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參數(shù)資料
| 型號(hào)： | MAX6738XK_D_-T |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | RECT BRIDGE GPP 50V 1.5A KBP |
| 中文描述： | 低功耗Dual-/Triple-Voltage SC70封裝的監(jiān)控電路 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 236K |
| 代理商： | MAX6738XK_D_-T |
General Description
The MAX6736–MAX6745 are low-power dual-/triple-
voltage microprocessor (μP) supervisors. These
devices assert a reset if any monitored supply falls
below its factory-trimmed or adjustable threshold and
maintain reset for a minimum timeout period after all
supplies rise above their thresholds. The integrated
dual/triple supervisory circuits significantly reduce size
and power compared to separate ICs or discrete com-
ponents. The low supply current of 6μA makes these
devices ideal for portable equipment.
The MAX6736/MAX6737 are dual fixed-voltage μP
supervisors with a manual reset input. The MAX6738/
MAX6739 have one fixed and one adjustable reset
threshold and a manual reset input. The MAX6740/
MAX6743 are triple-voltage μP supervisors with two
fixed and one user-adjustable reset threshold inputs.
The MAX6741/MAX6744 are dual-voltage μP supervi-
sors with a power-OK (POK) output ideal for power-
supply sequencing. The MAX6742/MAX6745 monitor
the primary V
CC
supply and have an independent
power-fail comparator.
The MAX6736–MAX6745 monitor I/O supply voltages
(V
CC
1) from 1.8V to 5.0V and core supply voltages
(V
CC
2) from 0.9V to 3.3V with factory-trimmed reset
threshold voltage options (Table 1). An external
adjustable RSTIN input option allows monitoring volt-
ages down to 0.5V.
A variety of push-pull or open-drain reset outputs along
with manual reset input and power-fail input/output fea-
tures are available (see the
Selector Guide
). The
MAX6736–MAX6745 are offered in a space-saving 5-pin
SC70 package and operate over the -40°C to +85°C
temperature range.
Applications
Controllers
PDAs
GPS Equipment
POS Equipment
Features
o
Dual-/Triple-Supply Reset Voltage Monitors
o
Precision Factory-Set Reset Thresholds for
Monitoring from 0.9V to 5.0V
o
Adjustable Reset Input Down to 0.488V
o
150ms and 1200ms (min) Reset Timeout Period
Options
o
V
CC
1 Power-OK Output for Power-Supply
Sequencing Applications (MAX6741/MAX6744)
o
Power-Fail Input/Power-Fail Output
(MAX6742/MAX6745)
o
6μA Supply Current
o
Tiny SC70 Package
M
Low-Power Dual-/Triple-Voltage SC70 μP
Supervisory Circuits
________________________________________________________________
Maxim Integrated Products
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.
1
PART
VOLTAGE
MONITORS
OPEN-DRAIN
RESET
PUSH-PULL
RESET
MANUAL
RESET
POWER-FAIL
INPUT/
OUTPUT
POK
OUTPUT
RSTIN
INPUT
MAX6736
MAX6737
MAX6738
2 fixed
2 fixed
1 fixed, 1 adj
X
—
X
—
X
—
X
X
X
—
—
—
—
—
—
—
—
X
Selector Guide
Ordering Information
19-2531; Rev 1; 4/03
PART
TEMP RANGE
-40
°
C to +85
°
C
-40
°
C to +85
°
C
PIN-PACKAGE
5 SC70-5
5 SC70-5
MAX6736
XK_ _D_-T
MAX6737
XK_ _D_-T
Note:
The first “_ _” or “_” are placeholders for the threshold
voltage levels of the devices. Desired threshold levels are set
by the part number suffix found in Tables 1 and 2. The “_” after
the D is a placeholder for the reset timeout period suffix found
in Table 3. For example, the MAX6736XKLTD3-T is a dual-volt-
age supervisor V
TH
1 = 4.625V, V
TH
2 = 3.075V, and a 150ms
minimum reset timeout period. All devices are available in
tape-and-reel only. There is a 2500-piece minimum order
increment for standard versions (see Table 1). Sample stock is
typically held on standard versions only. Nonstandard versions
require a minimum order increment of 10,000 pieces. Contact
factory for availability.
Portable/Battery-
Powered Equipment
Multivoltage Systems
Notebook Computers
Ordering Information continued at end of data sheet.
Selector Guide continued at end of data sheet.
Pin Configurations appear at end of data sheet.
Typical Application Circuits appear at end of data sheet.
Functional Diagram appears at end of data sheet.
*
Manual reset detect on
RESET
output.
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| MAX6745XK_D_-T | Low-Power Dual-/Triple-Voltage SC70 UP Supervisory Circuits |
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| MAX6746-MAX6753 | UP Reset Circuits with Capacitor-Adjustable Reset/Watchdog Timeout Delay |
| MAX6749KA-T | UP Reset Circuits with Capacitor-Adjustable Reset/Watchdog Timeout Delay |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6738XKLD3 | 制造商:Maxim Integrated Products 功能描述:LOW-POWER DUAL-/TRIPLE-VOLTAGE SC70 - Rail/Tube |
| MAX6738XKLD3+ | 制造商:Maxim from Components Direct 功能描述:MAXIM MAX6738XKLD3+ PROCESSOR SUPERVISORS - Boxed Product (Development Kits) 制造商:Maxim Integrated Products 功能描述:LOW-POWER DUAL-/TRIPLE-VOLTAGE SC70 ?P SUPERVISORY CIRCUITS - Rail/Tube 制造商:Maxim 功能描述:Maxim MAX6738XKLD3+ Processor Supervisors |
| MAX6738XKLD3+T | 功能描述:監(jiān)控電路 Fixed, R/C Adj A-Low O-Drain 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 |
| MAX6738XKLD3-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 |
| MAX6738XKLD7 | 制造商:Maxim Integrated Products 功能描述:LOW-POWER DUAL-/TRIPLE-VOLTAGE SC70 - Rail/Tube |
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