The MAX8885 low-dropout (LDO) linear regulator operates from a +2.5V to +6.5V input voltage range and delivers up to 150mA. It uses a P-channel MOSFET pass transistor to allow a low 85µA supply current-which is independent of the load-as well as LDO voltage. The MAX8885 is optimized to operate with low-cost, high-ESR output capacitors such as small case-size tantalum capacitors. It is ideal for cost-sensitive portable equipment such as PCS and cellular phones. For a pin-compatible, functionally equivalent device for use with a low-ESR, ceramic output capacitor, refer to the MAX8875 data sheet.
The MAX8885 features a power-OK output that indicates when the output is out of regulation, and is available in preset output voltage versions of 5.0V, 3.3V, 3.0V, 2.7V, and 2.5V. Other features include 1µA (max) shutdown current, short-circuit protection, thermal shutdown protection, and reverse-battery protection. The MAX8885 is available in a miniature 5-pin SOT23 package.
Key Features
Applications/Uses
Optimized for Low-Cost Tantalum Capacitors
Pin Compatible with MIC5206
Undervoltage Power-OK Output
Preset Output Voltages (±1% accuracy)
Guaranteed 150mA Output Current
85µA No-Load Supply Current
Low 110mV Dropout at 100mA Load (165mV at 150mA load)
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
Devices:
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MAX8885
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TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
Temp
RoHS/Lead-Free? Materials Analysis
MAX8885EUK27+T
Active
SOT;5 pin;9 mm²
Outline Drawing: 21-0057 (PDF)
Land Pattern: 90-0174 (PDF)
Use pkgcode/variation: U5+1*
MAX8875 150mA, Low-Dropout Linear Regulator with Power OK Output MAX8867, MAX8868 Low-Noise, Low-Dropout, 150mA Linear Regulators in SOT23 MAX8877, MAX8878 Low-Noise, Low-Dropout, 150mA Linear Regulators with '2982 Pinout
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