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參數(shù)資料
| 型號： | MAX6329 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | 1.45-W Mono Class-D Audio Amplifier with 1.8V Compatible Shutdown Voltage (TPA2006) 8-SON -40 to 85 |
| 中文描述： | 150mA、SOT23封裝、低壓差線性穩(wěn)壓器，內(nèi)置微處理器復(fù)位電路 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 237K |
| 代理商： | MAX6329 |
Detailed Description
The MAX6329/MAX6349 are low-dropout, low-quies-
cent current linear regulators with integrated micro-
processor reset circuits. The devices drive loads up to
150mA and are available with preset output voltages of
+3.3V, +2.5V, or +1.8V. The internal reset circuit moni-
tors the regulator output voltage and asserts the reset
output when the regulator output is below the micro-
processor supply tolerance.
Regulator
The regulator core operates with an input voltage range
of +2.5V to +5.5V. The output voltage is offered with
three fixed voltage options (+3.3V, +2.5V, and +1.8V) for
the MAX6329 and MAX6349. Enable the fixed voltage
output by connecting SET to ground. The
MAX6329/MAX6349 offer an adjustable output voltage
that is implemented with an external resistor-divider net-
work connected to OUT, SET, and GND (Figure 1). SET
must be connected to either GND or the external divider.
The MAX6329/MAX6349 automatically determine the
feedback path depending on the voltage seen at SET.
Featured characteristics include ultra-low quiescent cur-
rent and low dropout voltage. The
Typical Operating
Circuit
shows a typical connection for the MAX6329.
OUT is an internally regulated low dropout (LDO) linear
regulator that powers a microprocessor.
Reset Circuit
The reset supervisor circuit is fully integrated in the
MAX6329/MAX6349 and uses the same reference volt-
age as the regulator. Two supply tolerance reset thresh-
olds, -5% and -10%, are provided for each type of
device:
M
150mA, SOT23, Low Dropout Linear Regulators
with Internal Microprocessor Reset Circuit
6
_______________________________________________________________________________________
Pin Description
PIN
NAME
DESCRIPTION
1
IN
Regulator Input. Supply voltage can range from +2.5V to +5.5V.
2
GND
Ground. This pin also functions as a heatsink. Solder to large pads or the circuit board ground plane to
maximize thermal dissipation.
(MAX6329 Only)
Active-Low Shutdown Input. A logic low reduces the supply current to < 1μA. Connect
SHDN
3
MR
(
MAX6349 Only)
Active-Low Manual Reset Input. A logic low forces a reset. Reset remains asserted for
the duration of the reset timeout period after
MR
transitions from low to high. Leave unconnected or
connect to V
OUT
if not used.
MR
has an internal pullup resistor of 20k
(typ) to OUT.
RESET
Active-Low Reset Output.
RESET
remains low while V
OUT
is below the reset threshold or while
MR
is
held low.
RESET
remains low for the duration of the reset timeout period after the reset conditions are
terminated.
4
RESET
Active-High Reset Output. RESET remains high while V
OUT
is below the reset threshold or while
MR
is
held low. RESET remains high for the duration of the reset timeout period after the reset conditions are
terminated.
5
SET
Feedback Input for Setting the Output Voltage. Connect to GND to set the output voltage to the preset
fixed value (+3.3V, +2.5V, or +1.8V). Connect to an external resistor-divider network for adjustable
output operation.
6
OUT
Regulator Output. Fixed (+3.3V, +2.5V, or +1.8V) or adjustable (+1.23V to +5.0V). Sources up to
150mA. Bypass with a 1μF minimum capacitor for full rated performance.
MAX6329
MAX6349
2.5V TO 5.5V
IN
OUT
SET
R2
R1
GND
Figure 1. Adjustable Output Voltage Configuration
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6329SH | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:150mA, SOT23, Low-Dropout Linear Regulators with Internal Microprocessor Reset Circuit |
| MAX6329SHUT | 制造商:Maxim Integrated Products 功能描述:150MA SOT23 LOW-DROPOUT LINEAR RE - Cut Tape Product |
| MAX6329SHUT+ | 制造商:Maxim from Components Direct 功能描述:MAXIM MAX6329SHUT+, LOW-DROPOUT (LDO) VOLTAGE REGULATORS - Tape and Reel 制造商:Maxim Integrated Products 功能描述:REG LDO LIN ADJ/FIX POS 1.23V TO 5V/3.3V 0.15A 6PIN SOT-23 - Rail/Tube 制造商:Maxim 功能描述:Maxim MAX6329SHUT+, Low-Dropout (LDO) Voltage Regulator 3.3V 25uA 6-pin SOT23 |
| MAX6329SHUT+T | 功能描述:低壓差穩(wěn)壓器 - LDO 150mA LDO w/Int MPU Reset Circuit 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 |
| MAX6329SHUT-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(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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