參數(shù)資料
型號(hào)： MAX1806EUA08
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 3A Fixed Low Dropout Linear Regulator (LDO)
中文描述： FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, PDSO8
封裝： POWER, MICRO MAX PACKAGE-8
文件頁(yè)數(shù)： 6/10頁(yè)
文件大小： 263K
代理商： MAX1806EUA08
M
500mA, Low-Voltage Linear Regulator in μMAX
6
_______________________________________________________________________________________
Pin Description
PIN
NAME
FUNCTION
1, 2
IN
Regulator Input. Supply voltage can range from +2.25V to +5.5V. Bypass with a 1
μ
F capacitor to GND (see
Capacitor Selection and Regulation Stability
). Connect both input pins together externally.
3
POK
Open-Drain, Active-Low Power-OK Output. POK remains low while the output voltage (V
OUT
) is below the
POK threshold. Connect a 100k
pullup resistor from POK to OUT.
4
SHDN
Active-Low Shutdown Input. A logic low at
SHDN
reduces supply current to 0.02
μ
A. In shutdown, the POK
output is low. Connect
SHDN
to IN for normal operation.
5
GND
Ground. This pin and the exposed pad also function as a heatsink. Solder both to a large pad or to the
circuit-board ground plane to maximize power dissipation.
6
SET
Voltage-Setting Input. Connect SET to GND for preset output. Connect an external resistive voltage-divider
from OUT to SET to set the output voltage between 0.8V and 4.5V. The SET regulation voltage is 800mV.
7, 8
OUT
Regulator Output. OUT sources up to 500mA. Bypass OUT with a 10
μ
F low-ESR capacitor to GND.
Connect both OUT pins together externally.
LINE-TRANSIENT RESPONSE
MAX1806 toc15
200
μ
s/div
V
IN
1V/div
6V
3V
V
OUT
10mV/div
SHUTDOWN WAVEFORM
MAX1806 toc16
20
μ
s/div
2V
V
1V/div
3V
0
0
V
1V/div
R
OUT
= 6.6
(500mA)
Typical Operating Characteristics (continued)
(MAX1806EUA33, V
IN
= V
OUT
+ 500mV,
SHDN
= IN, C
IN
= 1μF, C
OUT
= 10μF, T
A
= +25
°
C, unless otherwise noted.)
LOAD-TRANSIENT RESPONSE
NEAR DROPOUT
MAX1806 toc14
10
μ
s/div
I
OUT
200mA/div
V
OUT
50mV/div
V
IN
= V
OUT
+ 100mV
C
IN
= 10
μ
F
R
OUT
= 660
TO
6.6
(5mA TO 500mA)
POK WAVEFORM
MAX1806 toc17
200
μ
s/div
V
IN
2V/div
V
2V/div
0
5V
0
0
V
2V/div
R
OUT
= 66
(50mA)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1806EUA08+ 功能描述:低壓差穩(wěn)壓器 - LDO 500mA 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(dòng)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
MAX1806EUA08+T 功能描述:低壓差穩(wěn)壓器 - LDO 500mA 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(dòng)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
MAX1806EUA08+TG48 制造商:Maxim Integrated Products 功能描述:- Tape and Reel
MAX1806EUA08-T 功能描述:低壓差穩(wěn)壓器 - LDO 500mA 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(dòng)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
MAX1806EUA08-TG075 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
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