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MAX4832/MAX4833
100mA LDO Linear Regulators with
Current-Limiting Switch
4
_______________________________________________________________________________________
Typical Operating Characteristics
(VIN = VOUT + 1V, SHDN = IN, COUT = 3.3F, TA = +25°C, unless otherwise noted.)
QUIESCENT CURRENT vs. INPUT VOLTAGE
(NO LOAD)
MAX4832
toc01
VIN (V)
I Q
(
A)
5
4
3
2
1
20
40
60
80
100
120
0
06
TA = +85
°C
TA = -40
°C
TA = +25
°C
VOUT = 1.5V
QUIESCENT CURRENT vs. INPUT VOLTAGE
(100mA LOAD)
MAX4832
toc02
VIN (V)
I Q
(
A)
5
4
3
2
1
50
100
150
200
250
300
350
0
06
TA = +85
°C
TA = +25
°C
TA = -40
°C
VOUT = 1.5V
MAXIMUM TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
MAX4832
toc03
RESET THRESHOLD OVERDRIVE (mV)
PULSE
DURATION
(
s)
10
15
30
45
60
75
90
0
1100
RESET ASSERTS
ABOVE THIS LINE
VIN = 3.5V
VOUT = 2.5V
DROPOUT VOLTAGE vs. LOAD CURRENT
MAX4832
toc04
LOAD CURRENT (mA)
DROPOUT
VOLTAGE
(mV)
80
60
40
20
10
20
30
40
50
60
70
0
0100
VOUT = 3.3V
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX4832
toc05
FREQUENCY (kHz)
PSRR
(dB)
10
1
0.1
-70
-60
-50
-40
-30
-20
-10
0
-80
0.01
100
VOUT = 2V
COUT = 3.3
F
ILOAD = 20mA
REGION OF STABLE COUT ESR
vs. LOAD CURRENT
MAX4832
toc06
LOAD CURRENT (mA)
C
OUT
ESR
(ohms)
90
80
60 70
20 30 40 50
10
1
2
3
4
5
6
7
8
9
10
0
0100
COUT = 4.7
F
COUT = 3.3
F
VOUT = 1.5V
STABLE REGION
OUTPUT NOISE vs. FREQUENCY
MAX4832
toc07
FREQUENCY (Hz)
OUTPUT
NOISE
(
V
RMS
)
10k
1k
100
10
20
30
40
50
0
10
100k
VIN = 3V
VOUT = 1.8V
CSS = 10nF
ILOAD = 0
SOFT-START RESPONSE
(CSS = FLOATING)
MAX4832 toc08
VSS
1V/div
VOUT
2V/div
VIN
2V/div
2ms/div
tSS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4833ETT25BD3 | 2.5 V FIXED POSITIVE LDO REGULATOR, 0.13 V DROPOUT, DSO6 |
| MAX4833ETT25BD4 | 2.5 V FIXED POSITIVE LDO REGULATOR, 0.13 V DROPOUT, DSO6 |
| MAX4833ETT25C | 2.5 V FIXED POSITIVE LDO REGULATOR, 0.13 V DROPOUT, DSO6 |
| MAX4833ETT28BD1 | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.13 V DROPOUT, DSO6 |
| MAX4833ETT28BD2 | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.13 V DROPOUT, DSO6 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4833ETT25BD3 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX4833ETT25D1-T | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX4833ETT25D2-T | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX4833ETT25D3-T | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX4833ETT25D4-T | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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