Analog Devices MAX77857 Manual page 2

Evaluates: MAX77857 (WLP)
DC SOURCE
C
IN
2.5V TO 16V
2x 10μF
25V 0805
ENABLE
V
IO
R
PU
15k
0402
POK/INTERRUPT
*CHOOS E R VALUE
SEL
BASED ON TABLE 2
Figure 1. MAX77857 Typical Application Circuit
SWITCH NODES PROBE POINTS
INPUT SUPPLY TERMINALS
INPUT VOLTAGE SENSE PINS
MAX77857 SOLUTION
Figure 2. MAX77857 Evaluation Board
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C C
BST1 BST2
0.22μF L 0.22μF
25V 0603 1.5μH 25V 0603
BST1 LX1 LX2 BST2
IN OUT
MAX77857
EN
V
L
C
VL
2.2μF
10V 04 02
POKB/INTB
(MAX77857B/C ONLY) SCL
SDA
SEL
AGND PGND
SEL *
R
USING INTERNAL FEEDBACK RESI STORS
V
OUT
C
OUT
4.5V TO 15V
2x 22μF
FB
25V 0805
V
IO SUPPLY
IO
C
VIO
1.08V TO 2.0V
0.47μF
6.3V 04 02
OPTIONAL
2
I C INTERFACE
MAX77857 Evaluation Kit
USING EX TERNA L FEEDBA CK RESISTORS
OUT
C
C
FF
2x 22μF
10pF
R
TOP
25V 0805
25V
0402
FB
R
BOT
OUTPUT LOAD TERMINALS
OUTPUT VOLTAGE SENSE PINS
2
I C SERIAL BUS TEST POINTS
MAXUSB_INTERFACE# CONNECTOR
Analog Devices | 2
V
OUT
OUT
3.0V TO 15V