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Analog Devices Semiconductor Electronic Components Datasheet

ADP3300 Datasheet

High Accuracy anyCAP 50 mA Low Dropout Linear Regulator

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ADP3300 pdf
a
High Accuracy anyCAP®
50 mA Low Dropout Linear Regulator
ADP3300
FEATURES
High Accuracy (Over Line and Load Regulations
at 25؇C): ؎0.8%
Ultralow Dropout Voltage: 80 mV Typical @ 50 mA
Requires Only CO = 0.47 F for Stability
anyCAP™ = Stable with All Types of Capacitors
(Including MLCC)
Current and Thermal Limiting
Low Noise
Dropout Detector
Low Shutdown Current: 1 A
3.0 V to 12 V Supply Range
–40؇C to +85؇C Ambient Temperature Range
Several Fixed Voltage Options
Ultrasmall SOT-23 6-Lead Package
Excellent Line and Load Regulations
APPLICATIONS
Cellular Telephones
Notebook, Palmtop Computers
Battery Powered Systems
PCMCIA Regulators
Bar Code Scanners
Camcorders, Cameras
GENERAL DESCRIPTION
The ADP3300 is a member of the ADP330x family of precision
low dropout anyCAP™ voltage regulators. The ADP3300
stands out from conventional LDOs with a novel architecture
and an enhanced process. Its patented design requires only a
0.47 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 appli-
cations. The ADP3300 achieves exceptional accuracy of ±0.8%
at room temperature and ± 1.4% overall accuracy over tempera-
ture, line and load regulations. The dropout voltage of the
ADP3300 is only 80 mV (typical) at 50 mA.
The ADP3300 operates with a wide input voltage range from
3.0 V to 12 V and delivers a load current in excess of 50 mA. It
features an error flag that signals when the device is about to
lose regulation or when the short circuit or thermal overload
protection is activated. Other features include shutdown and
optional noise reduction capabilities. The ADP330x anyCAP™
FUNCTIONAL BLOCK DIAGRAM
IN
ERR
Q2
SD
Q1
THERMAL
PROTECTION
DRIVER
GND
ADP3300
CC
Gm
BANDGAP
REF
OUT
R1
R2
VIN
C1
0.47 F
NR 2
ADP3300-5
5 IN
OUT 4
6
3
ON
OFF
1
GND
R1
330k
EOUT
VOUT = +5V
C2
0.47 F
Figure 1. Typical Application Circuit
LDO family offers a wide range of output voltages and output
current levels from 50 mA to 200 mA:
ADP3301 (100 mA)
ADP3302 (100 mA, Dual Output)
ADP3303 (200 mA)
anyCAP is a registered trademark of Analog Devices Inc.
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
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: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2000


Analog Devices Semiconductor Electronic Components Datasheet

ADP3300 Datasheet

High Accuracy anyCAP 50 mA Low Dropout Linear Regulator

No Preview Available !

ADP3300 pdf
ADP3300–SPECIFICATIONS (@ TA = –40؇C to +85؇C, VIN = 7 V, CIN = 0.47 F, COUT = 0.47 F, unless otherwise
noted)
Parameter
Symbol
Conditions
Min Typ Max
Units
OUTPUT VOLTAGE
ACCURACY
VOUT
LINE REGULATION
LOAD REGULATION
GROUND CURRENT
GROUND CURRENT
IN DROPOUT
DROPOUT VOLTAGE
VO
VIN
VO
IL
IGND
IGND
VDROP
SHUTDOWN THRESHOLD
VTHSD
VIN = VOUT(NOM) +0.3 V to 12 V
IL = 0.1 mA to 50 mA
TA = +25°C
VIN = VOUT(NOM) +0.3 V to 12 V
IL = 0.1 mA to 50 mA
VIN = VOUT(NOM) +0.3 V to 12 V
TA = +25°C
IL = 0.1 mA to 50 mA
TA = +25°C
IL = 50 mA
IL = 0.1 mA
VIN = 2.5 V
IL = 0.1 mA
VOUT = 98% of VOUT(NOM)
IL = 50 mA
IL = 10 mA
IL = 1 mA
ON
OFF
–0.8 +0.8
–1.4 +1.4
0.02
0.06
0.55 1.7
0.19 0.3
0.6 1.2
0.08 0.17
0.025 0.07
0.004 0.03
2.0 0.75
0.75 0.3
%
%
mV/V
mV/mA
mA
mA
mA
V
V
V
V
V
SHUTDOWN PIN
INPUT CURRENT
ISDIN
0 < VSD 5 V
5 < VSD 12 V @ VIN = 12 V
GROUND CURRENT IN
SHUTDOWN MODE
IQ
VSD = 0, VIN = 12 V
TA = +25°C
VSD = 0, VIN = 12 V
TA = +85°C
0.005
0.01
OUTPUT CURRENT IN
SHUTDOWN MODE
IOSD
TA = +25°C @ VIN = 12 V
TA = +85°C @ VIN = 12 V
ERROR PIN OUTPUT
LEAKAGE
IEL VEO = 5 V
ERROR PIN OUTPUT
“LOW” VOLTAGE
VEOL
ISINK = 400 µA
0.12
PEAK LOAD CURRENT
ILDPK
VIN = VOUT(NOM) + 1 V
100
OUTPUT NOISE
@ 5 V OUTPUT
VNOISE
f = 10 Hz–100 kHz
CNR = 0
CNR = 10 nF, CL = 10 µF
100
30
NOTE
Ambient temperature of +85°C corresponds to a typical junction temperature of +125°C under typical full load test conditions.
Specifications subject to change without notice.
1
22
1
3
2
4
13
0.3
µA
µA
µA
µA
µA
µA
µA
V
mA
µV rms
µV rms
–2– REV. A


Part Number ADP3300
Description High Accuracy anyCAP 50 mA Low Dropout Linear Regulator
Maker Analog Devices
Total Page 8 Pages
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