ADP1871ACPZ-1.0-R7 Analog Devices Inc, ADP1871ACPZ-1.0-R7 Datasheet - Page 40
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ADP1871ACPZ-1.0-R7
Manufacturer Part Number
ADP1871ACPZ-1.0-R7
Description
1.0MHz, Light Load Eff Enabled
Manufacturer
Analog Devices Inc
Datasheet
1.ADP1870-0.3-EVALZ.pdf
(44 pages)
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
ADP1871ACPZ-1.0-R7TR
ADP1870/ADP1871
300 kHz HIGH CURRENT APPLICATION CIRCUIT
V
53pF
OUT
C
F
0.1µF
R1 30kΩ
C2
15kΩ
C
528pF
R
43kΩ
R2
1µF
C
C
C1
Figure 94. Application Circuit for 13 V Input, 1.8 V Output, 12 A, 300 kHz (Q2/Q4 No Connect)
JP3
1
2
3
4
5
C28
10µF
VIN
COMP/EN
FB
GND
VREG
ADP1870/
ADP1871
DRVH
PGND
DRVL
BST
SW
10
9
8
7
6
100kΩ
C12
100nF
R4
0Ω
R5
HIGH VOLTAGE INPUT
Rev. A | Page 40 of 44
V
Q1
Q3
IN
= 13V
Q2
Q4
22µF
MURATA: (HIGH VOLTAGE INPUT CAPACITORS)
SANYO OSCON:
PANASONIC: (OUTPUT CAPACITORS)
INFINEON MOSFETs:
WÜRTH INDUCTORS:
C3
22µF, 25V, X7R, 1210 GRM32ER71E226KE15L
270µF, 16SVPC270M, 14mΩ
270µF, SP-SERIES, 4V, 7mΩ EEFUE0G271LR
BSC042N03MS G (LOWER SIDE)
BSC080N03MS G (UPPER SIDE)
0.72µH, 1.65mΩ, 35A 744325072
R6
2Ω
C13
1.5nF
1.4µH
22µF
C4
C24
N/A
270µF
22µF
C20
C5
+
C25
N/A
+
270µF
N/A
C6
C21
+
C26
N/A
V
+
OUT
N/A
270µF
C7
C22
+
= 1.8V, 12A
C27
N/A
N/A
+
C8
270µF
C23
+
C14 TO C19
N/A
270µF
+
C9