B3800M Datasheet, PDF (1/10 Pages) List of Unclassifed Manufacturers – Switching Regulator Controller Step Up Low Voltage (BIPOLAR)

Bay Linear
Inspire the Linear Power
Switching Regulator Controller
Step Up Low Voltage (BIPOLAR)
B3800
Description
The Bay Linear B3800 series is monolithic control circuit
containing the primary functions required for DC-to-DC
converters. This device is design for low voltage applications
incorporating a soft start function and sort circuit detection
function. The device has a low minimum operating voltage of
1.8V and is ideal for the power supply of battery-operated
electronic equipments.
This series was specially designed to be incorporated in Step-
Down and voltage-inverting applications with a minimum
number of external components.
The B3800 is offer in 8-pin DIP or Surface mount package.
Features
• Wide operation from…………... 1.8 to 15V
• Low Standby Current……………….. 1 µA
• Low Current Consumption……… 5.5mA
• high Speed Operation ……………. 1MHz
• Incorporates soft start circuit
• Incorporates a stand-by function
• Incorporate a times-latch short circuit
detection circuit (SCP)
• Totem-pole type output with adjustable
on/off current (for NPN transistor)
• The error amplifier gain is set inside the
IC, so peripheral components are
minimized.
• Direct Replacement for MB3800
Applications
• Digital Camera
• MP3
• Low Battery Operating Applications
Pin Connection
Ordering Information
8-Pin Surface Mount
-IN
1
8
FB
SCP
2
7
OSC
Vcc
3
6
GND
BR/CTL
4
5
OUT
Top View
SO-8
8-pin
B3800M
P-DIP
8-pin
B3800P
Operating
Temp. Range
-40°C to 85°C
Bay Linear, Inc 2418 Armstrong Street, Livermore, CA 94550 Tel: [phone], Fax: [phone]
www.baylinear.com