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參數(shù)資料
| 型號(hào)： | MAX16013 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Ultra-Small, Overvoltage Protection/Detection Circuits |
| 中文描述： | 超小型、過(guò)壓保護(hù)/檢測(cè)電路 |
| 文件頁(yè)數(shù)： | 7/12頁(yè) |
| 文件大?。?/td> | 214K |
| 代理商： | MAX16013 |
The MAX16013/MAX16014 can be configured as an
overvoltage switch controller to turn on/off a load (see
the
Typical Application Circuit
). When the programmed
overvoltage threshold is tripped, the internal fast com-
parator turns off the external p-channel MOSFET (P2),
pulling GATE2 to V
CC
to disconnect the power source
from the load. When the monitored voltage goes below
the adjusted overvoltage threshold, the MAX16013
enhances GATE2, reconnecting the load to the power
source (toggle ENABLE on the MAX16014 to reconnect
the load). The MAX16013 can be configured as an
overvoltage limiter switch by connecting the resistive
divider to the load instead of V
CC
(Figure 3). See the
Overvoltage Limiter
section.
Supply Voltage
Connect a 5.5V to 72V supply to V
CC
for proper opera-
tion. For noisy environments, bypass V
CC
to GND with a
0.1μF or greater capacitor. When V
CC
falls below the
UVLO voltage the following states are present (Table 1).
Hysteresis
Hysteresis adds noise immunity to the voltage monitors
and prevents oscillation due to repeated triggering
when the monitored voltage is near the threshold trip
voltage. The hysteresis in a comparator creates two trip
points: one for the rising input voltage (V
TH+
) and one
for the falling input voltage (V
TH-
). These thresholds are
shown in Figure 4.
Enable Inputs (EN or
EN
)
The MAX16011 offers an active-high enable input (EN),
while the MAX16010 offers both an active-high enable
input (EN) and active-low enable input (
EN
). For the
MAX16010, drive EN low or
EN
high to force the output
low. When the device is enabled (EN = high and
EN
=
low) the state of OUTA and OUTB depends on INA+
and INB- logic states.
M
Ultra-Small, Overvoltage Protection/
Detection Circuits
_______________________________________________________________________________________
7
MAX16012
IN+
REF
IN-
OUT
R
PULLUP
R1
R2
GND
V
BATT
V
CC
OUT
Figure 2. Typical Operating Circuit for the MAX16012
MAX16013
GATE1
SET
GATE2
V
CC
GND
P2
P1
R1
R2
V
BATT
Figure 3. Overvoltage Limiter Protection
Table 1. UVLO State (V
CC
< V
UVLO
)
PART
MAX16010
OUTA
Low
OUTB
OUT
—
GATE2
—
Low
MAX16011
Low
Low, LOGIC = low
High, LOGIC = high
—
—
MAX16012
—
—
Low
—
MAX16013
MAX16014
—
—
—
High
V
IN+
V
OUT
V
TH+
V
TH-
V
CC
0V
V
HYST
t
PROP
t
PROP
t
PROP
Figure 4. Input and Output Waveforms
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX16013TT-T | Ultra-Small, Overvoltage Protection/Detection Circuits |
| MAX16014 | Ultra-Small, Overvoltage Protection/Detection Circuits |
| MAX16014TT-T | Ultra-Small, Overvoltage Protection/Detection Circuits |
| MAX1601 | Dual-Channel CardBus and PCMCIA VCC/VPP Power-Switching(內(nèi)部Vcc、Vpp開關(guān)，限流，熱保護(hù)，PCMCIA電源切換芯片) |
| MAX16031 | EEPROM-Based System Monitors with Nonvolatile Fault Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX16013TT | 制造商:Maxim Integrated Products 功能描述:ULTRA-SMALL OVERVOLTAGE PROTECTION - Rail/Tube |
| MAX16013TT+ | 制造商:Maxim Integrated Products 功能描述:PROCESSOR SUPERVISOR 1.245V/1.18V 25UA 6TDFN EP - Rail/Tube |
| MAX16013TT+T | 功能描述:監(jiān)控電路 Overvoltage Protect / Detect 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(guò)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 |
| MAX16013TT-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(guò)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 |
| MAX16014TT | 制造商:Maxim Integrated Products 功能描述:ULTRA-SMALL OVERVOLTAGE PROTECTION - Rail/Tube |
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