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ADP2105ACPZ-R7 数据表(PDF) 29 Page - Analog Devices

部件名 ADP2105ACPZ-R7
功能描述  1 Amp/1.5 Amp/2 Amp Synchronous, Step-Down DC-to-DC Converters
PDF  32 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP2105ACPZ-R7 数据表(HTML) 29 Page - Analog Devices

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ADP2105/ADP2106/ADP2107
Rev. 0 | Page 29 of 32
APPLICATION CIRCUITS
ADP2107-3.3
OFF
EN
SS
LX2
AGND
OUTPUT VOLTAGE = 3.3V
COMP
ON
PGND
GND
GND
GND
NC
LX1
PWIN2
VIN
VIN INPUT VOLTAGE = 5V
10μF1
VOUT
VOUT
1nF
70kΩ
120pF
1
2
3
4
12
11
10
9
16
15
14
13
5
6
7
8
2.5μH2
4.7μF1
LOAD
0A TO 2A
10μF1
10μF1
10Ω
0.1μF
1 MURATA X5R 0805
10μF: GRM21BR61A106KE19L
4.7μF: GRM21BR61A475KA73L
2 SUMIDA CDRH5D28: 2.5μH
NOTES
1. NC = NO CONNECT.
2. EXTERNAL COMPONENTS WERE
CHOSEN FOR A 10% OVERSHOOT
FORA1A LOADTRANSIENT.
OUT_SENSE
PWIN1
IN
GND
Figure 54. Application Circuit—VIN = 5 V, VOUT = 3.3 V, LOAD = 0 A to 2 A
ADP2107-1.5
OFF
EN
SS
LX2
AGND
OUTPUT VOLTAGE = 1.5V
COMP
ON
PGND
GND
GND
GND
NC
LX1
PWIN2
VIN
VIN INPUT VOLTAGE = 3.6V
22μF1
VOUT
VOUT
1nF
140kΩ
68pF
1
2
3
4
12
11
10
9
16
15
14
13
5
6
7
8
1.5μH2
22μF1
LOAD
0A TO 2A
10μF1
10μF1
10Ω
0.1μF
1 MURATA X5R 0805
10μF: GRM21BR61A106KE19L
22μF: GRM21BR60J226ME39L
2 TOKO D62LCB OR COILCRAFT LPS4012
NOTES
1. NC = NO CONNECT.
2. EXTERNAL COMPONENTS WERE
CHOSEN FOR A 5% OVERSHOOT
FORA1A LOADTRANSIENT.
OUT_SENSE
PWIN1
IN
GND
Figure 55. Application Circuit—VIN = 3.6 V, VOUT = 1.5 V, LOAD = 0 A to 2 A
ADP2105-1.8
OFF
EN
SS
LX2
AGND
OUTPUT VOLTAGE = 1.8V
COMP
ON
PGND
GND
GND
GND
NC
LX1
PWIN2
VIN
VIN INPUT VOLTAGE = 2.7V TO 4.2V
22μF1
VOUT
VOUT
1nF
270kΩ
39pF
1
2
3
4
12
11
10
9
16
15
14
13
5
6
7
8
2.7μH2
22μF1
LOAD
0A TO 1A
4.7μF1
4.7μF1
10Ω
0.1μF
1 MURATA X5R 0805
4.7μF: GRM21BR61A475KA73L
22μF: GRM21BR60J226ME39L
2 TOKO 1098AS-DE2812: 2.7μH
NOTES
1. NC = NO CONNECT.
2. EXTERNAL COMPONENTS WERE
CHOSEN FOR A 5% OVERSHOOT
FORA1A LOADTRANSIENT.
OUT_SENSE
PWIN1
IN
GND
Figure 56. Application Circuit—VIN = Li-Ion Battery, VOUT = 1.8 V, LOAD = 0 A to 1 A



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