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參數(shù)資料
| 型號： | A8205SLH |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | LOW-DROPOUT REGULATORS . HIGH EFFICIENCY |
| 中文描述： | 低壓差穩(wěn)壓器。高效 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 122K |
| 代理商： | A8205SLH |
8205
LOW-DROPOUT
REGULATORS
www.allegromicro.com
ELECTRICAL CHARACTERISTICS
at T
A
= +25
°
C, V
E
= V
I
(unless otherwise noted).
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Voltage
V
O
V
I
≥
V
O(nom)
+ 1 V, 1 mA
≤
I
O
≤
150 mA*,
reference specified V
O(nom)
—
0.0
±
1.5
%
Output Volt. Temp. Coeff.
a
VO
V
I
= 6 V, I
O
= 10 mA, T
J
≤
125
°
C
—
40
—
ppm/
°
C
Line Regulation
V
O(
VI)
V
O(nom)
+ 1 V
≤
V
I
≤
7 V, I
O
= 3 mA
—
—
±
1.5
%
Load Regulation
V
O(
IO)
V
I
= V
O(nom)
+ 1 V, 1 mA
≤
I
O
≤
150 mA*
—
—
±
1.5
%
V
I
= 7 V, 1 mA
≤
I
O
≤
150 mA*
—
—
±
1.5
%
Dropout Voltage
V
I
min - V
O
I
O
= 100 mA
—
75
200
mV
Ground Terminal Current
I
GND
V
I
= V
O(nom)
+ 1 V, I
O
= 1 mA
—
55
65
μ
A
V
I
= V
O(nom)
+ 1 V, I
O
= 150 mA*
—
55
65
μ
A
V
I
= 7 V, I
O
= 1 mA
—
55
65
μ
A
V
I
= 7 V, I
O
= 150 mA*
—
55
65
μ
A
I
Q
V
I
≤
7 V, V
E
≤
0.8 V, I
O
= 0 mA
—
—
1.0
μ
A
ENABLE Input Voltage
V
EH
V
I
≥
V
O(nom)
+ 1 V, Output ON
2.0
—
—
V
V
EL
V
I
≥
V
O(nom)
+ 1 V, Output OFF
—
—
0.4
V
ENABLE Input Current
I
E
V
E
= V
I
= 7 V
—
—
±
1.0
μ
A
Internal Reference Voltage
V
REF
—
1.26
—
V
ADJUST Input Current
I
ADJ
A8205SLH-ADJ only
—
0.10
—
μ
A
Rejection Ratio
PSRR
V
I
= V
O(nom)
+ 1.5 V, V
i
= 100 mV,
I
O
= 30 mA, f = 60 Hz
—
70
—
dB
Output Noise
e
n
10 Hz
≤
f
≤
100 kHz, I
O
= 10 mA, C
O
= 10
μ
F
—
0.5
—
μ
V/
√
Hz
Typical values are at T
A
= +25
°
C and are given for circuit design information only.
* Pulse test (
≤
20 ms). See previous page for duty cycle limitations.
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