參數(shù)資料
型號(hào): MIC5357-3.3/2.8YMME
廠商: MICREL INC
元件分類: 固定正電壓多路輸出LDO穩(wěn)壓器
英文描述: FIXED POSITIVE LDO REGULATOR, PDSO8
封裝: MSOP-8
文件頁(yè)數(shù): 7/11頁(yè)
文件大?。?/td> 464K
代理商: MIC5357-3.3/2.8YMME
Micrel, Inc.
MIC5357
January 2011
5
M9999-011311
Typical Characteristics
Ground Current
vs. Output Current (VOUT1)
80
85
90
95
100
0
50 100 150 200 250 300 350 400 450 500
OUTPUT CURRENT (mA)
G
R
O
UN
D
CUR
RE
N
T
A)
VIN=4.3V
VOUT1=3.3V
CIN=COUT=2.2μF
Ground Current
vs. Output Current (VOUT2)
80
85
90
95
100
0 50 100 150 200 250 300 350 400 450 500
OUTPUT CURRENT (mA)
G
R
O
UND
CU
RRE
NT
(
μ
A)
VIN=4.3V
VOUT2=2.8V
CIN=COUT=2.2μF
Ground Current vs.
Temperature(Dual Outputs)
70
80
90
100
110
120
130
140
150
160
170
180
-40 -20
0
20
40
60
80 100 120
TEMPERATURE (°C)
G
RO
U
ND
CU
RRE
N
T
(
μ
A)
IOUT1=500mA
IOUT1=500mA , IOUT2=500mA
Output Voltage
vs. Input Voltage
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
2.5
33.544.555.5
INPUT VOLTAGE (V)
O
U
TP
U
T
V
O
LTA
G
E
(V
)
100μA
500mA
VOUT1=3.3V
CIN=COUT=2.2μF
Output Voltage
vs. Input Voltage
2.5
2.6
2.7
2.8
2.9
3
2.5
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
O
U
TP
U
T
V
O
LTA
G
E
(V
)
100μA
500mA
VOUT2=2.8V
CIN=COUT=2.2μF
Output Voltage
vs. Output Current
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
0
100
200
300
400
500
OUTPUT CURRENT (mA)
O
U
TP
U
T
V
O
LT
A
G
E
(
V
)
VIN=4.3V
CIN=COUT=2.2μF
VOUT1
VOUT2
Dropout Voltage
vs. Temperature
0
15
30
45
60
75
90
105
120
135
150
-40
-20
0
20
40
60
80
100 120
TEMPERATURE (°C)
D
R
OP
OU
T
V
OL
T
A
GE
(m
V
)
150mA
300mA
500mA
CIN=COUT=2.2μF
50mA
Dropout Voltage
vs. Output Current
0
15
30
45
60
75
90
105
120
0
100
200
300
400
500
OUTPUT CURRENT (mA)
DRO
P
O
UT
V
O
L
T
AG
E
(
m
V)
VOUT1=3.3V
CIN=COUT=2.2μF
`
Current Limit
vs. Input Voltage
800
850
900
950
1000
1050
1100
1150
1200
2.5
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
CURRE
NT
L
IM
IT
(m
A)
VOUT1=3.3V
VOUT2=2.8V
CIN=COUT=2.2μF
Power Supply Rejection Ratio
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
100
1000
10000
100000
FREQUENCY(Hz)
dB
VEN1=VIN=4.74V
VOUT1=3.3V
COUT1=2.2F
CBYP=0.1A
500mA
100A
300mA
150mA
Output Noise
Spectral Density
0.001
0.01
0.1
1
10
100
1000
10000
100000 1000000
FREQUENCY (Hz)
NO
ISE
(
u
V/
Hz
)
VIN=4.7V
VOUT2=1.8V
CIN-COUT=2.2F/6.3V
IL=250mA
Noise Output (10Hz to
100Khz)=51.16Vrms
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