LP2981-33DBVR LP2981-30DBVR Power Path Management IC LDO Voltage Regulators MICROPOWER 50 MA ULTRA LDO REGULATOR
microchip battery management
,power management integrated circuit
LP2981-33DBVR LP2981-30DBVR Power Path Management IC LDO Voltage Regulators MICROPOWER 50 MA ULTRA LDO REGULATOR
1 Features
- Output Tolerance of
-
– 0.75% (A Grade)
-
– 1.25% (Standard Grade)
-
Ultra-Low Dropout Typically:
– 200mVCM GROUPllLoadof100mA – 7mVat1mA -
Low IQ: 600 μA Typical at Full Load of 100 mA
-
Shutdown Current: 0.01 μA Typical
-
Fast Transient Response to Line and Load
-
Overcurrent and Thermal Protection
-
High Peak Current Capability
-
Low ZOUT Over Wide Frequency Range
-
−40°C to 125°C Temperature Range
2 Applications
-
Smart Meters
-
Servo and Motor Control
-
Mobile Phones and Cameras
-
Audio and Portable Speakers
-
Telecommunication and Networking
3 Description
The LP2981 and LP2981A families of fixed-output, low-dropout regulators offer exceptional, cost- effective performance for both portable and non- portable applications. Available in fixed voltages of 2.8 V, 3 V, 3.3 V, and 5 V, the family has an output tolerance of 0.75% for the A-grade devices (1.25% for the standard grade) and is capable of delivering 100-mA continuous load current. Standard regulator features, such as overcurrent and overtemperature protection, are included.
The LP2981 and LP2981A have features that make the regulators ideal candidates for a variety of portable applications:
-
Low dropout: A PNP pass element allows a typical dropout of 200 mV at 100-mA load current and 7 mV at 1-mA load.
-
Low quiescent current: The use of a vertical PNP process allows for quiescent currents that are considerably lower than those associated with traditional lateral PNP regulators.
-
Shutdown: A shutdown feature is available, allowing the regulator to consume only 0.01 μA when the ON/OFF pin is pulled low.
Device Information
|
PART NUMBER |
PACKAGE (PINS) |
BODY SIZE (NOM) |
|
LP2981-XXDBV LP2981A-XXDBV |
SOT-23 (5) |
2.90 mm × 1.60 mm |
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