MAX8877 Maxim, MAX8877 Datasheet

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MAX8877

Manufacturer Part Number
MAX8877
Description
Low-Noise / Low-Dropout / 150mA Linear Regulators with 2982 Pinout
Manufacturer
Maxim
Datasheet

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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 30µV
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 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 a miniature 5-pin SOT23 package.
________________________Applications
19-1301; Rev 1; 3/98
____________Typical Operating Circuit
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
__________________General Description
ON
Cellular Telephones
Cordless Telephones
PCS Telephones
PCMCIA Cards
Modems
Hand-Held Instruments
Palmtop Computers
Electronic Planners
INPUT
2.5V TO 6.5V
OFF
1 F
C
IN
C
0.01 F
BP
________________________________________________________________ Maxim Integrated Products
IN
SHDN
BP
Low-Noise, Low-Dropout, 150mA Linear
MAX8877
MAX8878
GND
OUT
C
1 F
OUT
OUTPUT
PRESET
2.5V TO 5.0V
150mA
Regulators with ‘2982 Pinout
RMS
, and
* Dice are tested at T
** xy is the output voltage code (see Expanded Ordering
____________________________Features
_________________Ordering Information
_____________________Pin Configuration
MAX8877C/Dxy
MAX8877EUKxy-T
MAX8878C/Dxy
MAX8878EUKxy-T
Information table at end of data sheet).
Pin-Compatible with the Industry-Standard ‘2982
Low Output Noise: 30µV
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
TOP VIEW
PART**
SHDN
GND
A
IN
= +25°C only.
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
1
2
3
0°C to +70°C
0°C to +70°C
SOT23-5
MAX8877
MAX8878
RMS
5
4
OUT
BP
Dice*
5 SOT23-5
Dice*
5 SOT23-5
PIN-PACKAGE
1

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