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參數資料
| 型號： | TLE4275Q1 |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 5-V LOW-DROPOUT VOLTAGE REGULATOR |
| 中文描述： | 5 - V低差穩壓器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 316K |
| 代理商： | TLE4275Q1 |
www.ti.com
FEATURES
Qualified for Automotive Applications
Output Voltage 5 V
±
2%
Very Low Current Consumption
Power-On and Undervoltage Reset
Reset Low-Level Output Voltage < 1 V
Very Low Dropout Voltage
Short-Circuit Proof
Reverse-Polarity Proof
ESD Protection > 6 kV
KTT PACKAGE
(TOP VIEW)
IN
1
RESET
GND
DELAY
OUT
5
4
3
2
DESCRIPTION/ORDERING INFORMATION
The TLE4275 is a monolithic integrated low-dropout voltage regulator offered in a 5-pin TO package. An input
voltage up to 45 V is regulated to V
= 5 V (typ). The device can drive loads up to 450 mA and is short-circuit
proof. At overtemperature, the TLE4275 is turned off by the incorporated temperature protection. A reset signal
is generated for an output voltage, V
OUT,rt
, of 4.65 V (typ). The reset delay time can be programmed by the
external delay capacitor.
The input capacitor, C
IN
, compensates for line fluctuation. Using a resistor of approximately 1
, in series with
C
IN
, dampens the oscillation of input inductivity and input capacitance. The output capacitor, C
OUT
, stabilizes the
regulation circuit. Stability is specified at C
OUT
≥
22
μ
F and ESR
≤
5
, within the operating temperature range.
The control amplifier compares a reference voltage 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 oversaturation of the power element. The device also incorporates a number of internal circuits for
protection against:
Overload
Overtemperature
Reverse polarity
TLE4275-Q1
5-V LOW-DROPOUT VOLTAGE REGULATOR
SLVS647–AUGUST 2006
ORDERING INFORMATION
T
J
PACKAGE
(1)
ORDERABLE PART NUMBER
TLE4275QKTTRQ1
TOP-SIDE MARKING
TLE4275Q1
–40
°
C to 150
°
C
TO-263 – KTT
Reel of 500
(1)
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
TERMINAL FUNCTIONS
NO.
1
2
3
4
5
NAME
IN
RESET
GND
DELAY
OUT
DESCRIPTION
Input. Connect to ground as close to device as possible, through a ceramic capacitor.
Reset output. Open-collector output.
Ground. Internally connected to heatsink.
Reset delay. Connect to ground with a capacitor to set delay time.
Output. Connect to ground with
≥
22-
μ
F capacitor, ESR < 5
at 10 kHz.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2006, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TLE4275-Q1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:5-V LOW-DROPOUT VOLTAGE REGULATOR |
| TLE4275QKTTRQ1 | 功能描述:低壓差穩壓器 - LDO Auto Catalog 5-V Lo Dropout Vltg Reg 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TLE4275QKVURQ1 | 功能描述:低壓差穩壓器 - LDO AC 5V LDO Vltg Reg 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TLE4275QPWPRQ1 | 功能描述:Linear Voltage Regulator IC Positive Fixed 1 Output 5V 450mA 20-HTSSOP 制造商:texas instruments 系列:汽車級，AEC-Q100 包裝:剪切帶（CT） 零件狀態:有效 穩壓器拓撲:正，固定式 電壓 - 輸出:5V 電流 - 輸出:450mA 電壓 - 跌落（典型值）:0.25V @ 300mA 穩壓器數:1 電壓 - 輸入:5.5 V ~ 42 V 電流 - 限制（最小值）:450mA 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:20-TSSOP（0.173"，4.40mm 寬）裸焊盤 供應商器件封裝:20-HTSSOP 標準包裝:1 |
| TLE4275S | 功能描述:低壓差穩壓器 - LDO LW Drop Fixed VOLT REGULATOR 200mA 5V 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 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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