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ADP1712 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 ADP1712은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 ADP1712 자료 제공

부품번호 ADP1712 기능
기능 CMOS Linear Regulator
제조업체 Analog Devices
로고 Analog Devices 로고


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ADP1712 데이터시트, 핀배열, 회로
FEATURES
Maximum output current: 300 mA
Input voltage range: 2.5 V to 5.5 V
Light load efficient
IGND = 75 μA with 100 μA load
Low shutdown current: <1 μA
Very low dropout voltage: 170 mV @ 300 mA load
www.DataSheeItn4iUti.acol amccuracy: ±1%
Accuracy over line, load, and temperature: ±2%
16 fixed output voltage options with soft start:
0.75 V to 3.3 V (ADP1712)
Adjustable output voltage option: 0.8 V to 5.0 V
(ADP1712 Adjustable)
16 fixed output voltage options with reference bypass:
0.75 V to 3.3 V (ADP1713)
16 fixed output voltage options with tracking:
0.75 V to 3.3 V (ADP1714)
Low output noise: 40 μV rms
High PSRR: 72 dB @ 1 kHz
Stable with small 2.2 μF ceramic output capacitor
Excellent load/line transient response
Current limit and thermal overload protection
Logic controlled enable
5-lead TSOT package
APPLICATIONS
Mobile phones
Digital camera and audio devices
Portable and battery-powered equipment
Post dc-dc regulation
GENERAL DESCRIPTION
The ADP1712/ADP1713/ADP1714, available in a tiny, 5-lead
TSOT package, are low dropout linear regulators that operate
from 2.5 V to 5.5 V and provide up to 300 mA of output current.
The low 170 mV dropout voltage at a 300 mA load improves
efficiency and allows operation over a wide input voltage range.
Using a novel scaling architecture, ground current is a very low
75 μA when driving a 100 μA load, making the ADP1712/
ADP1713/ADP1714 ideal for battery-operated portable equipment.
The ADP1712/ADP1713/ADP1714 are available in 16 fixed
output voltage options. The ADP1712 is also available in an
adjustable version, which allows output voltages that range from
0.8 V to 5 V via an external divider. The ADP1712 fixed version
allows an external capacitor to be connected to program the
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.
300 mA, Low Dropout
CMOS Linear Regulator
ADP1712/ADP1713/ADP1714
TYPICAL APPLICATION CIRCUITS
VIN = 5V
2.2µF
ADP1712
1 IN
VOUT = 3.3V
OUT 5
2 GND
2.2µF
3 EN
10nF
SS 4
Figure 1. ADP1712 with Fixed Output Voltage and Soft-Start Capacitor, 3.3 V
VIN = 5.5V
2.2µF
ADP1712
ADJUSTABLE
1 IN
OUT
VOUT = 0.8V(1 + R1/R2)
5
2 GND
3 EN
ADJ 4
2.2µF
R1
R2
Figure 2. ADP1712 with Adjustable Output Voltage, 0.8 V to 5.0 V
VIN = 3V
2.2µF
ADP1713
1 IN
VOUT = 0.75V
OUT 5
2 GND
3 EN
10nF
BYP 4
2.2µF
Figure 3. ADP1713 with Fixed Output Voltage and Bypass Capacitor, 0.75 V
VIN = 3V
2.2µF
ADP1714
1 IN
OUT 5
2 GND
VOUT VOUT (V)
2.2µF
3
2
3 EN
TRK 4
0V TO 5V
1
0 12345
VTRK (V)
Figure 4. ADP1714 with Output Voltage Tracking
soft-start time. The ADP1713 allows a reference bypass capacitor
to be connected, which reduces output voltage noise and
improves power supply rejection. The ADP1714 includes a
tracking feature, which allows the output to follow an external
voltage rail or reference.
The ADP1712/ADP1713/ADP1714 are optimized for stable
operation with small 2.2 μF ceramic output capacitors, allowing
good transient performance while occupying minimal board
space. An enable pin controls the output voltage on all devices,
and an undervoltage lockout circuit disables the regulator if IN
drops below a minimum threshold. The parts also have short
circuit protection and thermal overload protection, which
prevent damage to the devices in adverse conditions.
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
©2007 Analog Devices, Inc. All rights reserved.




ADP1712 pdf, 반도체, 판매, 대치품
ADP1712/ADP1713/ADP1714
Parameter
EN INPUT LOGIC HIGH
EN INPUT LOGIC LOW
EN INPUT LEAKAGE CURRENT
ADJ INPUT BIAS CURRENT
(ADP1712 ADJUSTABLE)
OUTPUT NOISE
ADP1713
ADP1712 and ADP1714
POWER SUPPLY REJECTION RATIO
ADP1713
www.DataSheet4U.com
ADP1712 and ADP1714
Symbol
VIH
VIL
VI-LEAKAGE
ADJI-BIAS
OUTNOISE
PSRR
Conditions
2.5 V ≤ VIN ≤ 5.5 V
2.5 V ≤ VIN ≤ 5.5 V
EN = IN or GND
10 Hz to 100 kHz, VIN = 5.0 V, VOUT = 0.75 V,
with 10 nF bypass capacitor
10 Hz to 100 kHz, VIN = 5.0 V, VOUT = 3.3 V
1 kHz, VIN = 5.0 V, VOUT = 0.75 V, with 10 nF
bypass capacitor
1 kHz, VIN = 5.0 V, VOUT = 3.3 V
Min Typ Max Unit
1.8 V
0.4 V
0.1 1
μA
30 100 nA
40 μV rms
380 μV rms
72 dB
65 dB
1 Accuracy when OUT is connected directly to ADJ. When OUT voltage is set by external feedback resistors, absolute accuracy in adjust mode depends on the tolerances
of resistors used.
2 Based on an end-point calculation using 10 mA and 300 mA loads. See Figure 10 for typical load regulation performance for loads less than 10 mA.
3 Dropout voltage is defined as the input-to-output voltage differential when the input voltage is set to the nominal output voltage. This applies only for output
voltages above 2.5 V.
4 Start-up time is defined as the time between the rising edge of EN to OUT being at 95% of its nominal value.
5 Current limit threshold is defined as the current at which the output voltage drops to 90% of the specified typical value. For example, the current limit for a 1.0 V
output voltage is defined as the current that causes the output voltage to drop to 90% of 1.0 V, or 0.9 V.
Rev. 0 | Page 4 of 16

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ADP1712 전자부품, 판매, 대치품
ADP1712/ADP1713/ADP1714
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 3.8 V, IOUT = 10 mA, CIN = COUT = 2.2 μF, TA = 25°C, unless otherwise noted.
3.32 450
400
3.31
350
3.30 300
ILOAD = 300mA
ILOAD = 200mA
3.29
250
ILOAD = 100mA
200
3.28
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3.27
ILOAD = 100µA
ILOAD = 1mA
ILOAD = 10mA
ILOAD = 100mA
ILOAD = 200mA
ILOAD = 300mA
3.26
–40 10
60 110
TJ (°C)
Figure 9. Output Voltage vs. Junction Temperature
150 ILOAD = 10mA
100 ILOAD = 1mA
50 ILOAD = 100µA
0
–40 10
60 110
TJ (°C)
Figure 12. Ground Current vs. Junction Temperature
3.304
400
3.302
3.300
3.298
3.296
3.294
3.292
350
300
250
200
150
100
50
3.290
0.1
1 10 100
ILOAD (mA)
Figure 10. Output Voltage vs. Load Current
3.305
1000
3.300
3.295
3.290
3.285
3.280
3.3
ILOAD = 100µA
ILOAD = 1mA
ILOAD = 10mA
ILOAD = 100mA
ILOAD = 200mA
ILOAD = 300mA
3.8 4.3 4.8
VIN (V)
Figure 11. Output Voltage vs. Input Voltage
5.3
0
0.1 1 10 100
ILOAD (mA)
Figure 13. Ground Current vs. Load Current
1000
500
450
400
350 ILOAD = 300mA
300 ILOAD = 200mA
250
ILOAD = 100mA
200
150
ILOAD = 10mA
ILOAD = 1mA
100
50 ILOAD = 100µA
0
3.3 3.8 4.3 4.8
VIN (V)
Figure 14. Ground Current vs. Input Voltage
5.3
Rev. 0 | Page 7 of 16

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