MAX5089ATE+ Maxim Integrated Products, MAX5089ATE+ Datasheet - Page 10
![IC DC-DC CONV BUCK 16TQFN](/photos/6/66/66627/16-tqfn_21-0140l_sml.jpg)
MAX5089ATE+
Manufacturer Part Number
MAX5089ATE+
Description
IC DC-DC CONV BUCK 16TQFN
Manufacturer
Maxim Integrated Products
Type
Step-Down (Buck)r
Datasheet
1.MAX5089ATE.pdf
(24 pages)
Specifications of MAX5089ATE+
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
0.6 ~ 20 V
Current - Output
2A
Frequency - Switching
200kHz ~ 2.2MHz
Voltage - Input
4.5 ~ 23 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-TQFN Exposed Pad
Power - Output
2.67W
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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
LDO
200mΩ
N2
30Ω
N3
V
L
= 5.2V
N1
V
BST/VDD
SOURCE
DL
PGND
FB
COMP
SGND
PGOOD
L