19-2813; Rev 2; 8/04
3V/5V, 6dB Video Buffer with Sync-Tip Clamp
and 150nA Shutdown Current
General Description
The MAX4090 3V/5V, 6dB video buffer with sync-tip
clamp, and low-power shutdown mode is available in
tiny SOT23 and SC70 packages. The MAX4090 is
designed to drive DC-coupled, 150鈩?back-terminated
video loads in portable video applications such as digi-
tal still cams, portable DVD players, digital camcorders,
PDAs, video-enabled cell phones, portable game sys-
tems, and notebook computers. The input clamp posi-
tions the video waveform at the output and allows the
MAX4090 to be used as a DC-coupled output driver.
The MAX4090 operates from a single 2.7V to 5.5V sup-
ply and consumes only 6.5mA of supply current. The
low-power shutdown mode reduces the supply current
to 150nA, making the MAX4090 ideal for low-voltage,
battery-powered video applications.
The MAX4090 is available in tiny 6-pin SOT23 and
SC70 packages and is specified over the extended
-40擄C to +85擄C temperature range.
鈾?/div>
Input Sync-Tip Clamp
鈾?/div>
DC-Coupled Output
鈾?/div>
Low-Power Shutdown Mode Reduces Supply
Current to 150nA
鈾?/div>
Available in Space-Saving SOT23 and SC70
Packages
Features
鈾?/div>
Single-Supply Operation from 2.7V to 5.5V
MAX4090
Applications
Portable Video/Game Systems/DVD Players
Digital Camcorders/Televisions/Still Cameras
PDAs
Video-Enabled Cell Phones
Notebook Computers
Portable/Flat-Panel Displays
PART
MAX4090EXT-T
MAX4090EUT-T
Ordering Information
TEMP RANGE
-40擄C to +85擄C
-40擄C to +85擄C
PIN-
PACKAGE
6 SC70-6
6 SOT23-6
TOP
MARK
ABM
ABOX
Pin Configuration
TOP VIEW
TOP VIEW
MAX4090
OUT
1
6
FB
IN
V
CC
Block Diagram
OUT
GND
2
MAX4090
5
SHDN
CLAMP
2.3k鈩?/div>
FB
IN
3
4
V
CC
1.2k鈩?/div>
580鈩?/div>
780鈩?/div>
SC70/SOT23
SHDN
GND
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
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