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參數(shù)資料
| 型號(hào)： | A8222SLH |
| 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(yè)數(shù)： | 3/8頁(yè) |
| 文件大小： | 137K |
| 代理商： | A8222SLH |
8220
THRU
8233
LOW-DROPOUT
REGULATORS
www.allegromicro.com
ELECTRICAL CHARACTERISTICS
at T
A
= +25
°
C, V
E
≥
2.0 V (unless otherwise noted).
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Voltage
V
O
4 V
≤
V
I
≤
7 V, 10
μ
A
≤
I
O
≤
50 mA*
-0.05
0.00
+0.05
V
(reference specified V
O(nom)
)
V
I
= V
O(nom)
, I
O
= 50 mA
—
—
-0.25
V
Output Volt. Temp. Coeff.
a
VO
V
I
= 6 V, I
O
= 10 mA, T
J
≤
125
°
C
—
-0.20
—
mV/
°
C
Line Regulation
V
O(
VI)
4 V
≤
V
I
≤
7 V, I
O
= 1 mA
—
3.0
10
mV
Load Regulation
V
O(
IO)
1 mA
≤
I
O
≤
50 mA*, 4 V
≤
V
I
≤
7 V
—
—
20
mV
Dropout Voltage
V
I
min - V
O
I
O
= 50 mA
—
125
250
mV
Ground Terminal Current
I
GND
V
I
< 7 V, I
O
≤
50 mA
—
32
45
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
4 V
≤
V
I
≤
7 V, Output ON
2.0
—
—
V
V
EL
4 V
≤
V
I
≤
7 V, Output OFF
—
—
0.8
V
ENABLE Input Current
I
E
V
E
= V
I
= 7 V
—
—
±
1.0
μ
A
Rejection Ratio
PSRR
V
I
= V
O(nom)
+ 1.5 V, V
i
= 100 mV, I
O
= 10 mA,
f = 1 kHz
f = 10 kHz
—
—
70
52
—
—
dB
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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