HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : HE6549
Issued Date : 1992.11.25
Revised Date : 2001.11.29
Page No. : 1/3
H7805AA
H7805BA
3-TERMINAL POSITIVE VOLTAGE REGULATOR
Description
TO-92
These regulators employ internal current-limiting and thermal-
shutdown, making them essentially indestructible. They can deliver
up to 100mA output current. if the case temperature can keep in Tc=25擄C.
They are intended as fixed voltage regulators in a wide range of applications including local
(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. The H7805_A used as a Zener diode/resistor combination replacement, offers an
effective output impedance improvement of typically two orders of magnitude, along with lower
quiescent current and lower noise.
Absolute Maximum Ratings
(Ta=25擄C)
鈥?/div>
Input Voltage....................................................................................................................... 35 V
鈥?/div>
Total Power Dissipation..................................................................................... Internally limited
鈥?/div>
Operating Temperature Range .......................................................................... 0
擄C
to +125
擄C
鈥?/div>
Maximum Junction Temperature...................................................................................... 125
擄C
鈥?/div>
Storage Temperature Range........................................................................... -55
擄C
to +150
擄C
鈥?/div>
Lead Temperature (Soldering 10S).................................................................................. 260
擄C
Typical Application
Schematic Diagram
Vin
Vin
H7805_A
Vout
5k鈩?/div>
5.7k鈩?/div>
C1
C2
576鈩?/div>
100鈩?/div>
100鈩?/div>
5pF
3.41k鈩?/div>
3.89k鈩?/div>
7.8k鈩?/div>
13k鈩?/div>
1.5k鈩?/div>
1.9k鈩?/div>
Vout
2.23k鈩?/div>
Note:
C1 and C2 are required if regulator is
located far from power supply filter
and load, or oscillation may induced
on the loop.
2.84k鈩?/div>
Gnd
H7805AA, H7805BA
HSMC Product Specification
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