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ADP2105ACPZ-R7 Datasheet(PDF) 30 Page - Analog Devices

Part # ADP2105ACPZ-R7
Description  1 Amp/1.5 Amp/2 Amp Synchronous, Step-Down DC-to-DC Converters
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP2105ACPZ-R7 Datasheet(HTML) 30 Page - Analog Devices

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ADP2105/ADP2106/ADP2107
Rev. 0 | Page 30 of 32
ADP2105-1.2
OFF
EN
SS
LX2
AGND
OUTPUT VOLTAGE = 1.2V
COMP
ON
PGND
GND
GND
GND
NC
LX1
PWIN2
VIN
VIN INPUT VOLTAGE = 2.7V TO 4.2V
22μF1
VOUT
VOUT
1nF
135kΩ
82pF
1
2
3
4
12
11
10
9
16
15
14
13
5
6
7
8
2.4μH2
4.7μF1
LOAD
0A TO 1A
4.7μF1
4.7μF1
10Ω
0.1μF
1 MURATA X5R 0805
4.7μF: GRM21BR61A475KA73L
22μF: GRM21BR60J226ME39L
2 TOKO 1069AS-DB3018HCT OR
TOKO 1070AS-DB3020HCT
NOTES
1. NC = NO CONNECT.
2. EXTERNAL COMPONENTS WERE
CHOSEN FOR A 10% OVERSHOOT
FOR A 1A LOAD TRANSIENT.
OUT_SENSE
PWIN1
IN
GND
Figure 57. Application Circuit—VIN = Li-Ion Battery, VOUT = 1.2 V, LOAD = 0 A to 1 A
ADP2106-ADJ
OFF
EN
SS
LX2
FB
PWIN1
AGND
OUTPUT VOLTAGE = 2.5V
COMP
ON
PGND
IN
GND
GND
GND
NC
GND
LX1
PWIN2
VIN
VIN INPUT VOLTAGE = 5V
FB
1nF
180kΩ
56pF
1
2
3
4
12
11
10
9
16
15
14
13
5
6
7
8
2.5μH2
10μF1 22μF1
LOAD
0A TO 1.5A
4.7μF1
10μF1
10Ω
0.1μF
1 MURATA X5R 0805
4.7μF: GRM21BR61A475KA73L
10μF: GRM21BR61A106KE19L
22μF: GRM21BR60J226ME39L
2 COILTRONICS SD14: 2.5μH
NOTES
1. NC = NO CONNECT.
2. EXTERNAL COMPONENTS WERE
CHOSEN FOR A 5% OVERSHOOT
FOR A 1A LOAD TRANSIENT.
85kΩ
40kΩ
FB
Figure 58. Application Circuit—VIN = 5 V, VOUT = 2.5 V, LOAD = 0 A to 1.5 A



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