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參數(shù)資料
| 型號： | MAX6791 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Voltage, Micropower, Single/Dual Linear Regulators with Supervisory Functions |
| 中文描述： | 高壓、微功耗、單/雙路線性穩(wěn)壓器，帶有監(jiān)控功能 |
| 文件頁數(shù)： | 11/25頁 |
| 文件大?。?/td> | 420K |
| 代理商： | MAX6791 |
M
High-Voltage, Micropower, Single/Dual Linear
Regulators with Supervisory Functions
______________________________________________________________________________________
11
Pin Description (continued)
PIN
MAX6791/
MAX6792
MAX6793/
MAX6794
MAX6795/
MAX6796
NAME
FUNCTION
9
—
—
WDS1
10
—
—
WDS0
Min/Max Watchdog Logic-Select Input. WDS0 and WDS1 select the watchdog
window ratio or disable the watchdog timer. Drive WDS0 and WDS1 high or
low to select the desired ratio, see Table 4.
11
11
11
WDI
Watchdog Input.
M AX 6793–M AX 6796: A fal ng or r si ng tr ansi i on m ust occur on W D w hi n the
sel ected w atchd og ti m eout p er od or a r eset p ul se occur s. The w atchd og ti m er
cl ear s w hen a tr ansi i on occur s on WD or whenever
RESET
i s asser ed C onnect
C S W T to g ound to d sab e the w atchd og ti m er functi on.
MAX6791/MAX6792: W D fal ng and r si ng tr ansi i ons w hi n p er od s shor er than
t
WD 1
or l ong er than t
WD 2
force
RESET
to asser l ow for the r eset ti m eout p er od
The w atchd og ti m er b eg ns to count after
RESET
i s d easser ed The w atchd og
ti m er cl ear s w hen a val d tr ansi i on occur s on W D or w henever
RES ET
i s
asser ed C onnect W D S 0 hi g h and WD S 1 l ow to d sab e the w atchd og ti m er
functi on. S ee the
W atchd og Ti m er
secti on.
12
12
12
HOLD
Active-Low Regulator Hold Input. When
HOLD
is forced low, OUT1/OUT
remains ON even if ENABLE1/ENABLE is pulled low. To shut down the output
of the regulator (OUT/OUT1), release
HOLD
after ENABLE1/ENABLE is pulled
low. Connect
HOLD
to OUT1/OUT or leave unconnected if unused.
HOLD
is
internally connected to OUT/OUT1 through a 2μA current source.
13, 14
13, 14
—
OUT2
Regulator 2 Output. OUT2 is a fixed +5V output. Connect a 10μF (min)
capacitor from OUT2 to GND.
15
15
—
ENABLE2
Active-High Enable Input 2. Drive ENABLE2 high to turn on OUT2. ENABLE2 is
internally connected to ground through a 0.5μA current sink.
16
16
16
PFI
Adjustable Power-Fail Comparator Input. Connect PFI to a resistive-divider to
set the desired PFI threshold. The PFI input is referenced to an accurate
1.231V threshold.
17, 18
17, 18
17, 18
IN
Reg ul ator Inp uts. Byp ass IN w h a 1μF cap aci or to G N D
19
19
19
GATEP
pFET Gate Drive. Connect GATEP to the gate of a p-channel MOSFET to
provide low drop reverse-battery voltage protection.
20
20
—
ENABLE1
Active-High Enable Input 1. Drive ENABLE1 high to turn on OUT1. ENABLE1 is
internally connected to ground through a 0.5μA current sink.
—
9
9
WD-DIS
Watchdog Disable Input. Drive WD-DIS low to disable the watchdog timer.
Drive WD-DIS high or connect to OUT/OUT1 to enable the watchdog timer.
The watchdog timer clears when reset asserts.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6791EVKIT | 功能描述:低壓差穩(wěn)壓器 - LDO Evaluation Kit for the MAX6791 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 |
| MAX6791EVKIT+ | 制造商:Maxim Integrated Products 功能描述:- Boxed Product (Development Kits) |
| MAX6791TPLD0+ | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) Dual uPower Linear RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MAX6791TPLD0+T | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) Dual uPower Linear RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MAX6791TPLD1+ | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) Dual uPower Linear RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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