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参数资料
| 型号： | MAX16000DTC+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 22/26页 |
| 文件大小： | 0K |
| 描述： | IC UP SUPERVISOR QUAD 12-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 多压监控器 |
| 监视电压数目： | 4 |
| 输出： | 开路漏极或开路集电极 |
| 复位： | 低有效 |
| 复位超时： | 最小为 140 ms |
| 电压 - 阀值： | 2.5V，3.3V，可调，可调 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-WQFN 裸露焊盘 |
| 供应商设备封装： | 12-TQFN-EP（4x4） |
| 包装： | 带卷 (TR) |
MAX16000–MAX16007
Low-Voltage, Quad-/Hex-/Octal-Voltage
μP Supervisors
V IN
MARGIN
RESET
INTERNAL
RESET
SIGNAL
V TH + V TH_HYST
t RP
V TH
V TH + V TH_HYST
t RP
Figure 15. Margin Output Disable ( MARGIN ) Affect on RESET Outside t RP
C SRT ( F ) = RP
Reset Timeout Capacitor
The reset timeout period can be adjusted to accommo-
date a variety of μP applications from 50μs to 1.12s.
Adjust the reset timeout period (t RP ) by connecting a
capacitor (C SRT ) between SRT and GND. Calculate the
reset timeout capacitor as follows:
t (s) x I SRT
V TH _ SRT
Connect SRT to V CC for a factory-programmed reset
timeout of 140ms (min).
Manual Reset Input (MR)
(MAX16001/MAX16002/
MAX16004–MAX16007)
Many μP-based products require manual reset capabil-
ity, allowing the operator, a test technician, or external
logic circuitry to initiate a reset. A logic-low on MR
asserts RESET low. RESET remains asserted while MR
is low, and during the reset timeout period (140ms min)
after MR returns high. The MR input has an internal
20k ? pullup resistor to V CC , so it can be left uncon-
nected if not used. MR can be driven with TTL or
CMOS-logic levels, or with open-drain/collector out-
puts. Connect a normally open momentary switch from
22
MR to GND to create a manual reset function. External
debounce circuitry is not required. If MR is driven from
long cables or if the device is used in a noisy environ-
ment, connecting a 0.1μF capacitor from MR to GND
provides additional noise immunity.
Margin Output Disable ( MARGIN )
MARGIN allows system-level testing while power sup-
plies are adjusted from their nominal voltages. Drive
MARGIN low to force RESET , WDO, and OUT_ high,
regardless of the voltage at any monitored input. The
state of each output does not change while MARGIN =
GND. The watchdog timer continues to run when
MARGIN is low, and if a timeout occurs, WDO / RESET
will assert t MD after MARGIN is deasserted.
The MARGIN input is internally pulled up to V CC . Leave
MARGIN unconnected or connect to V CC if unused.
Power-Supply Bypassing
The MAX16000–MAX16007 operate from a 2.0V to 5.5V
supply. An undervoltage lockout ensures that the out-
puts are in the correct states when the UVLO is exceed-
ed. In noisy applications, bypass V CC to ground with a
0.1μF capacitor as close to the device as possible. The
additional capacitor improves transient immunity. For
V CC transients with high slew rates, place an RC low-
pass filter in front of V CC , where R can be up to 100 ? .
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16000ETC | 制造商:Maxim Integrated Products 功能描述:LOW-VOLTAGE, QUAD-/HEX-/OCTAL-VOLTAGE MICROPR - Rail/Tube |
| MAX16000ETC+ | 功能描述:监控电路 Quad/Hex/Octal Volt uP Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX16000ETC+T | 功能描述:监控电路 Quad/Hex/Octal Volt uP Supervisor RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| MAX16000ETC-T | 制造商:Maxim Integrated Products 功能描述:LOW-VOLTAGE, QUAD-/HEX-/OCTAL-VOLTAGE MICROPR - Tape and Reel |
| MAX16001ATE | 制造商:Maxim Integrated Products 功能描述:LOW-VOLTAGE, QUAD-/HEX-/OCTAL-VOLTAGE MICROPR - Rail/Tube |
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