applies once the IN voltage falls below VOVLO " />
參數(shù)資料
型號(hào)： MAX4959ELB+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 14/17頁(yè)
文件大?。?/td> 0K
描述： IC CTLR HI VOLTAGE OVP 10-UDFN
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
類型： 過(guò)壓保護(hù)控制器
應(yīng)用： PC，PDA
安裝類型： 表面貼裝
封裝/外殼： 10-WFDFN
供應(yīng)商設(shè)備封裝： 10-uDFN（2x2）
包裝： 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面： 1423 (CN2011-ZH PDF)
其它名稱： 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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4959EUB+ 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 OVP w/Battery Switchover RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX4959EUB+T 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 OVP w/Battery Switchover RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
MAX495C/D 功能描述:運(yùn)算放大器 - 運(yùn)放 Single Micropower Single-Supply Rail-to-Rail Op Amp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
MAX495C/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX495CPA 功能描述:運(yùn)算放大器 - 運(yùn)放 Single uPower Single Supply Rail-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
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