7905K View Datasheet(PDF) - Microsemi Corporation
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7905K Datasheet PDF : 7 Pages
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SG7900A/SG7900 SERIES
CHARACTERISTIC CURVES (continued)
NEGATIVE REGULATOR
FIGURE 4.
SHORTCIRCUIT CURRENT VS. VIN
FIGURE 5.
QUIESCENT CURRENT VS. VIN
FIGURE 6.
SHORT CIRCUIT CURRENT VS. VIN
FIGURE 7.
DROPOUT CHARACTERISTICS
APPLICATIONS
FIGURE 8.
RIPPLE REJECTION VS. FREQUENCY
FIGURE 9 - FIXED OUTPUT REGULATOR
FIGURE 10 - CIRCUIT FOR INCREASING OUTPUT VOLTAGE
NOTE: 1. C1 is required only if regulator is separated from rectifier filter.
2. Both C1 and C2 should be low E.S.R. types such as solid
tantalum. If aluminum electrolytics are used, at least 10 times
values shown should be selected.
3. If large output capacities are used, the regulators must be
protected from momentary input shorts. A high current diode
NOTE: C3 optional for improved transient response and ripple rejec
VOUT
=
V
(REGULATOR)
R1 + R2
R1
R2
=
V(REG)
15mA
05/01 Rev 1.5
Copyright 1999
LINFINITY Microelectronics Inc.
11861 Western Avenue ∞ Garden Grove, CA 92841
3
(714) 898-8121 ∞FAX: (714) 893-2570
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