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Part Number: MAX8878
Description: The MAX8877/MAX8878 low-noise, low-dropout linear regulators operate from a 2.5V to 6.5V input and deliver up to 150...
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MAX8878
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DataSheet
General Description
MAX8878 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 30µVRMS, and typical dropout is only 165mV at 150mA. The output voltage is preset to voltages in the range of 2.5V to 5.0V, in 100mV increments.
Designed with an internal P-channel MOSFET pass transistor, the MAX8877/MAX8878 maintain a low 100µA supply current, independent of the load current and dropout voltage. Other features include a 10nA logic-controlled shutdown mode, short-circuit and thermal- shutdown protection, and reverse battery protection.
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 a miniature 5-pin SOT23 package.
MAX8878 Maximum Ratings
IN to GND ....................................................................-7V to +7V
Output Short-Circuit Duration ............................................Infinite
SHDN to GND................................................................-7V to +7V
SHDN to IN ...............................................................-7V to +0.3V
OUT, BP to GND............................................-0.3V to (VIN + 0.3V)
Continuous Power Dissipation (TA = +70)
SOT23-5 (derate 7.1mW/ above +70)........................571mW
Operating Temperature Range .............................-40 to +85
Junction Temperature........................................................+150
JB...................................................................................140/W
Storage Temperature...........................................-65 to +160
Lead Temperature (soldering, 10sec) ...............................+300
Output Short-Circuit Duration ............................................Infinite
SHDN to GND................................................................-7V to +7V
SHDN to IN ...............................................................-7V to +0.3V
OUT, BP to GND............................................-0.3V to (VIN + 0.3V)
Continuous Power Dissipation (TA = +70)
SOT23-5 (derate 7.1mW/ above +70)........................571mW
Operating Temperature Range .............................-40 to +85
Junction Temperature........................................................+150
JB...................................................................................140/W
Storage Temperature...........................................-65 to +160
Lead Temperature (soldering, 10sec) ...............................+300
MAX8878 Features
`Pin-Compatible with the Industry-Standard '2982
`Low Output Noise: 30µVRMS
`Low 55mV Dropout at 50mA Output (165mV at 150mA output)
`Low 85µA No-Load Supply Current
`Low 100µA Operating Supply Current (even in dropout)
`Thermal-Overload and Short-Circuit Protection
`Reverse Battery Protection
`Output Current Limit
`Preset Output Voltages (±1.4% Accuracy)
`10nA Logic-Controlled Shutdown
`Low Output Noise: 30µVRMS
`Low 55mV Dropout at 50mA Output (165mV at 150mA output)
`Low 85µA No-Load Supply Current
`Low 100µA Operating Supply Current (even in dropout)
`Thermal-Overload and Short-Circuit Protection
`Reverse Battery Protection
`Output Current Limit
`Preset Output Voltages (±1.4% Accuracy)
`10nA Logic-Controlled Shutdown
MAX8878 Typical Application
·Cellular Telephones
·Cordless Telephones
·PCS Telephones
·PCMCIA Cards
·Modems
·Hand-Held Instruments
·Palmtop Computers
·Electronic Planners
·Cordless Telephones
·PCS Telephones
·PCMCIA Cards
·Modems
·Hand-Held Instruments
·Palmtop Computers
·Electronic Planners
MAX8878 Connection Diagram
MAX8878
PDF/DataSheet Download
- Datasheet: MAX8878
- File Size: 400775 KB
- Manufacturer: Maxim
- Click here to Download
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MAX8878 Relative Products
MAX8877EZK50+T
IC REG LINEAR 150MA TSOT23-5
MAX8877EZK45+T
IC REG LINEAR 150MA TSOT23-5
MAX8877EZK36+T
IC REG LINEAR 150MA TSOT23-5
MAX8877EZK33+T
IC REG LINEAR 150MA TSOT23-5
MAX8877EZK32+T
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MAX8877EZK30+T
IC REG LINEAR 150MA TSOT23-5
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