IC REG LDO 2.77V 300MA 8-MSOP TR

 

ADP3333ARM-2.77-RL

Manufacturer Part NumberADP3333ARM-2.77-RL
DescriptionIC REG LDO 2.77V 300MA 8-MSOP TR
ManufacturerAnalog Devices Inc
SeriesanyCAP®
ADP3333ARM-2.77-RL datasheets

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Specifications of ADP3333ARM-2.77-RL

Package / Case8-MSOP, Micro8™, 8-uMAX, 8-uSOP,Mounting TypeSurface Mount
Current - Output300mAVoltage - Output2.77V
Voltage - InputUp to 12VOperating Temperature-25°C ~ 85°C
Regulator TopologyPositive FixedVoltage - Dropout (typical)0.14V @ 300mA
Number Of Regulators1Current - Limit (min)-
Other namesADP3333ARM-2.77RL  
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FEATURES
High Accuracy over Line and Load:
1.8% Over Temperature
Ultralow Dropout Voltage: 230 mV (Max) @ 300 mA
Requires Only C
= 1.0 F for Stability
O
anyCAP = Stable with Any Type of Capacitor
(Including MLCC)
Current and Thermal Limiting
Low Noise
Low Shutdown Current: < 1 A
2.6 V to 12 V Supply Range
–40 C to +85 C Ambient Temperature Range
Ultrasmall 8-Lead MSOP Package
APPLICATIONS
Cellular Phones
PCMCIA Cards
Personal Digital Assistants (PDAs)
DSP/ASIC Supplies
GENERAL DESCRIPTION
The ADP3333 is a member of the ADP333x family of precision
low dropout (LDO) any CAP voltage regulators. Pin compatible
with the MAX8860, the ADP3333 operates with a wider input
voltage range of 2.6 V to 12 V and delivers a load current up to
300 mA. ADP3333 stands out from other conventional LDOs
with a novel architecture and an enhanced process that enables
it to offer performance advantages over its competition. Its
patented design requires only a 1.0 µF output capacitor for
stability. This device is insensitive to output capacitor
equivalent series resistance (ESR) and is stable with any good
quality capacitor, including ceramic (MLCC) types for space-
restricted applications. The ADP3333 achieves exceptional
accuracy of ± 0.8% at room temperature and ± 1.8% over
temperature, line, and load variations. The dropout voltage of
the ADP3333 is only 140 mV (typical) at 300 mA. This device
also includes a safety current limit, thermal overload protection,
and a shutdown feature. In shutdown mode, the ground current
is reduced to less than 1 µA. The ADP3333 has ultralow
quiescent current, 70 µA (typ) in light load situations.
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
High Accuracy Ultralow I
anyCAP
0.8% @ 25 C,
IN
SD
V
IN
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
, 300 mA,
Q
Low Dropout Regulator
®
ADP3333
FUNCTIONAL BLOCK DIAGRAM
Q1
THERMAL
ADP3333
PROTECTION
CC
g
DRIVER
m
BAND GAP
REF
GND
ADP3333
NC
I N
OUT
C
IN
C
OUT
1 F
1 F
SD
GND
ON
NC = NO CONNECT
OFF
Figure 1. Typical Application Circuit
www.analog.com
© 2003 Analog Devices, Inc. All rights reserved.
OUT
R1
R2
V
OUT

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ADP3333ARM-2.77-RL Summary of contents

  • Page 1

    FEATURES High Accuracy over Line and Load: 1.8% Over Temperature Ultralow Dropout Voltage: 230 mV (Max) @ 300 mA Requires Only C = 1.0 F for Stability O anyCAP = Stable with Any Type of Capacitor (Including MLCC) Current and ...

  • Page 2

    ADP3333–SPECIFICATIONS Parameter Symbol OUTPUT 2 Voltage Accuracy V 2 Line Regulation Load Regulation Dropout Voltage V Peak Load Current I Output Noise V GROUND CURRENT In Regulation I In Dropout I In Shutdown I SHUTDOWN Threshold Voltage V SD Input ...

  • Page 3

    ... Model ADP3333ARM-1.5-RL ADP3333ARM-1.5-RL7 ADP3333ARM-1.8-RL ADP3333ARM-1.8-RL7 ADP3333ARM-2.5-RL ADP3333ARM-2.5-RL7 ADP3333ARM-2.77-RL ADP3333ARM-2.77-R7 ADP3333ARM-3-REEL ADP3333-3-REEL7 ADP3333ARM-3.15-RL ADP3333ARM-3.15-R7 ADP3333ARM-3.3-RL ADP3333ARM-5-REEL ADP3333-5-REEL7 CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the ADP3333 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges ...

  • Page 4

    ADP3333 –Typical Performance Characteristics 2.502 V = 2.5V OUT 0mA 2.500 2.498 100mA 2.496 2.494 200mA 2.492 300mA 2.490 2.488 INPUT VOLTAGE – V TPC 1. Line Regulation Output Voltage vs. ...

  • Page 5

    V = 2.5V OUT 2. 8 2.51 L 2.50 2.49 3.50 3. 140 180 TIME – s TPC 10. Line Transient Response 2 2.5V OUT ...

  • Page 6

    ADP3333 THEORY OF OPERATION The new anyCAP LDO ADP3333 uses a single control loop for regulation and reference functions (see Figure 2). The output voltage is sensed by a resistive voltage divider consisting of R1 and R2 that is varied ...

  • Page 7

    Calculating Junction Temperature Device power dissipation is calculated as follows ( ) = − OUT LOAD Where I and I are load current and ground current, and LOAD GND V and V are the ...

  • Page 8

    ADP3333 Revision History Location 8/03—Data Sheet changed from REV REV. A Changes to Figure ...

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