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GM78R33A Dataheets PDF



Part Number GM78R33A
Manufacturers Gamma
Logo Gamma
Description (GM78RxxA) 1A LOW DROPOUT VOLTAGE REGULATORS
Datasheet GM78R33A DatasheetGM78R33A Datasheet (PDF)

www.DataSheet4U.com Description THE GM78R05A is a low - dropout voltage regulator, suitable for various electronic equipments. It provides constant voltage power source with TO-220 4 leads full mold package. Dropout voltage of GM78R05A 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 / 5V Output low dropout voltage regulator TO-220 Full-Mold package (.

  GM78R33A   GM78R33A


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www.DataSheet4U.com Description THE GM78R05A is a low - dropout voltage regulator, suitable for various electronic equipments. It provides constant voltage power source with TO-220 4 leads full mold package. Dropout voltage of GM78R05A 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 / 5V Output low dropout voltage regulator TO-220 Full-Mold package (4PIN) Overcurrent protection, Thermal shutdown Overvoltage protection, Short-Circuit Protection With output disable function TYPICAL APPLICATION CIRCUITS TO- 220F- 4L 1. VIN 2. VO 3. GND 4. VDIS 12 34 VIN Ci VO Co + + GM78R05A GND VDIS Disable Signal — Ci is required if regulator is located an appreciable distance from power supply filter. — Co improves stability and transient response. (Co > 47µF) www.gammamicro.com GM78R05A V0.1 1 MARKING INFORMATION & PIN CONFIGURATIONS TO- 220F- 4L GM78R05A AYW W VIN VO VDIS GND A : Assembly Location Y : Year WW : Weekly ORDERING INFORMATION Ordering Number Package Shipping GM78R05ATBF4T TO- 220F- 4L 50 Units/ Tube * For detail Ordering Number identification, please see last page. ABSOLUTE MAXIMUM RATINGS Symbol VIN VDIS IO Pd1 Pd2 TJ Parameter Input Voltage Disable Voltage Output Current Power Dissipation 1 Power Dissipation 2 Junction Temperature Operating Junction 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 - GM78R05A 2 TOPR RqJC RqJA Ttsd Electrical Characteristics (VIN = 7V, 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 Input Current High Disable Input Current Low Quiescent Current Symbol VO Rload Rline RR Vdrop VdisH VdisL IdisH IdisL IQ Conditions 5mA < IO < 1A 6V < VIN < 12V Note 1 IO = 1A Output Active Output Disabled Vdis = 2.7V Vdis = 0.4V IO = 0A Min. 4.88 45 2.0 Typ. 5 0.1 0.5 55 Max. 5.12 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 GM78R05A 3 TYPICAL PERFORMANCE CHARACTERISTICS 7 6 Quiescent Current IQ (mA) Output Voltage VO (V) 80 5 4 3 2 1 0 0 5 10 Input Voltage (V) 60 RL = RL = 5W 40 20 RL = 15 0 0 5 10 Input Voltage VIN (V) 15 20 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 0.55 0.50 Dropout Voltage Vdrop (V) Figure 4. Output Voltage vs. Temperature (TJ) Quiescent Current IQ (mA) 8 0.45 0.40 0.35 0.30 0.25 1.0A 6 4 2 GM78R05A 0 0 5 10 15 0.20 -25 0 25 50 75 100 125 Junction temperature TJ(°C) Junction temperature TJ (°C) Figure 5. Quiescent Current vs. Temperature(TJ) Figure 6. Dropout Voltage vs. Temperature(TJ) 4 TYPICAL PERFORMANCE CHARACTERISTICS 20 Power dissipation PD (W) 15 10 5 0 -25 0 25 50 75 100 125 TEMPERATURE TA (°C) Figure 7. Power Dissipation vs. Temperature(TA) TO-220FPAB-4 PACKAGE OUTLINE DIMENSIONS 3.20 ± 0.20 3.40 ± 0.10 10.00 ± 0.20 (5.00) (3.50) (3.50) 4.50 ± 0.20 (3- 1.50 Dp010) (5°) (1.50) 6.50 ± 0.20 (45°) 15.70 ± 0.20 1.00 (5°) (3.30) 3-1.05MIN 3-1.30MAX 0.60 ± 0.10 1.25MIN 1.50MAX 2.54TYP (2.54 ± 0.25) 3 - R 0.25 2.80 ± 0.20 (1.00) (5°) (3.50) (3.50) (3- 1.50 Dp010) (1.90) (10.40) 15.60 ± 0.20 (10.05) (5°) (13.60) 1.50 ± 0.20 10.30 ± 0.30 (7.62) (1.19) 5° 0.15 -0.05 +0.10 5° 4 - R 0.25 Unit: mm GM78R05A 5 ORDERING NUMBER GM 78R 05 A TBF4 T Gamma Micro. Circuit Type Shipping T: Tube Package TBF4: TO-220-4L Output Voltage 05: 5.0V Version Code GM78R05A 6 7 GM78R05A Description THE GM78R09A is a low - dropout voltage regulator, suitable for various electronic equipments. It provides constant voltage power source with TO-220 4 leads full mold package. Dropout voltage of GM78R09A 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 / 9.0 V Output lo.


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