ADP1871ACPZ-1.0-R7 Analog Devices Inc, ADP1871ACPZ-1.0-R7 Datasheet - Page 39

• Manufacturer Part Number: ADP1871ACPZ-1.0-R7
• Description: 1.0MHz, Light Load Eff Enabled
• Manufacturer: Analog Devices Inc

Specifications of ADP1871ACPZ-1.0-R7

• Frequency - Max: 1MHz
• Pwm Type: Current Mode
• Number Of Outputs: 1
• Duty Cycle: 45%
• Voltage - Supply: 2.95 V ~ 20 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 10-WFDFN, CSP Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ADP1871ACPZ-1.0-R7; ADP1871ACPZ-1.0-R7TR

TYPICAL APPLICATIONS CIRCUITS
15 A, 300 kHz HIGH CURRENT APPLICATION CIRCUIT
5.5 V INPUT, 600 kHz APPLICATION CIRCUIT
V
V
57pF
57pF
OUT
OUT
C
C
F
0.1µF
F
0.1µF
R1 30kΩ
R1 30kΩ
C2
C2
15kΩ
15kΩ
C
571pF
R
47kΩ
C
571pF
R
47kΩ
R2
R2
1µF
1µF
C
C
C
C
C1
C1
Figure 93. Application Circuit for 5.5 V Input, 2.5 V Output, 15 A, 600 kHz (Q2/Q4 No Connect)
Figure 92. Application Circuit for 12 V Input, 1.8 V Output, 15 A, 300 kHz (Q2/Q4 No Connect)
JP3
JP3
1
2
3
4
5
1
2
3
4
5
C28
10µF
C28
10µF
VIN
COMP/EN
FB
GND
VREG
VIN
COMP/EN
FB
GND
VREG
ADP1870/
ADP1870/
ADP1871
ADP1871
PGND
PGND
DRVH
DRVH
DRVL
DRVL
BST
BST
SW
SW
10
10
9
8
7
6
9
8
7
6
100kΩ
100kΩ
C12
100nF
C12
100nF
0Ω
0Ω
R4
R4
R5
R5
HIGH VOLTAGE INPUT
HIGH VOLTAGE INPUT
Rev. A | Page 39 of 44
V
V
Q1
Q3
Q1
Q3
IN
IN
= 5.5V
= 12V
Q2
Q4
Q2
Q4
22µF
22µF
MURATA: (HIGH VOLTAGE INPUT CAPACITORS)
PANASONIC: (OUTPUT CAPACITORS)
INFINEON MOSFETs:
WÜRTH INDUCTORS:
MURATA: (HIGH VOLTAGE INPUT CAPACITORS)
PANASONIC: (OUTPUT CAPACITORS)
INFINEON MOSFETs:
WÜRTH INDUCTORS:
C3
C3
22µF, 25V, X7R, 1210 GRM32ER71E226KE15L
270µF, SP-SERIES, 4V, 7mΩ EEFUE0G271LR
BSC042N03MS G (LOWER SIDE)
BSC080N03MS G (UPPER SIDE)
1µH, 3.3mΩ, 20A 7443552100
22µF, 25V, X7R, 1210 GRM32ER71E226KE15L
180µF, SP-SERIES, 4V, 10mΩ EEFUE0G181XR
BSC042N03MS G (LOWER SIDE)
BSC080N03MS G (UPPER SIDE)
0.47µH, 0.8mΩ, 50A 744355147
R6
2Ω
R6
2Ω
C13
1.5nF
C13
1.5nF
0.47µH
1.0µH
22µF
22µF
C4
C4
C24
C24
N/A
N/A
270µF
180µF
22µF
22µF
C20
C20
C5
+
C5
+
C25
C25
N/A
N/A
+
+
22µF
22µF
270µF
180µF
C6
C6
C21
C21
+
+
C26
C26
N/A
N/A
V
V
22µF
+
22µF
+
OUT
OUT
270µF
180µF
C7
C7
C22
C22
+
+
= 1.8V, 15A
= 2.5V, 15A
C27
C27
N/A
N/A
N/A
+
N/A
+
C8
C8
270µF
C23
C23
+
N/A
+
ADP1870/ADP1871
C14 TO C19
N/A
C14 TO C19
N/A
N/A
N/A
C9
C9
+
+