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參數資料
| 型號： | MAX6329ZPUT-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 固定／可調正電壓單路輸出LDO穩壓器 |
| 英文描述： | Analog IC |
| 中文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.4 V DROPOUT, PDSO6 |
| 封裝： | SOT-23, 6 PIN |
| 文件頁數： | 1/11頁 |
| 文件大小： | 428K |
| 代理商： | MAX6329ZPUT-T |
General Description
The MAX6329/MAX6349 are low-dropout, micropower
linear voltage regulators with integrated microproces-
sor reset circuits. Each is available with preset +3.3V,
+2.5V, +1.8V, or adjustable output voltages and can
deliver up to 150mA load current. Employing internal P-
channel MOSFET pass transistors, the devices con-
sume only 25A supply current, independent of the
device load. The low supply current, low dropout volt-
age, and integrated reset functionality make these
devices ideal for battery powered portable equipment.
The MAX6329/MAX6349 include an internal reset circuit
that indicates when the regulator output drops below
standard microprocessor supply tolerances (-5% or
-10%). The reset output remains asserted for 100ms
(min) after the regulator output exceeds the selected
reset threshold, ensuring that supply voltages and clock
oscillators have stabilized before processor activity is
enabled. Reset outputs are available in push-pull (active-
low or -high) and open-drain (active-low) options. The
internal reset circuit replaces external microprocessor
supervisors or RC-based reset time delays.
The MAX6329/MAX6349 are optimized for use with a
1F (min) output capacitor. The regulator output volt-
age is adjustable with an external resistor-divider net-
work at SET (reset threshold voltages track the desired
output voltage). Each device includes thermal shut-
down protection, output short-circuit protection, and
reverse leakage protection. The MAX6329 includes a
shutdown feature to reduce regulator current below
1A (max) and the MAX6349 offers a manual reset
input to assert a microprocessor reset while the regula-
tor output is within specification.
________________________Applications
Hand-Held Instruments
Electronic Planners
Palm Top Computers
PCMCIA Cards
USB Devices
Cellular Telephones
Cordless Telephones
Modems
Features
o Preset +3.3V/+2.5V/+1.8V or Adjustable Regulator
Output
o ±3.0% Regulator Accuracy Over the Specifed
Operating Range
o 25A Supply Current
o Low 180mV Dropout at 100mA Load
o Small Output Capacitor (1F min ceramic or
tantalum)
o Zero Reverse Leakage Current
o Thermal and Short-Circuit Protection
o Integrated Microprocessor Reset Circuit with
100ms (min) Timeout
o Open-Drain and Push-Pull Reset Outputs
o Regulator Shutdown Input (MAX6329) or Manual
Reset Input (MAX6349)
o 6-Pin SOT23 Package
MAX6329/MAX6349
150mA, SOT23, Low-Dropout Linear Regulators
with Internal Microprocessor Reset Circuit
________________________________________________________________ Maxim Integrated Products
1
GND
RESET/RESET
16
OUT
5
SET
IN
MAX6329/
MAX6349
SOT23-6
TOP VIEW
2
34
(MR) SHDN
( ) ARE FOR MAX6349 ONLY.
Pin Configuration
19-1889; Rev 3; 3/04
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
MAX6329_ _ UT-T
0°C to +85°C
6 SOT23-6
MAX6349_ _ UT-T
0°C to +85°C
6 SOT23-6
These parts offer a choice of regulator/reset voltages and reset
outputs. From the Selector Guide, insert the desired suffix let-
ters into the blanks to complete the part number. Each device
is available in nine standard versions. Sample stock is general-
ly held on standard versions only (see Standard Versions
table). Standard versions have an order increment requirement
of 2500 pieces. Nonstandard versions have an order increment
requirement of 10,000 pieces. Contact factory for availability of
nonstandard versions.
Typical Operating Circuit appears at end of data sheet.
Selector Guide appears at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
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| MAX632ACSA | 功能描述:直流/直流開關調節器 5V Fixed/Adjustable Step-Up Reg RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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