參數(shù)資料
型號(hào): ADP125ARHZ
廠商: ANALOG DEVICES INC
元件分類: 可調(diào)正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器
英文描述: 5.5V INPUT, 500 MA, LOW QUIESCENT CURRENT, CMOS LINEAR REGULATOR W/EXTERNAL VOLTAGE DIVIDER No of Pins: 8 Temperature Range: Ind
中文描述: 0.8 V-5 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.23 V DROPOUT, PDSO8
封裝: ROHS COMPLIANT, MO-187AAT, MSOP-8
文件頁(yè)數(shù): 19/20頁(yè)
文件大?。?/td> 648K
代理商: ADP125ARHZ
ADP124/ADP125
Rev. A | Page 8 of 20
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
–50
–25
0
25
50
75
100
125
TEMPERATURE (°C)
S
HUT
DO
W
N
CURRE
NT
(
A)
VIN = 3.80
VIN = 4.20
VIN = 4.40
VIN = 5.00
VIN = 5.20
VIN = 5.40
VIN = 5.50
08476-
011
Figure 13. Shutdown Current vs. Temperature at Various Input Voltages
0
20
40
60
80
100
120
1
10
100
1000
IOUT (mA)
DRO
P
O
UT
(
mV
)
08476-
012
Figure 14. Dropout Voltage vs. Load Current
0
50
100
150
200
250
300
350
400
450
3.00
3.10
3.20
3.30
3.40
3.50
3.60
3.70
VIN (V)
I G
ND
(
A)
IOUT = 100mA
IOUT = 300mA
IOUT = 500mA
IOUT = 10mA
08476-
013
Figure 15. Ground Current vs. Input Voltage (in Dropout)
2.95
3.00
3.05
3.10
3.15
3.20
3.25
3.30
3.35
3.00
3.10
3.20
3.30
3.40
3.50
3.60
VIN (V)
V
O
UT
(V)
IOUT = 100mA
IOUT = 300mA
IOUT = 500mA
IOUT = 10mA
08476-
014
Figure 16. Output Voltage vs. Input Voltage (in Dropout)
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
P
S
RR
(
d
B)
IOUT = 100A
VIN = VOUT +1V
VRIPPLE = 50mV
CIN = COUT = 1F
IOUT = 1mA
IOUT = 10mA
IOUT = 100mA
IOUT = 300mA
IOUT = 500mA
08476-
015
Figure 17. Power Supply Rejection Ratio vs. Frequency, VOUT= 2.8 V, VIN = 3.8 V
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
P
S
RR
(
d
B)
IOUT = 100A
VIN = VOUT +1V
VRIPPLE = 50mV
CIN = COUT = 1F
IOUT = 1mA
IOUT = 10mA
IOUT = 100mA
IOUT = 300mA
IOUT = 500mA
08476-
016
Figure 18. Power Supply Rejection Ratio vs. Frequency, VOUT= 3.3 V, VIN = 4.3 V
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