GM78R09

GM78R09 LOW DROPOUT VOLTAGE REGULATOR Power Management Description THE GM78R09 is a low - dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220 4 lead full mold package. Dropout voltage of GM78R09 is below 0.5V in full rated current (1A). This regulator has various function such as peak current protection, thermal shut down, overvoltage protection and output disable function. Features 1A / 9V Output low dropout voltage regulator TO-220 Full-Mold package (4PIN) Overcurrent protection, Thermal shutdown Overvoltage protection, Short-Circuit Protection With output disable function TYPIC APPLICATION CIRCUITS TO-220F- 4L 1. VIN 2. VO 3. GND 4. VDIS 12 34 Ci + GM78R09 GND VDIS Co + — Ci is required if regulator is located an appreciable distance from power supply filter. — Co improves stability and transient response. (Co > 47µF) w ww.gammamicro.com PRELIMINARY GM78R09 1 Disable Signal Revision 2, Aug 2003 VIN VO GM78R09 PIN CONFIGURATIONS TO - 220F - 4L 78R09 AYW W VIN VO VDIS GND A : Assemble Location Y : Year WW : Work Week ORDERING INFORMATION Ordering Number Package Shipping GM78R09-TBF4T TO - 220F-4L 50 Units/ Tube ABSOLUTE MAXIMUM RATINGS (limiting values, per diode) Symbol VIN VDIS IO Pd1 Pd2 TJ Parameter Input Voltage Disable Voltage Output Current Power Dissipation 1 Power Dissipation 2 Junction Temperature Operating Temperature Thermal Resistance, Junction - to Case (Note 2) Thermal Resistance, Junction - to Air (Note 2 ) Thermal Shutdown Temperature Value 35 35 1.0 1.5 15 +150 -20 ~ +80 4.31 48.83 150 Unit V V A W W °C °C °C/W °C/W °C Remark No Heatsink Whit Heatsink - GM78R09 2 TOPR R R JC JA Ttsd GM78R09 Electrical Characteristics (VIN = 11V, IO = 0.5A, TA = 25°C, unless otherwise specified) Parameter Output Voltage Load Regulation Line Regulation Ripple Rejection Ratio Dropout Voltage Disable Voltage High Disable Voltage Low Disable Bias Current High Disable Bias Current Low Quiescent Current Symbol VO Rload Rline RR Vdrop VdisH VdisL IdisH IdisL IQ Conditions 5mA < IO < 1A 10V < VIN < 25V Note 1 IO = 1A Output Active Output Disabled Vdis = 2.7V Vdis = 0.4V IO = 0A Min. 8.78 45 2.4 Typ. 9 0.1 0.5 55 Max. 9.22 2.0 2.5 0.5 0.8 20 -0.4 10 Unit V % % dB V V V µA mA mA Note: 1. These parameters, although guaranteed, are not 100% tested in production. 2. Junction - to - case thermal resistance test environments. -. Pneumatic heat sink fixture. -. Clamping pressure 60psi through 12mm diameter cylinder. -. Thermal grease applied between PKG and heat sink fixture. BLOCK DIAGRAM(POSITIVE LOGIC) VIN 1 THERMAL SHUTDOWN OVERVOLTAGE PROTECTION Q1 2 VO BANDGAP REFERENCE + R1 SOA PROTECTION OUTPUT ON/ OFF Vdis 4 HIGH/ LOW SHORT-CIRCUIT PROTECTION 1.4V R2 3 GND GM78R09 3 + GM78R09 TYPICAL PERFORMANCE CHARACTERISTICS 10 9 Output Voltage VO (V) 50 7 6 5 4 3 2 1 00 RL = Quiescent Current IQ (mA) 8 40 30 RL = 9W 20 10 RL = 5 10 15 20 25 0 0 5 10 15 Input Voltage (V) Input Voltage VIN (V) Figure 1. Output Voltage vs. Input Voltage 7 6 Output Voltage VO (V) Figure 2. Quiescent Current vs. Input Voltage 5.06 5.04 Output Voltage VO (V) 5 4 3 2 1 0 0 0.5 1 1.5 2.0 2.5 3 Disable Voltage Vdis (V) 5.02 5.00 4.98 4.96 4.94 4.92 -25 0 25 50 75 100 125 TEMPERATURE TJ (°C) Figure 3. Output Voltage vs. Disable Voltage 10 0.6 0.5 Dropout Voltage Vdrop (V) Figure 4. Output Voltage vs. Input Voltage Quiescent Current IQ (mA) 8 0.4 IO = 3A 0.3 0.2 0.1 0.5A 0 -25 2.0A 1.0A 6 4 GM78R09 2 0 0 5 10 15 0 25 50 75 100 125 Junction temperature TJ(°C) Junction temperature TJ (°C) Figure 5. Quiescent Current vs. Temperature(TJ) Figure 6. Quiescent Current vs. Temperature(TJ) 4 GM78R09 Power Management TYPICAL PERFORMANCE CHARACTERISTICS 20 Power dissipation PD (W) 15 10 5 0 -25 0 25 50 75 100 125 TEMPERATURE TA (°C) Figure 7. Quiescent Current vs. Temperature(TJ) TO-220F-4L PFABPACK PACKAGE OUTLINE DIMENSIONS 4.50 ± 0.20 3.20 ± 0.20 3.40 ± 0.10 10.00 ± 0.20 (5.00) (0.35) (0.35) (3- 1.50 Dp0.10) (1.50) 2.80 ± 0.20 (5°) (10.40) 15.60 ± 0.20 15.70 ± 0.20 (1.0) (3.30) 6.30 ± 0.30 1.25MIN 1.50MAX (13.60) 0.15 ± 0.10 0.50 +0.10 -0.05 (1.80) 2.54TYP (1.19) (2.54 ± 0.25) (7.62) GM78R09 5