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参数资料
| 型号： | MAX4959ELB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/17页 |
| 文件大小： | 0K |
| 描述： | IC CTLR HI VOLTAGE OVP 10-UDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 过压保护控制器 |
| 应用： | PC，PDA |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-WFDFN |
| 供应商设备封装： | 10-uDFN（2x2） |
| 包装： | 标准包装 |
| 产品目录页面： | 1423 (CN2011-ZH PDF) |
| 其它名称： | MAX4959ELB+TDKR |
MAX4959/MAX4960
no blanking time for OVP, but the debounce time
applies once the IN voltage falls below VOVLO but
above VUVLO. When the voltage at IN is higher than
VOVLO, the CB pin does not control P1.
Correct Adapter (VUVLO < VIN < VOVLO)
In this case, when the adapter is plugged in, the device
goes through a 20ms (typ) debounce time and ensures
that the voltage at IN is between VUVLO and VOVLO
before P1 is turned on. In this state, the CB pin controls
both P1 and P2.
Low-Power Adapter or Glitch Condition
If the adapter has the correct voltage but not enough
power (incorrect low-power adapter), the MAX4959/
MAX4960 protect pFET P1 from oscillation. When the
adapter is first plugged in, P1 is off so the voltage is cor-
rect. When P1 is turned on after the debounce time, the
low-power adapter is dragged down to below VUVLO.
The device waits for a 10ms blanking time to make sure
it is not a temporary glitch, and, if a fault still exists, it
latches off P1. P1 does not turn on again until the
adapter is unplugged (VIN < ~0.75V) and plugged in
again. This feature can work without the battery present
High-Voltage OVP with Battery Switchover
6
_______________________________________________________________________________________
MAX4959
+
-
+
-
+
-
+
-
GATE2
CB
GND
UVS
OVS
VDD
N2
N1
GATE1
N
IN
VSG
+
-
+
-
LOGIC
DIGITAL
SUPPLY
ANALOG
SUPPLY
BANDGAP
UVLO
OVLO
UVLOINT
POWER
ON
VDD
UVLO
VREF1 = 2V
VREF2 = 0.7V
POWER-ON
RESET AND
OFF STORAGE
Functional Diagram for the MAX4959
Functional Diagrams
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4959EUB+ | 功能描述:电流和电力监控器、调节器 OVP w/Battery Switchover RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX4959EUB+T | 功能描述:电流和电力监控器、调节器 OVP w/Battery Switchover RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX495C/D | 功能描述:运算放大器 - 运放 Single Micropower Single-Supply Rail-to-Rail Op Amp RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX495C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX495CPA | 功能描述:运算放大器 - 运放 Single uPower Single Supply Rail-Rail RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
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