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參數(shù)資料
| 型號(hào)： | MCP201 |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | LIN Transceiver with Voltage Regulator(帶有集成Vreg的線收發(fā)器) |
| 中文描述： | LIN收發(fā)器和穩(wěn)壓器（帶有集成Vreg的線收發(fā)器） |
| 文件頁數(shù)： | 8/27頁 |
| 文件大小： | 417K |
| 代理商： | MCP201 |
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DS21730C-page 8
Preliminary
2003 Microchip Technology Inc.
1.6
Internal Voltage Regulator
The MCP201 has a low drop-out voltage, positive reg-
ulator capable of supplying 5.00 VDC ±5%, at up to
50 mA of load current over the entire operating temper-
ature range. With a load current of 50 mA, the minimum
input-to output voltage differential required for the out-
put to remain in regulation is typically +0.5V (+1V
maximum over the full operating temperature range).
Quiescent current is less than 1.0 mA, with a full 50 mA
load current, when the input-to-output voltage
differential is greater than +2V.
The regulator requires an external output bypass
capacitor for stability.
Designed for automotive applications, the regulator will
protect itself, any load from reverse battery connec-
tions, double-battery jumps and up to +40V load dump
transients. The voltage regulator has both short-circuit
and thermal shutdown protection built-in.
Regarding the correlation between V
BAT
, V
REG
and
I
DD
, please refer to Figure 1-4 through Figure 1-7.
When the input voltage (V
BAT
) drops below the
differential needed to provide stable regulation, the
output V
REG
will track the input down to approximately
4V, at which point the regulator will turn off. This will
allow microcontrollers with internal POR circuits to gen-
erate a clean arming of the Power-on Reset trip point.
The regulator output will stay off until V
BAT
is above,
approximately, 6V.
In the start phase, V
BAT
must be at least 6.0V
(Figure 1-4) to initiate operation during power-up. In
Power-down mode, the V
BAT
monitor will be turned off.
The regulator has a thermal shutdown. If the thermal
protection circuit detects an over-temperature condi-
tion caused by an over-current condition (Figure 1-7) of
the regulator, it will shutdown.
The regulator has an overload current limiting. During
a short-circuit, V
REG
is monitored. If V
REG
is lower than
3.5V, the regulator will turn off. After a thermal recovery
time, the V
REG
will be checked again. If there is no
short-circuit (V
REG
> 3.5V), the regulator will be
switched back on.
FIGURE 1-4:
VOLTAGE REGULATOR OUTPUT ON POWER-ON RESET
Note 1:
Start-up, V
BAT
< 6.0V, regulator off.
V
BAT
> 6.0V, regulator on.
V
BAT
≤
5.5V, regulator tracks V
BAT
, regulator will turn
off when V
REG
< 3.5V.
2:
3:
5
3.5
3
0
REG
V
V
(1)
(2)
(3)
t
0
t
6
2
8
4
3.5
BAT
V
V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCP201-E | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:LIN Transceiver with Voltage Regulator |
| MCP201-E/P | 功能描述:LIN 收發(fā)器 W/ On Board Vreg RoHS:否 制造商:NXP Semiconductors 工作電源電壓: 電源電流: 最大工作溫度: 封裝 / 箱體:SO-8 |
| MCP201-E/SN | 功能描述:LIN 收發(fā)器 W/ On Board Vreg RoHS:否 制造商:NXP Semiconductors 工作電源電壓: 電源電流: 最大工作溫度: 封裝 / 箱體:SO-8 |
| MCP201-EMF | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:LIN Transceiver with Voltage Regulator |
| MCP201-EP | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:LIN Transceiver with Voltage Regulator |
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