BL78A05 View Datasheet(PDF) - Shanghai Belling Co., Ltd.
Part Name
Description
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BL78A05 Datasheet PDF : 5 Pages
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BL78A05
Positive voltage regulators
4.Electrical characteristics
Electrical characteristics of BL78A05 (refer to the test circuits, TJ = -40 to
125°C, V I= 11 V, IO = 500mA, C I= 0.33 µF, CO = 0.1 µF unless otherwise
specified)
Symbol Parameter
Test conditions
VO
Output voltage
TJ = 25°C
Min. Typ. Max. Unit
4.85 5 5.15
V
VO
Output voltage
IO = 5 mA to 1 A, PO ≤15 W VI = 8 to 20 V
4.65 5 5.35
V
Δ VO(1) Line regulation
VI = 7 to 25 V, TJ = 25°C
VI = 8 to 12 V, TJ = 25°C
3
50
mV
1
25
Δ VO(1) Load regulation
IO = 5 mA to 1.5 A, TJ = 25°C
IO = 250 to 750 mA, TJ = 25°C
100
mV
25
Id
Quiescent current
TJ = 25°C
8
mA
IO = 5 mA to 1 A
Δ Id
Quiescent current change
VI = 8 to 25 V
Δ VO/ÄT Output voltage drift
IO = 5 mA
0.5
mA
0.8
0.6
mV/°C
eN
Output noise voltage
B =10 Hz to 100 kHz, TJ = 25°C
40 µV/VO
SVR Supply voltage rejection VI = 8 to 18 V, f = 120 Hz
68
dB
Vd
Dropout voltage
IO = 1 A, TJ = 25°C
2 2.5
V
RO
Output resistance
f = 1 kHz
17
mÙ
Isc
Short circuit current
VI = 35 V, TJ = 25°C
0.75 1.2
A
Iscp
Short circuit peak current TJ = 25°C
1.3 1.9 2.2
A
1. Load and line regulation are specified at constant junction temperature. Changes in VO due
to heating effects must be taken into account separately. Pulse testing with low duty cycle is used.
3
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