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参数资料
| 型号： | MAX6384XS21D4+T |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4 |
| 封装： | LEAD FREE, EIAJ, SC-70, 4 PIN |
| 文件页数： | 34/36页 |
| 文件大小： | 501K |
| 代理商： | MAX6384XS21D4+T |
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a negative-going pulse applied to VCC, starting above
the actual reset threshold and ending below it by the
magnitude indicated (reset comparator overdrive). The
graph indicates the typical maximum pulse width a neg-
ative-going VCC transient may have without causing a
reset pulse to be issued. As the magnitude of the tran-
sient increases (goes farther below the reset threshold),
the maximum allowable pulse width decreases. A 0.1F
capacitor mounted as close as possible to VCC provides
additional transient immunity.
Ensuring a Valid RESET
Output Down to VCC = 0V
The MAX6381–MAX6390 are guaranteed to operate
properly down to VCC = 1V. In applications that require
valid reset levels down to VCC = 0V, a pulldown resistor
to active-low outputs (push/pull only, Figure 2) and a
pullup resistor to active-high outputs (push/pull only)
will ensure that the reset line is valid while the reset out-
put can no longer sink or source current. This scheme
does not work with the open-drain outputs of the
MAX6383/MAX6386/MAX6389/MAX6390. The resistor
value used is not critical, but it must be small enough
not to load the reset output when VCC is above the
reset threshold. For most applications, 100k
is ade-
quate.
MAX6381–MAX6390
SC70/DFN, Single/Dual Low-Voltage,
Low-Power P Reset Circuits
_______________________________________________________________________________________
7
MAX6387
MAX6388
MAX6389
RESET IN
( ) IS FOR MAX6388
R1
R2
RESET
(RESET)
GND
VCC
VIN
MAX6381
MAX6384
MAX6387
VCC
R1
100k
RESET
GND
Figure 1. RESET IN Configuration
Figure 2. RESET Valid to VCC = Ground Circuit
PART
RESET
THRESHOLD
RESET TIMEOUT
46
44
31
29
26
23
22
17
MAX638_
16
D3
46
44
31
29
26
23
22
17
MAX6390
16
D4
Standard Versions
Reset Timeout Delay
SUFFIX
MIN
D1
1ms
D2
20ms
D3
140ms
D5
280ms
D6
560ms
D4
1120ms
D7
1200ms
MAX6390_ _D4
1120/140ms*
MAX6390_ _D7
1200/150ms*
*The MAX6390 has a 1120ms or 1200ms RESET timeout and a
140ms or 150ms manual reset timeout.
相关PDF资料 |
PDF描述 |
|---|---|
| MAX6384XS21D5+T | SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits |
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| MAX6384XS22D2+T | SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6384XS21D5 | 制造商:Maxim Integrated Products 功能描述:SC70 SINGLE/DUAL LOW-VOLTAGE LOW- - Rail/Tube |
| MAX6384XS21D5+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 2.1V 7UA 4PIN SC-70 - Rail/Tube |
| MAX6384XS21D5+T | 功能描述:监控电路 Single uPower Reset Circuit 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 |
| MAX6384XS21D5-T | 功能描述:监控电路 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 |
| MAX6384XS21D6 | 制造商:Maxim Integrated Products 功能描述:SC70 SINGLE/DUAL LOW-VOLTAGE LOW- - Rail/Tube |
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