4. CADJ, when used, is connected between the adjustment pin and ground. 2 KA317M Typical Performance Characteristics Figure 1. Minimum Load Current Figure 2. Peak Output Current vs. Input-Output Differential Voltage Figure 3. Adjustment Pin Current vs. Temperature Figure 4. Ripple Rejection vs. Frequency Figure 5. Load Regulation vs. Temperature Figure 6. Line Regulation vs. Temperature 3 KA317M Typical Performance Characteristics (Continued) Figure 7. Outputvoltage vs. Temperature Figure 8. Thermal Shutdown 4 KA317M Typical Application Input Output Figure 1. 15V Electronic Shutdown Regulator D1 protects the device during an input short circuit. Input Output Figure 2. Slow Turn-On Regulator Input Output Figure 3. Current Regulator 5 KA317M Mechanical Dimensions Package Dimensions in millimeters TO-220 9.90 ±0.20 1.30 ±0.10 2.80 ±0.10 (8.70) ø3.60 ±0.10 (1.70) 4.50 ±0.20 1.30 –0.05 +0.10 9.20 ±0.20 (1.46) 13.08 ±0.20 (1.00) (3.00) 15.90 ±0.20 1.27 ±0.10 1.52 ±0.10 0.80 ±0.10 2.54TYP [2.54 ±0.20] 2.54TYP [2.54 ±0.20] 10.08 ±0.30 18.95MAX. (3.70) (45° ) 0.50 –0.05 +0.10 2.40 ±0.20 10.00 ±0.20 6 KA317M Mechanical Dimensions (Continued) Package Dimensions in millimeters D-PAK 6.60 ±0.20 5.34 ±0.30 (0.50) (4.34) (0.50) 0.70 ±0.20 2.30 ±0.10 0.50 ±0.10 0.60 ±0.20 6.10 ±0.20 2.70 ±0.20 9.50 ±0.30 0.91 ±0.10 0.80 ±0.20 MAX0.96 2.30TYP [2.30±0.20] 0.76 ±0.10 2.30TYP [2.30±0.20] 0.89 ±0.10 0.50 ±0.10 1.02 ±0.20 2.30 ±0.20 (0.70) (0.90) (0.10) (3.05) 6.10 ±0.20 9.50 ±0.30 2.70 ±0.20 (2XR0.25) 0.76 ±0.10 7 (1.00) 6.60 ±0.20 (5.34) (5.04) (1.50) MIN0.55 KA317M Ordering Information Product Number KA317M KA317MR Package TO-220 D-PAK Operating Temperature 0 ~ 125 °C DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, .


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