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ADP2164 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 ADP2164은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 ADP2164 기능
기능 Step-Down DC-to-DC Regulator
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ADP2164 데이터시트, 핀배열, 회로
www.DataSheet.co.kr
Data Sheet
FEATURES
4 A continuous output current
43 mΩ and 29 mΩ integrated FET
±1.5% output accuracy
Input voltage range: 2.7 V to 6.5 V
Output voltage: 0.6 V to VIN
Switching frequency
Fixed frequency: 600 kHz or 1.2 MHz
Adjustable frequency: 500 kHz to 1.4 MHz
Synchronizable from 500 kHz to 1.4 MHz
Selectable synchronize phase shift: 0° or 180°
Current mode architecture
Precision enable input
Power-good output
Voltage tracking input
Integrated soft start
Internal compensation
Starts up into a precharged output
UVLO, OVP, OCP, and thermal shutdown
Available in 16-lead, 4 mm × 4 mm LFCSP package
APPLICATIONS
Point-of-load conversion
Communications and networking equipment
Industrial and instrumentation
Consumer electronics
GENERAL DESCRIPTION
The ADP2164 is a 4 A, synchronous, step-down dc-to-dc regulator
in a compact 4 mm × 4 mm LFCSP package. The regulator uses a
current mode, constant frequency pulse-width modulation (PWM)
control scheme for excellent stability and transient response.
The input voltage range of the ADP2164 is 2.7 V to 6.5 V. The
output voltage of the ADP2164 is adjustable from 0.6 V to the
input voltage (VIN). The ADP2164 is also available in six preset
output voltage options: 3.3 V, 2.5 V, 1.8 V, 1.5 V, 1.2 V, and 1.0 V.
6.5 V, 4 A, High Efficiency,
Step-Down DC-to-DC Regulator
ADP2164
TYPICAL APPLICATIONS CIRCUIT
R1
R2 C1
VIN
CIN
PGOOD VIN
PVIN
EN SW
SYNC ADP2164 FB
TRK
PGND
RT
RT
GND
L
VOUT
COUT
Figure 1.
100
95
90
85
80
75
70
65
60
55
50
0
VIN = 5V
fS = 600kHz
VOUT = 1.2V
VOUT = 3.3V
0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT CURRENT (A)
Figure 2. Efficiency vs. Output Current
3.5
4.0
The ADP2164 integrates a pair of low on-resistance P-channel
and N-channel internal MOSFETs to maximize efficiency and
minimize external component count. The 100% duty cycle
operation allows low dropout voltage at 4 A output current.
The high, 1.2 MHz PWM switching frequency allows the use of
small external components, and the SYNC input enables multiple
ICs to synchronize out of phase to reduce ripple and eliminate
beat frequencies.
Other key features of the ADP2164 include undervoltage lockout
(UVLO), integrated soft start to limit inrush current at startup,
overvoltage protection (OVP), overcurrent protection (OCP),
and thermal shutdown.
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
©2011 Analog Devices, Inc. All rights reserved.
Datasheet pdf - http://www.DataSheet4U.net/




ADP2164 pdf, 반도체, 판매, 대치품
www.DataSheet.co.kr
ADP2164
Parameter
INTEGRATED SOFT START
Soft Start Time
EN PIN
EN Input Rising Threshold
EN Input Hysteresis
EN Pull-Down Resistor
THERMAL SHUTDOWN
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
1 Pin-to-pin measurements.
2 Guaranteed by design.
Data Sheet
Symbol Test Conditions/Comments
Min
Typ
Max Unit
All switching frequencies
2048
Clock
cycles
1.12 1.2
1.28 V
100 mV
1 MΩ
TJ increasing
140 °C
15 °C
Rev. 0 | Page 4 of 20
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ADP2164 전자부품, 판매, 대치품
www.DataSheet.co.kr
Data Sheet
ADP2164
TYPICAL PERFORMANCE CHARACTERISTICS
TJ = 25°C, VIN = 5 V, VOUT = 1.2 V, L = 1 μH, CIN = 47 μF, COUT = 100 μF, unless otherwise noted.
100 100
90 90
80 80
70 70
60
50
40
INDUCTOR: COILCRAFT
MSS1038-152NLB
30
01 2
OUTPUT CURRENT (A)
VOUT = 0.6V
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
34
Figure 4. Efficiency vs. Output Current, VIN = 3.3 V, fS = 600 kHz
60
50
40
INDUCTOR: COILCRAFT
MSS1038-152NLB
30
01
2
OUTPUT CURRENT (A)
VOUT = 0.6V
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
34
Figure 7. Efficiency vs. Output Current, VIN = 5 V, fS = 600 kHz
100
90
80
70
60
50
40
INDUCTOR: COILCRAFT
MSS1038-102NLB
30
01 2
OUTPUT CURRENT (A)
VOUT = 0.6V
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
34
Figure 5. Efficiency vs. Output Current, VIN = 3.3 V, fS = 1.2 MHz
100
90
80
70
60
50
40
INDUCTOR: COILCRAFT
MSS1038-102NLB
30
01 2
OUTPUT CURRENT (A)
VOUT = 1.0V
VOUT = 1.2V
VOUT = 1.8V
VOUT = 2.5V
VOUT = 3.3V
34
Figure 8. Efficiency vs. Output Current, VIN = 5 V, fS = 1.2 MHz
1050
1000
950
900
850
800
TJ = –40°C
TJ = +25°C
TJ = +125°C
750
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 5.9 6.3
VIN (V)
Figure 6. Quiescent Current vs. VIN (No Switching)
11
10
9
8
7
6
TJ = –40°C
5 TJ = +25°C
TJ = +125°C
4
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 5.9 6.3
VIN (V)
Figure 9. Shutdown Current vs. VIN
Rev. 0 | Page 7 of 20
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