SI-3010KF

1-1-4 Linear Regulator ICs SI-3000KF Series Low Current Consumption, Low Dropout Voltage ■Features ■Absolute Maximum Ratings • Compact full-mold package (equivalent to TO220) Parameter • Output current: 1.0A • Low dropout voltage: VDIF ≤ 0.5V (at IO = 1.0A) • High ripple rejection: 75dB Symbol • Built-in overcurrent and thermal protection circuits 35*1 V Output Control Terminal Voltage Vc VIN V DC Output Current Io 1.0 A PD1 16.6 W With infinite heatsink PD2 1.72 W Without heatsink, stand-alone operation Junction Temperature Tj –40 to +125 °C Storage Temperature Tstg –40 to +125 °C Operating Ambient Temperature Top –40 to +100 °C Thermal Resistance (Junction to Case) θ j-c 6.0 °C/W Thermal Resistance (Junction to Ambient Air) θ j-a 58 °C/W ns ■Recommended Operating Conditions Ratings Parameter Without heatsink, stand-alone operation *1: A built-in input-overvoltage-protection circuit shuts down the output voltage at the Input Overvoltage Shutdown Voltage of the electrical characteristics. Symbol SI-3010KF es ig • Secondary stabilized power supply (local power supply) Remarks VIN D ■Applications Unit SI-3010KF DC Input Voltage Power Dissipation • Low circuit current at output OFF: Iq (OFF) ≤ 1µ A (Ta=25°C) Ratings Unit Input Voltage Range VIN 2.4*2 to 27*1 Output Current Range IO 0 to 1.0*1 Output Voltage Variable Range VOADJ 1.1 to 16 V Operating Ambient Temperature Top –30 to +85 °C Operating Junction Temperature Tj –20 to +100 °C V *1: VIN (max) and IO (max) are restricted by the relationship PD (max) = (VIN - VO) × IO = 16.6W. *2: Refer to the Dropout Voltage parameter. fo ■Electrical Characteristics rN ew A Ratings d Symbol Parameter VADJ Reference Voltage 0.98 en Conditions ∆VOLINE Line Regulation Conditions Overcurrent Protection Starting Current*3 Control Voltage (Output ON)*4 VC Terminal Control Voltage (Output OFF) Control Current (Output ON) Control Current (Output OFF) Input Overvoltage Shutdown Voltage 30 75 VIN=7V, IO=0 to 1A, VC=2V, VO=5A Conditions VIN=7V, IO=0A, VC=2V Iq (OFF) Conditions RREJ µA mV/ °C 75 dB 1.1 A VIN=7V, VC=2V 2 Conditions V VIN=7V VC, IL 0.8 Conditions VIN=7V IC, IH 40 Conditions VIN=7V, VC=2V –5 Conditions VOVP 1 VIN=7V, IO=0.1A, VC=2V, f=100 to 120Hz, VO=5V Conditions Conditions µA ±0.5 Conditions IC, IL 0 VIN=7V, VC=0V 33 IO=0.01A *3: IS1 is specified at the 5% drop point of output voltage VO on the condition that VIN = overcurrent protection starting current, IO = 10 mA. *4: Output is OFF when the output control terminal VC is open. Each input level is equivalent to LS-TTL level. Therefore, the device can be driven directly by LS-TTLs. *5: SI-3000KFE cannot be used in the following applications because the built-in foldback-type overcurrent protection may cause errors during start-up stage. (1) Constant current load (2) Positive and negative power supply (3) Series-connected power supply (4) VO adjustment by raising ground voltage 82 ICs V 600 VIN=7V, IO=0.01A, VC=2V, Tj=0 to 100°C, VO=2.5V Conditions VC, IH mV VIN=7V, VC=0V ∆VO/∆Ta IS1 mV IO=1.0A, VC=2V, VO=5V R N Ripple Rejection V VIN=6 to 15V, IO=0.01A, VC=2V, VO=5A Iq Temperature Coefficient of Output Voltage 1.02 0.5 ot Circuit Current at Output OFF 1.00 VIN=7V, IO=0.01A, VC=2V, VO=5A 0.3 Conditions Quiescent Circuit Current max. IO=0.5A, VC=2V, VO=5V Conditions Dropout Voltage Unit typ. ec o VDIF m ∆VOLOAD m Conditions Load Regulation de min. SI-3010KF V µA µA V SI-3000KF Series ■Block Diagram ■Ta-PD Characteristics SI-3010KF 20 4 VOUT VC 1 5 ADJ TSD – + 3 GND Silicone Grease: G746 (Shin-Etsu Chemical) Heatsink: Aluminum 15 200×200×2mm (2.3°C/W) 10 100×100×2mm (5.2°C/W) 75×75×2mm (7.6°C/W) 5 ns VIN 2 Power Dissipation PD (W) With Infinite Heatsink Without Heatsink REF es ig 0 –30 0 20 40 60 80 Ambient Temperature Ta (°C) 100 D –20 ew ■Typical Connection Diagram ●SI-3010KF rN D1*1 VIN 2 VO 4 R1 fo + VC GND ADJ 1 5 3 *2 de d CIN Load CO R2 R3 R1, R2: Output voltage setting resistors The output voltage can be adjusted by connecting R1 and R2 as shown above. The recommended value for R2 is 10kΩ. m en CIN: Input capacitor (22µF or larger) CO: Output capacitor (47µF or larger) If a low ESR capacitor (such as a ceramic capacitor) is used for the output capacitor, oscillation may occur. + m R1=(VO–VADJ)÷(VADJ/R2) *1. D1: Reverse bias protection diode This diode is required for protection against reverse biasing between the input and output. (Sanken RU2Z is recommended.) R ec o *2: Insert R3 in case of setting VO to VO ≤ 1.5V. The recommended value for R3 is 10kΩ. ■External Dimensions (TO220F-5) 4.2±0.2 ±0.2 2.8 16.9±0.3 (2.0) 2.6±0.1 ±0.15 P1.7±0.7×4=6.8±0.7 (4.6) +0.2 0.85 –0.1 4.6±0.6 0.95 +0.2 0.45 –0.1 3.9±0.7 (17.9) φ 3.2±0.2 0.5 ±0.2 10.0 4.0±0.2 7.9±0.2 N ot (Unit : mm) Pin Assignment q Vc w VIN e GND r Vout t ADJ Plastic Mold Package Type Flammability: UL 94V-0 Product Mass: Approx. 2.3 g (4.3) 8.2±0.7 1 2 3 4 5 ICs 83