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Part Number: MAX8867
Description: The MAX8867/MAX8868 low-noise, low-dropout linear regulators operate from a 2.5V to 6.5V input and deliver up to 150...
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MAX8867
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General Description
MAX8867 General Description
The MAX8867/MAX8868 low-noise, low-dropout linear regulators operate from a 2.5V to 6.5V input and deliver up to 150mA. Typical output noise for these devices is just 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. The MAX8867 and MAX8868 are pin-compatible with the MAX8863 and MAX8864, except for the BP pin.
Designed with an internal P-channel MOSFET pass transistor, the MAX8867/MAX8868 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 MAX8868 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.
MAX8867 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 Range ............................-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 Range ............................-65 to +160
Lead Temperature (soldering, 10sec) ............................+300
MAX8867 Features
·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 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
MAX8867 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
MAX8867 Connection Diagram
MAX8867
PDF/DataSheet Download
- Datasheet: MAX8867
- File Size: 117188 KB
- Manufacturer: Maixm
- Click here to Download
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MAX8867 Relative Products
MAX8866TEUA+T
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MAX8866T
The MAX8866T dual, low-dropout linear regulators operate from a +2.5V to +5.5V input range and deliver up to 100mA. At 200mA total load, the PMOS pass transistors keep the supply current at 145A, making these MAX8866T ideal for battery-operated portable equi...
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MAX8866S
The MAX8866S dual, low-dropout linear regulators operate from a +2.5V to +5.5V input range and deliver up to 100mA. At 200mA total load, the PMOS pass transistors of MAX8866S keepthe supply current at 145A, making these devices ideal for battery-operated por...
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