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參數(shù)資料
| 型號(hào)： | MAX882ESA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Quadruple 2-Input Positive-OR Gates 14-CFP -55 to 125 |
| 中文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.64 V DROPOUT, PDSO8 |
| 封裝： | 0.150 INCH, MS-012AA, SOIC-8 |
| 文件頁(yè)數(shù)： | 8/16頁(yè) |
| 文件大小： | 136K |
| 代理商： | MAX882ESA |
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M
5V /3.3V or Adjustable, Low-Dropout,
Low I
Q
, 200mA Linear Regulators
8
_______________________________________________________________________________________
In adjustable mode, the user selects an output voltage
in the 1.25V to 11V range by connecting two external
resistors, used as a voltage divider, to the SET pin
(Figure 2).
The output voltage is set by the following equation:
where V
SET
= 1.20V.
To simplify resistor selection:
Since the input bias current at SET is nominally zero,
large resistance values can be used for R1 and R2 to
minimize power consumption without losing accuracy.
Up to 1.5M
is acceptable for R2. Since the V
SET
toler-
ance is less than ±40mV, the output can be set using
fixed resistors instead of trim pots.
S tandby Mode (MAX 882)
The MAX882 has a standby feature that disconnects
the input from the output when STBY is brought low, but
keeps all other circuitry awake. In this mode, V
OUT
drops to 0V, and the internal biasing circuitry (including
the low-battery comparator) remains on. The maximum
quiescent current during standby is 15μA. STBY is a
comparator input with the other input internally tied to
the reference voltage. Use a resistor network as shown
in Figure 3 to set a standby-mode threshold voltage for
undervoltage lockout. Connect STBY to IN for normal
operation.
OFF Mode (MAX 883/MAX 884)
A low-logic input on the OFF pin shuts down the
MAX883/MAX884. In this mode, the pass transistor,
control circuit, reference, and all biases are turned off,
and the supply current is reduced to less than 1μA.
LBO is undefined in OFF mode. Connect OFF to IN for
normal operation.
R1
R2
V
V
1
OUT
SET
=
V
V
R
R
OUT
SET
=
+
1
1
2
Figure 1. MAX882/MAX883/MAX884 Functional Diagram
P
OUT
SET
R1
R2
65mV
ERROR AMP
OFF
(STBY)
GND
LBO
LBI
N
IN
MOSFET DRIVER
WITH FOLDBACK
CURRENT LIMIT
REVERSE-
CURRENT
PROTECTION
SHUT-
DOWN
LOGIC
1.20V
REFERENCE
THERMAL
SENSOR
( ) ARE FOR MAX882
DUAL-MODE
COMPARATOR
LOW-BATTERY
COMPARATOR
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX882ESA/GH9 | 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(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 |
| MAX882ESA/GH9-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(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 |
| MAX882ESA+ | 功能描述:低壓差穩(wěn)壓器 - LDO 5/3.3/AdjV 200mA Linear Regulator 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 |
| MAX882ESA+T | 功能描述:低壓差穩(wěn)壓器 - LDO 5/3.3/AdjV 200mA Linear Regulator 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 |
| MAX882ESA-T | 功能描述:低壓差穩(wěn)壓器 - LDO 5/3.3/AdjV 200mA Linear Regulator 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 |
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