參數(shù)資料
型號(hào): 8230
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: 8230
8226
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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