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78L09
D D D D D D
3-Terminal Regulators Output Current up to 100 mA No External Components Internal Thermal-Overload Protection Internal Short-Circuit Current Limiting Provided Pb-Free packages from the end of 2004
Positive-Voltage Regulators
O C
I
TO-92
78L09ACZ
description
This series of fixed-voltage integrated-circuit voltage regulators is designed for a wide range of applications. These applications include on-card regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used with power-pass elements to make high-current voltage regulators. One of these regulators can deliver up to 100 mA of output current. The internal limiting and thermal-shutdown features of these regulators make them essentially immune to overload. When used as a replacement for a zener diode-resistor combination, an effective improvement in output impedance can be obtained, together with lower bias current.
INPUT COMMON OUTPUT
OUTPUT GND INPUT
SOT-89
78L09CPK
electrical characteristics at specified virtual junction temperature, VI = 16V, I o =40mA (unless otherwise noted)
PARAMETER TEST CONDITIONS TJ MIN 25C Output voltage
8.6
78L09
TYP 9 MAX 9.4
UNIT
IO =1mA to 40MA, V1= 12V to 24V
IO = 1 mA to 70 mA VI = 12V to 24V VI = 13V to 24V VI = 15V to 25V f = 120 Hz
20 V
I
1 mA to 40 mA At A
Full range
8.55
9
9.45
9.45 175
V
Full range 25C 25 C 25C 25C 25 C 25C 25C 25C 125C
8.55
9
Input voltage regulation Ripple rejection Output voltage regulation Output noise voltage Dropout voltage
45
40
38 45
19
mV mV
dB
125
90
IO = 1 mA to 100 mA IO = 1 mA to 40 mA f = 10 Hz to 100 kHz
11
58
1.7
4.1
40
mV mV V V
Bias current current Bias c rrent
Bias current change VI =13V to 24V IO = 1 mA to 40 mA
6
5.5 1.5
mA mA mA mA
Full range F ll Full
0.1
Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately. All characteristics are measured with a 0.33-F capacitor across the input and a 0.1-F capacitor across the output. Full range for the 78L05 is T J = 0C to 70C
Wing Shing Computer Components Co., (H.K.)Ltd. Homepage: http://www.wingshing.com
Tel:(852)2341 9276 Fax:(852)2797 8153 E-mail: wsccltd@hkstar.com
2-1
WS 78L09
absolute maximum ratings over operating temperature range (unless othewise noted)
78L09
Input voltage VI voltage, Virtual junction temperature range, TJ Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds Storage temperature range, Tstg
PARAMETER
UNIT V C C C
30
150 260 -65 to 150
recommended operating conditions
78L09
voltage, Input voltage VI MIN MAX UNIT
11.5
24
100
V
mA
Output current, IO
Operating virtual j g junction temperature, TJ
0
70
C
Pad Location 78L09
90um
3
85um
90um
2
90um
9 9
95um
1
100um
Chip size 1.0 x 1.2 mm
Pad N 1 2 3
Pad Name Ground Input Output
X (um)
Y (um)
95 820 535
100 1010 1015
2-2

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