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參數(shù)資料
| 型號： | MAX1857EUA47 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 500mA, Low-Dropout, Ripple-Rejecting LDO in MAX |
| 中文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.175 V DROPOUT, PDSO8 |
| 封裝： | MICRO MAX PACKAGE-8 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大小： | 245K |
| 代理商： | MAX1857EUA47 |
4.64
4.68
4.76
4.72
4.80
0
200
400
600
800
1000
OUTPUT VOLTAGE
vs. OUTPUT CURRENT
M
OUTPUT CURRENT (mA)
O
V
IN
= 5.25V
V
IN
= 5.00V
4.70
4.72
4.76
4.74
4.78
4.80
-55
5
-25
35
65
95
125
OUTPUT VOLTAGE vs. TEMPERATURE
M
TEMPERATURE (
°
C)
O
I
OUT
= 0mA
0
150
100
50
200
250
300
0
400
200
600
800
1000
DROPOUT VOLTAGE
vs. OUTPUT CURRENT
M
OUTPUT CURRENT (mA)
D
T
A
= +25
°
C
T
A
= -40
°
C
T
A
= +85
°
C
Typical Operating Characteristics
(V
IN
= +5.25V, V
OUT
= 4.75V,
SHDN
= IN, SET = GND, C
IN
= 1μF, C
OUT
= 3.3μF, T
A
= +25
°
C, unless otherwise noted.)
M
500mA, Low-Dropout,
Ripple-Rejecting LDO in μMAX
4
_______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN
MAX
UNITS
RESET OUTPUT
Reset Output Low Voltage
V
OL
RST
sinking 1mA
0.1
V
Operating Voltage Range for
Valid Reset
RST
sinking 100
μ
A
1.0
5.5
V
RST
Output High Leakage
Current
V
RST
= +5.5V
100
nA
RST
Threshold
RST
Release Delay
Rising edge, referred to V
OUT(NOMINAL)
Rising edge of OUT to rising edge of
RST
83
1.4
89
8
%
ms
t
RP
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +5.25V, V
OUT
= 4.75V,
SHDN
= IN, SET = GND,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 2)
Note 1:
Dropout voltage is defined as V
IN
- V
OUT
, when V
OUT
is 100mV below the value of V
OUT
measured when V
IN
= V
OUT(NOM)
+ 0.5V. Since the minimum input voltage is 2.5V, this specification is only meaningful when V
OUT(NOM)
≥
2.5V. For V
OUT(NOM)
between 2.5V and 3.5V, use the following equations: Typical Dropout = -93mV/V
V
OUT(NOM)
+ 445mV; Guaranteed Maximum
Dropout = -137mV/V
V
OUT(NOM)
+ 704mV. For V
OUT(NOM)
≥
3.5V: Typical Dropout = 120mV; Guaranteed Maximum Dropout
= 175mV.
Note 2:
Specifications to -40
°
C are guaranteed by design, not production tested.
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相關(guān)代理商/技術(shù)參數(shù) |
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| MAX1857EUA47+ | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA Ripple-Rejecting 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(fù)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 |
| MAX1857EUA47+T | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA Ripple-Rejecting 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(fù)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 |
| MAX1857EUA47-T | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA Ripple-Rejecting 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(fù)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 |
| MAX1858AEEG | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX1858AEEG+ | 功能描述:電壓模式 PWM 控制器 Dual 180 Out Buck Controllers RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
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