High Accuracy anyCAP™*
300 mA Low Dropout Linear Regulator
a
ADP3306
FUNCTIONAL BLOCK DIAGRAM
FEATURES
High Accuracy Over Line and Load Regulations
at 25؇C: ؎1%
ADP3306
Ultralow Dropout Voltage: 300 mV Typical @ 300 mA
Requires Only CO = 1 F for Stability
anyCAP™ = Stable with All Types of Capacitors
(Including MLCC)
Q1
OUT
IN
R1
R2
THERMAL
PROTECTION
CC
ERR
DRIVER
Q2
Gm
Current and Thermal Limiting
Low Noise
Dropout Detector
SD
BANDGAP
REF
Low Shutdown Current: 1 A
Several Fixed Voltage Options
3.2 V to 12 V Supply Range
GND
–20؇C to +85؇C Ambient Temperature Range
Thermally Enhanced SO-8 and TSSOP-14 Packages
Excellent Line and Load Regulations
APPLICATIONS
Cellular Telephones
3
1
NR
ADP3306-5.0
Notebook, Palmtop Computers
Battery Powered Systems
Portable Instruments
Post Regulator for Switching Supplies
Bar Code Scanners
7
8
IN
V
OUT
V
= +5V
IN
OUT
2
R
1
330k⍀
C2
1F
C1
0.47F
6
E
ERR
OUT
4
5
PRELIMINARY
ON
OFF
GENERAL DESCRIPTION
The ADP3306 is a member of the ADP330x family of precision
TECHNICAL
DATA
SD
GND
low dropout anyCAP™ voltage regulators. The ADP3306
stands out from the conventional LDOs with a novel architec-
ture, an enhanced process and a new package. Its patented
design requires only a 0.1 µF output capacitor for stability.
This device is stable with any capacitor, regardless of its ESR
(Equivalent Series Resistance) value, including ceramic types
(MLCC) for space restricted applications. The ADP3306
achieves exceptional accuracy of ±1.0% at room temperature and
±1.5% overall accuracy over temperature, line and load regula-
tions. The dropout voltage of the ADP3306 is only 300 mV
(typical) at 300 mA.
Figure 1. Typical Application Circuit
The ADP3306 operates with a wide input voltage range from
3.2 V to 12 V and delivers a load current in excess of 300 mA. It
features an error flag that signals when the device is about to lose
regulation or when the short circuit or thermal overload protec-
tion is activated. Other features include shutdown and optional
noise reduction capabilities. The ADP330x anyCAP™ LDO fam-
ily offers a wide range of output voltages and output current
levels from 50 mA to 300 mA:
In addition to the new architecture and process, ADI’s new
proprietary thermally enhanced package (Thermal Coastline)
can handle 1 W of power dissipation without external heat sink
or large copper surface on the PC board. This keeps PC board
real estate to a minimum and makes the ADP3306 very attrac-
tive for use in portable equipment.
ADP3300 (50 mA, SOT-23)
ADP3307 (100 mA, SOT-23)
ADP3301 (100 mA)
ADP3302 (100 mA, Dual Output)
ADP3304 (100 mA, Dual Output with Separate Grounds)
ADP3303 (200 mA)
*anyCAP is a trademark of Analog Devices Inc.
REV. 0
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
World Wide Web Site: http://www.analog.com
© Analog Devices, Inc., 1997
5秒后页面跳转
74LS32芯片参数、引脚图及功能真值表
全球首块英伟达H200交付 黄仁勋“送货上门”
常用8脚开关电源芯片型号大全
74HC04芯片引脚图及功能、应用电路图讲解
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
数据手册
如果您发现信息不准确，
