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參數(shù)資料
| 型號(hào)： | MAX6343SUT-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Analog IC |
| 中文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | MINIATURE, SOT-23, 6 PIN |
| 文件頁(yè)數(shù)： | 5/8頁(yè) |
| 文件大小： | 548K |
| 代理商： | MAX6343SUT-T |
MAX6342–MAX6345
6-Pin P Reset Circuit with
Power-Fail Comparator
_______________________________________________________________________________________
5
MAX6344
MAX6342
—
6
Active-High Push-Pull Reset Output. It remains high for 180ms
after VCC rises above the reset threshold or MR goes from low
to high.
6
—
Active-Low Reset Output. Push-pull for MAX6342/MAX6345.
Open-drain for MAX6343. It remains low for 180ms after VCC
rises above the reset threshold or MR goes from low to high.
5
Manual-Reset Input. Pull low to force a reset. RESET or RESET
remains active as long as MR is low and for the reset timeout
period after MR goes high. Leave unconnected or connect to
VCC if unused.
Pin Description (continued)
MAX6343
—
6
5
MAX6345
6
5
—
RESET
MR
FUNCTION
PIN
NAME
_______________Detailed Description
Reset Output
A P’s reset input starts the P in a known state. These
P supervisory circuits assert reset to prevent code-
execution errors during power-up, power-down, or
brownout conditions.
RESET and RESET are guaranteed to be asserted at a
valid logic level for VCC > +1V (see the Electrical Char-
acteristics table). Once RESET asserts, it remains
asserted for at least 100ms (tRP) after VCC rises above
its threshold value or after MR returns high (Figures 1
and 2).
Open-Drain RESET Output
The MAX6343 has an active-low, open-drain reset out-
put. This output sinks current when RESET is asserted.
Connect a pull-up resistor from RESET to any positive
supply voltage up to +5.5V (Figure 3). Select a resistor
value large enough to register a logic low (see the Elec-
trical Characteristics table), and small enough to regis-
ter a logic high while supplying all input current and
leakage paths connected to the RESET line. A 10k
pull-up is sufficient in most applications.
Manual Reset
The MAX6342/MAX6343/MAX6344s’ manual-reset input
(MR) allows reset to be triggered by a pushbutton
switch. The switch is effectively debounced by the 1s
min reset pulse width. MR is CMOS-logic compatible.
RESET
GENERATOR
VCC
6
(RESET)
5
RESET
4
PFO
1.25V
GND
100k
VTH
( ) ARE FOR MAX6344 ONLY.
1
MR
2
VCC
3
PFI
MAX6342
MAX6343
MAX6344
RESET
GENERATOR
6
RESET
5
RESET
4
PFO
1.25V
GND
VTH
1
2
VCC
3
PFI
MAX6345
Figure 1. MAX6342/MAX6343/MAX6344 Functional Diagram
Figure 2. MAX6345 Functional Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6343TUT | 制造商:Maxim Integrated Products 功能描述:6 PINS THNSOT PKG - Cut Tape Product |
| MAX6343TUT+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 3.08V 30UA 6PIN SOT-23 - Rail/Tube |
| MAX6343TUT+T | 功能描述:監(jiān)控電路 6-Pin uPower Reset Circuit RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6343TUT-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過(guò)電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開(kāi)關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6343ZUT | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product |
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