ADP2303ARDZ-R7 Analog Devices Inc, ADP2303ARDZ-R7 Datasheet - Page 21
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ADP2303ARDZ-R7
Manufacturer Part Number
ADP2303ARDZ-R7
Description
IC REG SW STPDWN NONSYNCH 8SOIC
Manufacturer
Analog Devices Inc
Type
Step-Down (Buck), PFM/PWM - Current Moder
Datasheet
1.ADP2302ARDZ-2.5-R7.pdf
(28 pages)
Specifications of ADP2303ARDZ-R7
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
Adj to 0.8V
Current - Output
3A
Frequency - Switching
700kHz
Voltage - Input
3 V ~ 20 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (0.154", 3.90mm Width) Exposed Pad
Primary Input Voltage
20V
No. Of Outputs
1
Output Current
3A
No. Of Pins
8
Operating Temperature Range
-40°C To +125°C
Msl
MSL 3 - 168 Hours
Peak Reflow Compatible (260 C)
Yes
Leaded Process Compatible
Yes
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ADP2303ARDZ-R7
ADP2303ARDZ-R7TR
ADP2303ARDZ-R7TR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADP2303ARDZ-R7
Manufacturer:
AD
Quantity:
1 450
Table 11. Recommended External Components for Typical Applications at 2 A/3 A Output Load
Part Number
ADP2302
ADP2303
V
IN
V
18
18
12
12
12
12
12
5
5
5
18
18
12
12
12
12
12
5
5
5
= 12V
IN
(V)
10µF
25V
C
IN
10.2kΩ
V
3.3
5.0
1.5
1.8
2.5
3.3
5.0
1.5
1.8
2.5
3.3
5.0
1.5
1.8
2.5
3.3
5.0
1.5
1.8
2.5
56kΩ
R
R
OUT
EN1
EN2
1%
1%
(V)
R
PGOOD
100kΩ
I
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
LOAD(max)
Figure 51. Schematic for the Design Example
VIN
PGOOD
EN
(A)
ADP2303
GND
Rev. 0 | Page 21 of 28
L (μH)
6.8
10
4.7
4.7
4.7
6.8
6.8
3.3
3.3
3.3
4.7
6.8
2.5
3.3
3.3
4.7
4.7
2.2
2.2
2.2
BST
SW
FB
C
0.1µF
D
SSB43L
C
2 × 22 μF
2 × 22 μF
2 × 47 μF
3 × 22 μF
3 × 22 μF
2 × 22 μF
2 × 22 μF
2 × 47 μF
2 × 47 μF
2 × 22 μF
2 × 47 μF
47 μF
3 × 47 μF
3 × 47 μF
2 × 47 μF
2 × 47 μF
47 μF
3 × 47 μF
3 × 47 μF
3 × 47 μF
BST
OUT
4.7µH
L
C
47µF
6.3V
OUT1
R
31.6
52.3
10
12.7
21.5
31.6
52.3
10
12.7
21.5
31.6
52.3
10
12.7
21.5
31.6
52.3
10
12.7
21.5
TOP
C
47µF
6.3V
(kΩ), ±1%
OUT2
V
ADP2302/ADP2303
R
31.6kΩ
1%
R
10.2kΩ
1%
OUT
TOP
BOT
3A
= 3.3V
R
10.2
10
11.3
10.2
10.2
10.2
10
11.3
10.2
10.2
10.2
10
11.3
10.2
10.2
10.2
10
11.3
10.2
10.2
BOT
(kΩ), ±1%