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參數資料
| 型號： | MAX8878EZK49-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 固定正電壓單路輸出LDO穩壓器 |
| 英文描述： | 4.9 V FIXED POSITIVE LDO REGULATOR, 0.12 V DROPOUT, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數： | 1/10頁 |
| 文件大小： | 391K |
| 代理商： | MAX8878EZK49-T |
__________________General Description
The MAX8877/MAX8878 low-noise, low-dropout linear
regulators operate from a 2.5V to 6.5V input and deliver
up to 150mA. These devices are pin-compatible with
the industry-standard '2982 and offer an improved
dropout voltage. Typical output noise is 30VRMS, and
typical dropout is only 165mV at 150mA. The output
voltage is preset to voltages in the range of 1.5V to
5.0V, in 100mV increments.
Designed with an internal P-channel MOSFET pass
transistor, the MAX8877/MAX8878 maintain a low
100A supply current, independent of the load current
and dropout voltage. Other features include a 10nA
logic-controlled shutdown mode, short-circuit and ther-
mal-shutdown protection, and reverse battery protec-
tion. The MAX8878 also includes an auto-discharge
function, which actively discharges the output voltage
to ground when the device is placed in shutdown. Both
devices come in regular and thin 5-pin SOT23 pack-
ages.
________________________Applications
Cellular Telephones
Cordless Telephones
PCS Telephones
PCMCIA Cards
Modems
Hand-Held Instruments
Palmtop Computers
Electronic Planners
____________________________Features
o Pin-Compatible with the Industry-Standard '2982
o Low Output Noise: 30VRMS
o Low 55mV Dropout at 50mA Output
(165mV at 150mA output)
o Low 85A No-Load Supply Current
o Low 100A Operating Supply Current
(even in dropout)
o Thermal-Overload and Short-Circuit Protection
o Reverse Battery Protection
o Output Current Limit
o Preset Output Voltages (±1.4% Accuracy)
o 10nA Logic-Controlled Shutdown
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
MAX8877/MAX8878
Low-Noise, Low-Dropout, 150mA Linear
Regulators with '2982 Pinout
________________________________________________________________ Maxim Integrated Products
1
GND
BP
SHDN
1
5
OUT
IN
MAX8877
MAX8878
SOT23-5
REGULAR AND THIN
TOP VIEW
2
3
4
_____________________Pin Configuration
MAX8877
MAX8878
INPUT
2.5V TO 6.5V
IN
OUT
SHDN
BP
GND
OUTPUT
PRESET
1.5V TO 5.0V
150mA
CBP
0.01
F
COUT
3.3
F
CIN
1
F
OFF
ON
____________Typical Operating Circuit
19-1301; Rev 2; 1/01
_________________Ordering Information
*Dice are tested at TA = +25°C only.
**xy is the output voltage code (see Expanded Ordering
Information table at end of data sheet).
PART**
TEMP.
RANGE
PIN-PACKAGE
MAX8877C/Dxy
0
°C to +70°C Dice*
MAX8877EUKxy-T
-40
°C to +85°C 5 SOT23-5 Regular
MAX8877EZKxy-T
-40
°C to +85°C 5 SOT23-5 Thin
MAX8878C/Dxy
0
°C to +70°C Dice*
MAX8878EUKxy-T
-40
°C to +85°C 5 SOT23-5 Regular
MAX8878EZKxy-T
-40
°C to +85°C 5 SOT23-5 Thin
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX8878EZK50 | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product |
| MAX8878EZK50+ | 制造商:Maxim Integrated Products 功能描述:REG LDO LIN FIX POS 5V 0.15A 5PIN TSOT-23 - Cut Tape Product |
| MAX8878EZK50+T | 功能描述:低壓差穩壓器 - LDO 150mA Linear 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 |
| MAX8878EZK50-T | 功能描述:低壓差穩壓器 - LDO 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 |
| MAX8879ETG+ | 功能描述:LED照明驅動器 Charge Pump for Back Light/Flash/RGB LEDs RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
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