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Unisonic Technologies

L2800 Datasheet Preview

L2800 Datasheet

SWITCHING REGULATOR CONTROLLER

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UNISONIC TECHNOLOGIES CO., LTD
L2800
LINEAR INTEGRATED CIRCUIT
SWITCHING REGULATOR
CONTROLLER(LOW VOLTAGE)
DESCRIPTION
The UTC L2800 which is incorporating a soft start function and
short circuit detection function is a single-channel switching
regulator control IC and is made for low voltage applications.
Because the device has a low minimum operating voltage of 1.8V,
so it is ideal for the power supply of battery-operated electronic
equipment.
FEATURES
*Wide supply voltage operating range: 1.8V~15V
*Low current consumption: Typically 5.5mA in operation,1μA or
less in stand-by
*High speed operation is possible: Maximum 1MHz
*The error amplifier gain is set inside the IC, so peripheral
components are minimized.
*Incorporates a soft start circuit.
*Incorporates a timer-latch type short circuit detection circuit (SCP).
*Totem-pole type output with adjustable on/off current (for NPN
transistors)
*Incorporates a stand-by function.
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
L2800L-S08-T
L2800G-S08-T
L2800L-S08-R
L2800G-S08-R
L2800L-P08-T
L2800G-P08-T
L2800L-P08-R
L2800G-P08-R
Package
SOP-8
SOP-8
TSSOP-8
TSSOP-8
SOP-8
TSSOP-8
Packing
Tube
Tape Reel
Tube
Tape Reel
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 7
QW-R103-030.C




Unisonic Technologies

L2800 Datasheet Preview

L2800 Datasheet

SWITCHING REGULATOR CONTROLLER

No Preview Available !

L2800
PIN CONFIGURATION
LINEAR INTEGRATED CIRCUIT
PIN DESCRIPTION
PIN NO.
1
2
3
4
5
6
7
8
SYMBOL
-IN
SCP
VCC
BR/CTL
OUT
GND
OSC
FB
I/O
I
-
-
I
O
-
-
O
DESCRIPTION
Error amplifier inverting input pin
Soft start and SCP setting capacitor connection pin
Power supply pin
Output current setting and control pin
Totem-pole type output pin
Ground pin
Capacitor and resistor connection pin for setting the oscillation frequency
Error amplifier output pin
BLOCK DIAGRAM
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 7
QW-R103-030.C


Part Number L2800
Description SWITCHING REGULATOR CONTROLLER
Maker Unisonic Technologies
Total Page 7 Pages
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