sg79xxt-883b Microsemi Corporation, sg79xxt-883b Datasheet - Page 3

• Manufacturer Part Number: sg79xxt-883b
• Description: Negative Fixed Voltage Regulators
• Manufacturer: Microsemi Corporation

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