ADP1822-EVAL Analog Devices Inc, ADP1822-EVAL Datasheet - Page 12

• Manufacturer Part Number: ADP1822-EVAL
• Description: BOARD EVALUATION FOR ADP1822
• Manufacturer: Analog Devices Inc

Specifications of ADP1822-EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.8V
• Current - Output: 10A
• Voltage - Input: 9 ~ 15V
• Regulator Topology: Buck
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ADP1822
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

EVAL-ADP1822
EVALUATION BOARD SCHEMATIC AND LAYOUT
CON4
CON4
DGND
V
IN
M1
M2
BZX84C5V6
AGND
4
3
2
1
4
3
2
1
1.2kΩ
1%
R5
180µF
PWGD
SYNC
MMBT2222
D1
20V
C1
PGND
Q3
10µF
16V
1
1
C2
10kΩ
R11
1%
C13
1µF
16V
1µF
25V
DH
SW
C3
10kΩ
J1:
J2:
J3:
J4:
J1
1%
R8
OPEN = 300kHz
SHORT = 600kHz
OPEN = ENABLE
SHORT = DISABLE
OPEN = HIGH MARGIN
SHORT = LOW MARGIN
OPEN = ACTIVE VOLTAGE MARGIN
SHORT = NO MARGIN
1µF
25V
C4
R9
10kΩ
1%
J2
DH
DL
0Ω, 1%
0Ω, 1%
R14
R15
SW
J3
R17
10kΩ
5%
Figure 13. Typical Application Schematic Diagram
R10
10kΩ
1%
IRFR3711Z
LOW_S
Q1
IRFR3711Z
DGND AGND
2.2µH, 5.5mΩ
Q2
0.1µF
C15
16V
L1
Rev. 0 | Page 12 of 16
10
11
12
680µF
1
2
3
4
5
6
7
8
9
C20
1nF
16V
C5
4V
V
BST
DH
SW
SYNC
FREQ
MAR
TRKN
TRKP
SHDN
PWGD
DGND
GND
OUT
ADP1822
1
TRKN
BAT54
680µF
U1
D2
C6
4V
COMP
PGND
PVCC
MSEL
MDN
MUP
VCC
CSL
NC
DL
FB
SS
22nF
22µF
C12
16V
10V
C7
22
24
23
21
20
19
18
17
16
15
14
13
AGND
133kΩ
22µF
R12
10V
1%
C8
AGND
C14
16V
DL
1µF
10V
1µF
AGND
C9
R6
10Ω
1%
DGND
C10
1µF
10V
R16
10Ω
5%
J4
V
OUT
C16
2.2pF
16V
3kΩ
1%
R7
1
2
3
4
1
2
3
4
246kΩ
C19
18pF
R13
1%
M3
M4
82kΩ
SW
1%
R3
CON4
CON4
AGND
C17
1nF
16V
V
OUT
R1
20kΩ
1%
R2
10kΩ
1%
R4
2.7kΩ
1%
C18
1.8nF
16V