LM7905XE SEME-LAB | Alldatasheet
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Technical content
Issue: 2 Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders.
1.5 AMP
FEATURES
- OUTPUT VOLTAGE OF -5V THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION 3 OUTPUT TRANSISTOR SOA PROTECTION V I DC Input Voltage PD Power Dissipation Tj Operating Junction Temperature Range Tstg Storage Temperature 35V Internally limited –55 to 150°C –65 to 150°C ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated) 1.39 (0.055) 1.15 (0.045) 0.76 (0.030) 0.51 (0.020) 1.39 (0.055) 1.02 (0.040) 15 161312 14 34567 9.14 (0.360) 1.07 (0.040) ≈ 2.16 (0.085) 7.62 (0.300) 7.12 (0.280) 1.65 (0.065) 1.40 (0.055) 0.33 (0.013) 0.08 (0.003) 0.43 (0.017) 0.18 (0.007 Rad. Rad. Pins 4,5 – V OUT Pins 15,16,17,18,1,2 – VIN LCC4 CERAMIC SURFACE MOUNT MECHANICAL DATA Dimensions in mm (inches)
Issue: 2 Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. LM7905XE Parameter Test Conditions Min. Typ. Max. Units -4.9 -5 -5.1 -4.8 -5.2 32 5 35 0 12 5 25 0 25 100 25 100 1 1.9 0.2 0.4 0.2 0.5 100 1.4 0.6 1.2 2.4 3.3 0.2 -7.3 V mV mV mA mA µV dB V m Ω A mV V Output Voltage Line Regulation Load Regulation Quiescent Current Quiescent Current Change Output Noise Voltage Ripple Rejection Dropout Voltage Output Resistance Short Circuit Current Peak Output Current Average Temperature Coefficient of V O Input Voltage required to maintain line regulation I O = 500mA V IN = -10V IO = 5mA to IMAX VIN = -7.5V to -20V PD ≤ PMAX TJ = -55 to 150°C VIN = -7V to -25V IO = 0.5 IMAX VIN = -7.5V to -20V TJ = -55 to 150°C VIN = -8V to -12V IO ≤ IMAX TJ = -55 to 150°C IO = 5mA to 1.5A VIN = -10V I O = 5mA to IMAX TJ = -55 to 150°C IO ≤ 0.5 IMAX VIN = -10V T J = -55 to 150°C IO = 5mA to IMAX VIN = -10V T J = -55 to 150°C f = 10Hz to 100kHz V IN = -10V f = 120Hz I O ≤ IMAX VIN = -8V to -18V IO ≤ 0.5 IMAX TJ = -55 to 150°C IO = IMAX f = 1 kHz VIN = -35V VIN = -10V IO = 5mA IO ≤ IMAX 1) All characteristics are measured with a capacitor across the input of 0.22µF and a capacitor across the output of 0.1µF. 2) All characteristics except noise voltage and ripple rejection ratio are measured using pulse techniques (tp ≤ 10ms, δ≤ 5%). Output voltage changes due to changes in internal temperature must be taken into account separately. 3) External current limiting circuitry may be required in order to maintain safe area of operation. VO ∆VO ∆VO IQ ∆IQ VN ∆VIN ∆VO R O Isc Ipk
Issue: 2 Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. GND VIN V OUT C1* 2.2µF TANT. C2** 1 µF TANT. INPUT OUTPUT GND VIN V OUT 2.2µF TANT. INPUT OUTPUT 1 µF TANT. R1GND VIN V OUT 2.2µF TANT. INPUT OUTPUT IOUT 1µF TANT. Fixed Output Regulator * Required if the regulator is located far from the power supply. ** Required for stability. 25µF electrolytic may be substituted. Current RegulatorAdjustable Output Regulator APPLICATIONS INFORMATION (R1+R2)VOUT ≈ VREG R1 VREGIOUT = + IQR1