ADP3307ART-33 Datasheet PDF - Analog Devices
| Part Number | ADP3307ART-33 | |
| Description | High Accuracy anyCAP 100 mA Low Dropout Linear Regulator | |
| Manufacturers | Analog Devices | |
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a
High Accuracy anyCAP™
100 mA Low Dropout Linear Regulator
ADP3307
FEATURES
0.8% Accuracy Over Line and Load Regulations @ +25؇C
Ultralow Dropout Voltage: 120 mV Typical @ 100 mA
Requires only CO = 0.47 F for Stability
anyCAP = Stable with All Types of Output Capacitors
(Including MLCC)
Current and Thermal Limiting
Low Noise
Dropout Detector
Low Shutdown Current: 1 A
3.0 V to 12 V Supply Range
–20؇C to +85؇C Ambient Temperature Range
Several Fixed Voltage Options
Ultrasmall SOT-23-6 (RT-6) Package
Excellent Line and Load Regulations
APPLICATIONS
Cellular Telephones
Notebook, Palmtop Computers
Battery Powered Systems
PCMCIA Regulator
Bar Code Scanners
Camcorders, Cameras
FUNCTIONAL BLOCK DIAGRAM
IN Q1
ERR
Q2
SD
THERMAL
PROTECTION
CC
DRIVER
ADP3307
OUT
R1
GM
BANDGAP
REF
NR
R2
GND
VIN
C1 +
0.47F –
NR
ADP3307-3.3
IN OUT
ERR
R1
330k⍀
EOUT
VOUT = +3.3V
C2
0.47F
ON
OFF
SD GND
Figure 1. Typical Application Circuit
GENERAL DESCRIPTION
The ADP3307 is a member of the ADP330x family of precision
low dropout anyCAP voltage regulators. The ADP3307 stands
out from the 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 type
of capacitor regardless of its ESR (Equivalent Series Resistance)
value, including ceramic types (MLCC) for space restricted
applications. The ADP3307 achieves exceptional accuracy of
± 0.8% at room temperature and ± 1.4% overall accuracy over
temperature, line and load regulations. The dropout voltage of
the ADP3307 is only 120 mV (typical) at 100 mA.
The ADP3307 operates with a wide input voltage range from
3.0 V to 12 V and delivers a load current in excess of 100 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
LDO family offers a wide range of output voltages and output
current levels from 50 mA to 300 mA:
ADP3300 (50 mA, SOT-6)
ADP3307 (100 mA, SOT)
ADP3301 (100 mA, SO-8)
ADP3302 (100 mA, Dual Output)
ADP3303 (200 mA)
ADP3306 (300 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: 781/329-4700 World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1997
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3.220
3.210
3.200
3.190
3.180
7.5
7.0
VOUT = 3.2V
VIN
RL = 32⍀
CL = 0.47F
0 40 80 120 160 200 240 280 320 360 400
TIME – s
Figure 11. Line Transient Response
3.220
3.210
3.200
3.190
3.180
VOUT = 3.2V
RL = 3.2k⍀
CL = 0.47F
VIN
7.5
7.0
0 20 40 60 80 100 120 140 160 180 200
TIME – s
Figure 12. Line Transient Response
ADP3307
3.220
3.210
VOUT = 3.2V
CL = 0.47F
3.200
3.190
3.180
100
10
0 100 200 300 400
TIME – s
Figure 13. Load Transient
500
3.220
3.210
VOUT = 3.2V
CL = 4.7F
3.200
3.190
3.180
100
10
0 100 200 300 400
TIME – s
Figure 14. Load Transient
500
300
200 IOUT
100
0
4
VOUT = 3.2V
2
VOUT
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
TIME – sec
Figure 15. Short Circuit Current
4
CL = 0.47F
3
2
1
0
3
0
VOUT
3.2V
CL = 4.7F
VOUT = 3.2V
RL = 32⍀
VSD
3V
0 20 40 60 80 100
TIME – s
Figure 16. Turn On
4
3.2V
3
2
1
0
3
0
VOUT = 3.2V
RL = 32⍀
CL = 0.47F
VSD
0 10 20 30 40
TIME – s
Figure 17. Turn Off
50
0
–10
a. 0.47F, RL = 33k⍀
b. 0.47F, RL = 33⍀
–20 c. 10F, RL = 33k⍀
d. 10F, RL = 33⍀
–30
–40
VOUT = 3.3V
b
–50
–60
–70 b d
–80
ad
c
–90
ac
–100
10 100
1k 10k 100k
FREQUENCY – Hz
1M 10M
Figure 18. Power Supply Ripple
Rejection
10
VOUT = 5V, CL = 0.47F
IL = 1mA, CNR = 0
1
0.47F BYPASS
PIN 5 TO PIN 1
VOUT = 3.3V, CL = 0.47F
IL = 1mA, CNR = 0
0.1 VOUT = 2.7– 5.0V, CL = 0.47F
IL = 1mA, CNR = 10nF
0.01
100
VOUT = 2.7– 5.0V, CL = 4.7F
IL = 1mA, CNR = 10nF
1k 10k
FREQUENCY – Hz
100k
Figure 19. Output Noise Density
REV. 0
–5–
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ADP3307ART-33 electronic component. |
| Information | Total 8 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ ADP3307ART-33.PDF Datasheet ] | |
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