MAX5089 Maxim Integrated Products, MAX5089 Datasheet - Page 10

• Manufacturer Part Number: MAX5089
• Description: 2.2MHz - 2A Buck Converters with an Integrated High-Side Switch
• Manufacturer: Maxim Integrated Products

2.2MHz, 2A Buck Converters with an
Integrated High-Side Switch
Figure 2. MAX5089 Block Diagram
10
BYPASS
DRAIN
SYNC
OSC
______________________________________________________________________________________
V+
EN
1V
SOFT-START
DIGITAL
OSCILLATOR
V
REF
MAX5089
2V
4-PULSE
SKIP
R
Q
Q
ADAPTIVE
BBM
f
SW
g
m
/ 4
0.92 x V
V
REF
200mV
= 0.6V
REF
R
SENSE
VL
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LDO
200mΩ
N2
30Ω
N3
V
L
= 5.2V
N1
V
BST/VDD
SOURCE
DL
PGND
FB
COMP
SGND
PGOOD
L