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ADP220 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 ADP220은 전자 산업 및 응용 분야에서
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부품번호 ADP220 기능
기능 High PSRR Voltage Regulator
제조업체 Analog Devices
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ADP220 데이터시트, 핀배열, 회로
Data Sheet
FEATURES
Input voltage range: 2.5 V to 5.5 V
Dual independent 200 mA low dropout voltage regulators
Miniature 6-ball, 1.0 mm × 1.5 mm WLCSP and 6-ball
bumped bare die
Initial accuracy: ±1%
Stable with 1 µF ceramic output capacitors
No noise bypass capacitor required
Two independent logic controlled enables
Overcurrent and thermal protection
Active output pull-down (ADP221)
Key specifications
High PSRR
76 dB PSRR up to 1 kHz
70 dB PSRR at 10 kHz
60 dB PSRR at 100 kHz
40 dB PSRR at 1 MHz
Low output noise
27 µV rms typical output noise at VOUT = 1.2 V
50 µV rms typical output noise at VOUT = 2.8 V
Excellent transient response
Low dropout voltage: 150 mV @ 200 mA load
60 µA typical ground current at no load, both LDOs enabled
100 µs fast turn-on circuit
Guaranteed 200 mA output current per regulator
−40°C to +125°C junction temperature
APPLICATIONS
Mobile phones
Digital cameras and audio devices
Portable and battery-powered equipment
Portable medical devices
Post dc-to-dc regulation
GENERAL DESCRIPTION
The 200 mA dual output ADP220/ADP221 combine high PSRR,
low noise, low quiescent current, and low dropout voltage in a
voltage regulator ideally suited for wireless applications with
demanding performance and board space requirements.
The low quiescent current, low dropout voltage, and wide input
voltage range of the ADP220/ADP221 extend the battery life of
portable devices. The ADP220/ADP221 maintain power supply
rejection greater than 60 dB for frequencies as high as 100 kHz
while operating with a low headroom voltage. The ADP220
offers much lower noise performance than competing LDOs
Dual, 200 mA, Low Noise,
High PSRR Voltage Regulator
ADP220/ADP221
TYPICAL APPLICATION CIRCUITS
12
ON
OFF
A
EN1
VOUT1
VOUT1 = 2.8V
1µF
B
ON
OFF
C
GND
VIN
TOP VIEW
(Not to Scale)
EN2 VOUT2
VIN = 3.3V
1µF
VOUT2 = 2.8V
1µF
Figure 1. Typical Application Circuit
VIN
THERMAL
SHUTDOWN
CURRENT
LIMIT
VOUT1
60Ω
EN1 CONTROL
LOGIC
AND
EN2 ENABLE
REFERENCE
ADP221
ONLY
ADP220
GND
CURRENT
LIMIT
60Ω
VOUT2
Figure 2. Block Diagram of the ADP220/ADP221
without the need for a noise bypass capacitor. The ADP221 also
includes an active pull-down to quickly discharge output loads.
The ADP220/ADP221 are available in a miniature 6-ball
WLCSP package and 6-ball bumped bare die and is stable with
tiny 1 µF ± 30% ceramic output capacitors, resulting in the smallest
possible board area for a wide variety of portable power needs.
The ADP220/ADP221 are available in many output voltage
combinations, ranging from 0.8 V to 3.3 V, and offer overcur-
rent and thermal protection to prevent damage in adverse
conditions.
Rev. H
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor 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 ©2008–2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com




ADP220 pdf, 반도체, 판매, 대치품
ADP220/ADP221
Data Sheet
Parameter
POWER SUPPLY REJECTION RATIO
Symbol
PSRR
Conditions
VIN = 2.5 V, VOUT = 0.8 V, IOUT = 100 mA
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
VIN = 3.8 V, VOUT = 2.8 V, IOUT = 100 mA
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
Min Typ Max Unit
76 dB
76 dB
70 dB
60 dB
40 dB
68 dB
68 dB
68 dB
60 dB
40 dB
1 Based on an end-point calculation using 1 mA and 200 mA loads.
2 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.
3 Start-up time is defined as the time between the rising edge of ENx to VOUTx being at 90% of its nominal value.
4 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 3.0 V
output voltage is defined as the current that causes the output voltage to drop to 90% of 3.0 V, or 2.7 V.
INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS
Table 2.
Parameter
MINIMUM INPUT AND OUTPUT CAPACITANCE1
CAPACITOR ESR
Symbol
CMIN
RESR
Conditions
TA = −40°C to +125°C
TA = −40°C to +125°C
Min Typ Max Unit
0.70 µF
0.001
1 The minimum input and output capacitance should be greater than 0.70 µF over the full range of operating conditions. The full range of operating conditions in the
application must be considered during device selection to ensure that the minimum capacitance specification is met. X7R and X5R type capacitors are recommended;
Y5V and Z5U capacitors are not recommended for use with LDOs.
Rev. H | Page 4 of 20

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ADP220 전자부품, 판매, 대치품
Data Sheet
ADP220/ADP221
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 3.3 V, VOUT1 = VOUT2 = 2.8 V, IOUT = 10 mA, CIN = COUT1 = COUT2 = 1 µF, TA = 25°C, unless otherwise noted.
2.85
2.83
2.81
ILOAD = 10µA
ILOAD = 100µA
ILOAD = 1mA
ILOAD = 10mA
ILOAD = 100mA
ILOAD = 200mA
2.79
2.77
2.75
–40 –5 25 85 125
JUNCTION TEMPERATURE (°C)
Figure 4. Output Voltage vs. Junction Temperature
140
120
100
80
60
ILOAD = 10µA
40 ILOAD = 100µA
ILOAD = 1mA
ILOAD = 10mA
20 ILOAD = 100mA
ILOAD = 200mA
0
–40 –5 25 85 125
JUNCTION TEMPERATURE (°C)
Figure 7. Ground Current vs. Junction Temperature, Single Output Loaded
2.85
2.83
VOUT = 2.8V
VIN = 3.3V
TA = 25°C
2.81
2.79
2.77
2.75
0.01
0.1 1 10 100
LOAD CURRENT (mA)
Figure 5. Output Voltage vs. Load Current
1k
2.85
2.83
VOUT = 2.8V
TA = 25°C
2.81
ILOAD = 10µA
ILOAD = 100µA
ILOAD = 1mA
ILOAD = 10mA
ILOAD = 100mA
ILOAD = 200mA
2.79
2.77
2.75
3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
INPUT VOLTAGE (V)
Figure 6. Output Voltage vs. Input Voltage
120
VOUT = 2.8V
100
VIN = 3.3V
TA = 25°C
80
60
40
20
0
0.01 0.1 1 10 100 1k
LOAD CURRENT (mA)
Figure 8. Ground Current vs. Load Current, Single Output Loaded
120
100
80
60
40
ILOAD = 10µA
ILOAD = 100µA
ILOAD = 1mA
20
ILOAD = 10mA
ILOAD = 100mA
ILOAD = 200mA
0
3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.3 5.5
INPUT VOLTAGE (V)
Figure 9. Ground Current vs. Input Voltage, Single Output Loaded
Rev. H | Page 7 of 20

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