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ADP1716 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 ADP1716
기능 (ADP1715 / ADP1716) CMOS Linear Regulator
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ADP1716 데이터시트, 핀배열, 회로
FEATURES
Maximum output current: 500 mA
Input voltage range: 2.5 V to 5.5 V
Low shutdown current: <1 μA
Low dropout voltage:
250 mV @ 500 mA load
50 mV @ 100 mA load
Initial accuracy: ±1%
Accuracy over line, load, and temperature: ±3%
16 fixed output voltage options with soft start:
0.75 V to 3.3 V (ADP1715)
Adjustable output voltage option: 0.8 V to 5.0 V
(ADP1715 Adjustable)
16 fixed output voltage options with tracking:
0.75 V to 3.3 V (ADP1716)
Stable with small 2.2 μF ceramic output capacitor
Excellent load/line transient response
Current limit and thermal overload protection
Logic controlled enable
8-lead thermally enhanced MSOP package
APPLICATIONS
Notebook computers
Memory components
Telecommunications equipment
Network equipment
DSP/FPGA/μP supplies
Instrumentation equipment/data acquisition systems
GENERAL DESCRIPTION
The ADP1715/ADP1716 are low dropout, CMOS linear
regulators that operate from 2.5 V to 5.5 V and provide up to
500 mA of output current. Using an advanced proprietary
architecture, they provide high power supply rejection and
achieve excellent line and load transient response with just a
small 2.2 μF ceramic output capacitor.
Three versions of this part are available, one with fixed
output voltage options and variable soft start (ADP1715),
one with adjustable output voltage and fixed soft start
(ADP1715 Adjustable), and one with voltage tracking in
fixed output voltage options (ADP1716). The fixed output
voltage options are internally set to one of sixteen values
500 mA, Low Dropout,
CMOS Linear Regulator
ADP1715/ADP1716
TYPICAL APPLICATION CIRCUITS
VIN = 5V
2.2µF
VOUT = 3.3V
2.2µF
ADP1715
1 EN
2 IN
3 OUT
4 SS
GND 8
GND 7
GND 6
GND 5
10nF
Figure 1. ADP1715 with Fixed Output Voltage, 3.3 V
VIN = 5V
2.2µF
VOUT = 0.8(1 + R1/R2)
2.2µF
ADP1715
ADJUSTABLE
1 EN GND 8
2 IN
GND 7
3 OUT GND 6
R1 4 ADJ GND 5
R2
Figure 2. ADP1715 with Adjustable Output Voltage, 0.8 V to 5.0 V
VIN = 5V
2.2µF
VOUT
2.2µF
ADP1716
1 EN
2 IN
3 OUT
4 TRK
GND 8
GND 7
GND 6
GND 5
VTRK = 0V TO 5V
VOUT (V)
3
2
1
0 12345
VTRK (V)
Figure 3. ADP1716 with Output Voltage Tracking
between 0.75 V and 3.3 V; the adjustable output voltage can
be set to any value between 0.8 V and 5.0 V by an external
voltage divider connected from OUT to ADJ. The variable
soft start uses an external capacitor at SS to control the
output voltage ramp. Tracking limits the output voltage to
the at-or-below voltage at the TRK pin.
The ADP1715/ADP1716 are available in 8-lead thermally
enhanced MSOP packages, making them not only a very
compact solution but also providing excellent thermal
performance for applications requiring up to 500 mA of output
current in a small, low profile footprint.
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 that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.




ADP1716 pdf, 반도체, 판매, 대치품
ADP1715/ADP1716
ABSOLUTE MAXIMUM RATINGS
Table 2.
Parameter
IN to GND
OUT to GND
EN to GND
SS/ADJ/TRK to GND
Storage Temperature Range
Operating Junction Temperature Range
Soldering Conditions
Rating
–0.3 V to +6 V
–0.3 V to IN
–0.3 V to +6 V
–0.3 V to +6 V
–65°C to +150°C
–40°C to +125°C
JEDEC J-STD-020
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
THERMAL RESISTANCE
θJA is specified for the worst-case conditions, that is, a device
soldered in a circuit board for surface-mount packages.
Table 3. Thermal Resistance
Package Type
8-Lead MSOP
θJA
118
Unit
°C/W
ESD CAUTION
Rev. 0 | Page 4 of 20

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ADP1716 전자부품, 판매, 대치품
350
300
250
200
150
100
50
0
0.1 1 10 100
ILOAD (mA)
Figure 13. Dropout Voltage vs. Load Current
1000
3.35
3.30
3.25
3.20
3.15
3.10
3.05
3.00
2.95
3.2
ILOAD = 100µA
ILOAD = 10mA
ILOAD = 100mA
ILOAD = 250mA
ILOAD = 360mA
ILOAD = 500mA
3.3 3.4 3.5
VIN (V)
Figure 14. Output Voltage vs. Input Voltage (in Dropout)
3.6
700
ILOAD =
600 500mA
500
400
300
200
ILOAD =
100 100µA
ILOAD =
100mA
ILOAD =
10mA
ILOAD =
360mA
ILOAD =
250mA
0
3.20 3.25 3.30 3.35 3.40 3.45 3.50 3.55 3.60
VIN (V)
Figure 15. Ground Current vs. Input Voltage (in Dropout)
ADP1715/ADP1716
1 SWITCH SIGNAL TO CHANGE
OUTPUT LOAD FROM 25mA TO 475mA
VOUT
2
VIN = 5V
VOUT = 3.3V
CIN = 2.2µF
COUT = 2.2µF
TIME (10µs/DIV)
Figure 16. Load Transient Response
1 SWITCH SIGNAL TO CHANGE
OUTPUT LOAD FROM 25mA TO 475mA
VOUT
2
VIN = 5V
VOUT = 3.3V
CIN = 22µF
COUT = 22µF
TIME (10µs/DIV)
Figure 17. Load Transient Response
VIN STEP FROM 4V TO 5V
1
VOUT
2
VIN = 5V
VOUT = 3.3V
CIN = 2.2µF
COUT = 2.2µF
ILOAD = 500mA
TIME (100µs/DIV)
Figure 18. Line Transient Response
Rev. 0 | Page 7 of 20

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