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IL78LXX THREE-TERMINAL LOW CURRENT POSITIVE VOLTAGE REGULATORS
The IL78LXX, A Series of positive voltage regulators are inexpensive, easy-to-use devices suitable for a multitude of applications that require a regulated supply of up to 100 mA. These regulators feature internal current limiting and thermal shutdown making them remarkably rugged. No external components are required with the IL78LXX devices in many applications. These devices offer a substantial performance advantage over the traditional zener diode-resistor combination, as output impedance and quiescent current are substantially reduced.
TO-226AA / TO-92
Pin 1. Output 2.Ground 3.Input
FEATURES
* Wide Range of Available, Fixed Output Voltages * Low Cost * Internal Short Circuit Current Limiting * Internal Thermal Overload Protection * No External Components Required * Complementary Negative Regulators Offered (IL79LXX Series) * Available in either 5% (AC) or 10% (C) Selections
Standard application
Vin Vout
I L 78L XX
N in* 0.33F
N o** 0.1F
A common ground is required between the input and the output voltages. The input voltage must remaintypically 2.0 V above the output voltage even during the low point on the input ripple voltage. *C in is required if regulator is located an *appreciable distance from power supply filter. **C O is not needed for stability; however, it does *improve transient response.
ABSOLUTE MAXIMUM RATINGS
Rating Input Voltage (2.6 V-8.0 V) (12V-18V) (24V) Storage Temperature Range Operating Junction Temperature Range Symbol Vl Value 30 35 40 -65 to +150 010+150 Unit Vdc
Tstg
TJ
C C
1
IL78LXX
IL78L05 ELECTRICAL CHARACTERISTICS
(Vl=10 V, Io= 40 mA, Cl = 0.33 F, Co = 0.1 F, -40C < TJ < +125C unless otherwise noted.) Characteristics Symbol Min Typ Max Unit
Output Voltage (TJ=+25C) Line Regulation (TJ = +25C, Io =40 mA)
VO
4.6
5.0
5.4
Regline Pegload VO 4.5 4.5 IIB IIB Vn RR Vi-Vo 40 40 49 1.7 1.5 0.2 3.8 6.0 5.5 5.5 5.5 11 5.0 60 30 55 45 200 150
Vdc mV
7.0 Vdc Vi 20 Vdc 7.1 8.0 Vdc Vi 20 Vdc
Load Regulation (TJ = +25C, 1.0 mA IO 100 mA) (TJ = +25C, 1.0mA Io 40 mA) Output Voltage (7.0VdcVi20Vdc, 1.0 mAIo40 mA) (Vi=10 V, 1.0 mAIo70 mA) Input Bias Current (TJ = +25C) (TJ =+125C) Input Bias Current Change
mV
Vdc
mA
mA
(8.0 VdcVi20 Vdc)
(1.0 mAIo40 mA) Output Noise Voltage (TA=+25C, 10 Hzf100 kHz) Ripple Rejection (IO = 40 mA, f= 120 Hz, 8.0 VdcVi18 V, TJ= +25C) Dropout Voltage (TJ = +25C)
V dB Vdc
IL78L08 ELECTRICAL CHARACTERISTICS
(Vi=14V, Io =40mA, Ci=0,33F, Co=0,1F, -40COutput Voltage (TJ = +25C) Line Regulation (TJ = +25C, Io = 40 mA) 10.5VdcVi23Vdc 11 Vdc Vi 23 Vdc Load Regulation (TJ = +25C, 1.0 mA Io 100 mA) (TJ = +25C, 1.0 mA Io 40 mA) Output Voltage (10.5VdcVi23Vdc, 1.0 mA Io40 mA) (Vi =14V, 1.0 mAIo70 mA) Input Bias Current (TJ = +25C) (TJ = +125C) Input Bias Current Change (11 Vdc Vi 23 Vdc) (1.0 mA Io 40 mA) Output Noise Voltage (TA = +25C, 10 Hz 5 15100 kHz) Ripple Rejection (IQ = 40 mA, 1 s 120 Hz, 12 V 5 V[ < 23 V, TJ = +25C) Dropout Voltage (TJ +25C) VO Regline Pegload VO 7.2 7.2 IIB IIB Vn RR Vl-VQ 36 52 55 1.7 1.5 0.2 nV dB Vdc 3.0 6.0 5.5 mA 8.8 8.8 mA 15 6.0 80 40 Vdc 20 12 200 150 mV 7.36 8.0 8.64
Unit
Vdc mV
2
IL78LXX
IL78L09 ELECTRICAL CHARACTERISTICS
(Vi=15V, Io=40mA,Ci=0.33F,Co=0.1F,-40COutput Voltage (TJ = +25C) Line Regulation (TJ = +25C, Io = 40 mA) 11.5Vdc Vi 24Vdc 12Vdc Vi< 24Vdc Load Regulation (TJ =. +25C, 1.0 mA Io 100 mA) (TJ = +25C, 1.0 mA Io 40 mA) Output Voltage (11.5VdcVi24Vdc, 1.0 mA < Io 40mA) (Vi= 15V, 1.0 mA Io 70 mA) Input Bias Current (TJ = +25C) (TJ = +125C) Input Bias Current Change (11 Vdc Vi 23 Vdc) (1.0mA Io 40mA) Output Noise Voltage (TA = +25C, 10 Hz f 100 kHz) Ripple Rejection (IO = 40 mA, f= 120 Hz, 13VVi 24 V, TJ=+25C) Dropout Voltage (TJ = +25C) Vo Regline Reaload Vo 8.1 8.1 IIB IIB Vn RR Vi-Vo 36 52 55 1.7 1.5 0.2 V dB Vdc 3.0 6.0 5.5 mA 9.9 9.9 mA 15 6.0 90 40 Vdc 20 12 200 150 mV 8.3 9.0 9.7
Unit
Vdc mV
IL78L12 ELECTRICAL CHARACTERISTICS
(Vi =19 V, Io =40 mA, Ci = 0.33 F, Co = 0.1 F, -40C < TJ < +125C, unless otherwise noted.) Characteristics Symbol Min Typ Max Unit
Output Voltage (TJ = +25C) Line Regulation (TJ = +25C. IQ = 40 mA) 14.5Vdc Vi 27Vdc 16 Vdc Vi 27 Vdc Load Regulation (TJ = +25C, 1.0 mA Io 100 mA) (TJ = +25C, 1.0 mA Io 40 mA) Output Voltage (14.5Vdc Vi 27Vdc, 1.0mAIo 40mA) (Vi = 19V, 1.0mA 3
IL78LXX
IL78L15 ELECTRICAL CHARACTERISTICS
(Vi = 23 V, Io = 40 mA, Ci = 0.33 F, Co= 0.1 F, -40C < TJ < +125C unless otherwise noted.) Characteristics Symbol Min Typ Max Unit
Output Voltage (TJ = +25C) Line Regulation (TJ = +25C, Io = 40mA) 17.5Vdc Vi 30Vdc 20Vdc Vi 30Vdc Load Regulation (TJ = +25C, 1.0 mA Io 100 mA) (TJ = +25C, 1.0 mA Io < 40 mA) Output Voltage (17.5VdcVi 30Vdc, 1.0 mAIo 40 mA) (Vi = 23V, 1.0mA Io 70 mA) Input Bias Current (TJ = +25C) (TJ = +125C) Input Bias Current Change (20Vdc Vi 30Vdc) (1.0mA Io 40 mA) Output Noise Voltage (TA = +25C, 10Hz f 100 kHz) Ripple Rejection (IO = 40 mA, f =120 Hz, 18.5V Vi 28.5V, TJ = +25C) Dropout Voltage (TJ = +25C) Vo Regline Pegload Vo 13.5 13.5 IIB IIB Vn RR Vi-Vo 33 90 39 1.7 1.5 0.2 nV dB Vdc 4.4 6.5 6.0 mA 16.5 16.5 mA 25 12 150 75 Vdc 130 110 300 250 mV 13.8 15 16.2 Vdc mV
IL78L18 ELECTRICAL CHARACTERISTICS
(Vi = 27 V, Io = 40 mA, Ci = 0.33 F, Co = 0.1 F. 0C < TJ < +125C, unless otherwise noted.) Characteristics Symbol Min Typ Max Unit
Output Voltage (TJ = +25C) Line Regulation (TJ = +25C, Io= 40 mA) 20.7Vdc Vi 33Vdc 21 Vdc Vi < 33Vdc Load Regulation (TJ = +25C, 1.0 mA Io 100 mA) (TJ = +25C, 1.0 mA Io 40 mA) Output Voltage (21.4VdcVi33Vdc, 1.0 mA Io 40 mA) (20.7Vdc Vi33Vdc, 1.0mA Io 40 mA) (Vi = 27 V, 1.0mA Io 70 mA) (Vi = 27V, 1.0mA Io 70mA) Input Bias Current (TJ = +25C) (TJ = +125C) Input Bias Current Change (22Vdc Vi 33Vdc) (21Vdc Vi 33 Vdc) (1.0mA Io 40 mA) Output Noise Voltage (T=+25C,10Hz Io lOOkHz) Ripple Rejection (IO = 40 mA,f = 120 Hz, 23 V Vi 33 V, TJ = +25C) Dropout Voltage (TJ = +25C) VO Regline 32 27 Pegload Vo 16.2 16.2 IIB IIB Vn RR Vi-Vo 32 150 46 1.7 1.5 0.2 nV dB Vdc 3.1 6.5 6.0 mA 19.8 19.8 mA 30 15 170 85 Vdc 325 275 mV 16.6 18 19.4 Vdc mV
4
IL78LXX
IL78L24 ELECTRICAL CHARACTERISTICS
(Vi = 33 V, Io = 40 mA, Ci = 0.33 F. Co = 0.1 F, 0C < TJ < +125C, unless otherwise noted.) Characteristics Symbol Min Typ Max Unit
Output Voltage (TJ = +25C) Line Regulation (TJ = +25C, Io = 40 mA) 27.5 Vdc Vi 38 Vdc 28 Vdc Vi 38 Vdc Load Regulation (TJ = +25C, 1.0 mA Io 100 mA) (TJ = +25C, 1.0 mA Io 40 mA) Output Voltage (28Vdc Vi 38Vdc, 1.0 mA Io 40 mA) (27Vdc Vi 33Vdc, 1.0 mA Io 70 mA) Input Bias Current (TJ = +25C) (TJ = +125C) Input Bias Current Change (28 Vdc Vi 38 Vdc) (1.0 mA Io 40 mA) Output Noise Voltage (T = +25C, 10Hz f 100 kHz) Ripple Rejection (IO = 40 mA, f= 120 Hz, 29V Vi 35V, TJ = +25C) Dropout Voltage (TJ = +25C) VO Regline Regload VO 21.6 21.6 IIB IIB Vn RR Vi-Vo 30 200 43 1.7 1.5 0.2 nV dB Vdc 3.1 6.5 6.0 rnA 26.4 26.4 mA 40 20 200 100 Vdc 35 30 350 300 mV 22.1 24 25.9 Vdc mV
5

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