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參數(shù)資料
| 型號(hào)： | TLE4263 |
| 廠商： | SIEMENS AG |
| 英文描述： | 5-V Low-Drop Voltage Regulator |
| 中文描述： | 5V的低壓降穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 4/16頁(yè) |
| 文件大?。?/td> | 104K |
| 代理商： | TLE4263 |
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TLE 4263
Semiconductor Group
4
1998-11-01
Circuit Description
The control amplifier compares a reference voltage, which is kept highly accurate by
resistance adjustment, to a voltage that is proportional to the output voltage and drives
the base of the series transistor via a buffer. Saturation control as a function of the load
current prevents any over-saturation of the power element. If the externally scaled down
output voltage at the reset threshold input drops below 1.35 V, the external reset delay
capacitor is discharged by the reset generator. If the voltage on the capacitor reaches
the lower threshold
V
ST
, a reset signal is issued on the reset output and not cancelled
again until the upper threshold
V
dT
is exceeded. If the reset threshold input is connected
to GND, reset is triggered at an output voltage of 4.5 V. A connected microcontroller is
controlled by the watchdog logic. If pulses are missing, the reset output is set to low. The
pulse sequence time can be set within a wide range with the reset delay capacitor. The
IC can be switched at the TTL-compatible, low-active inhibit input. The IC also
incorporates a number of internal circuits for protection against:
G
Overload
G
Overtemperature
G
Reverse polarity
Block Diagram
Input
18
AEB01100
20
GND
4-7, 14-17
Output
12
9
3
10
Reset
Delay
Reset
Output
Reset
Threshold
Watchdog
11
Temperature
Sensor
Generator
Reset
Reference
Bandgap
Adjustment
Buffer
Control
Amplifier
Saturation
Control and
Protection
Circuit
Inhibit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TLE4263GM | 5-V Low-Drop Voltage Regulator |
| TLE4264 | 5-V Low-Drop Fixed-Voltage Regulator |
| TLE4264G | 5-V Low-Drop Fixed-Voltage Regulator |
| TLE4265 | 5-V Low-Drop Voltage Regulator |
| TLE4265S | 5-V Low-Drop Voltage Regulator |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLE4263_07 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:5-V Low Drop Voltage Regulator |
| TLE4263-2ES | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) LINEAR VLTGE REG RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| TLE42632ESXT | 制造商:Infineon Technologies AG 功能描述:LDO Regulator Pos 5V 0.18A 8-Pin DSO EP |
| TLE42632ESXUMA1 | 制造商:Infineon Technologies AG 功能描述:LINEAR VOLTAGE REGULATOR - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC REG LDO 5V 0.15A 8DSO |
| TLE4263G | 功能描述:低壓差穩(wěn)壓器 - LDO LOW DROPOUT REGULATOR RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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