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UCC2105 Datasheet Preview

UCC2105 Datasheet

CC/CV MODE STEP DOWN SWITCHING REGULATOR

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UNISONIC TECHNOLOGIES CO., LTD
UCC2105
Preliminary
LINEAR INTEGRATED CIRCUIT
CC/CV MODE STEP DOWN
SWITCHING REGULATOR
DESCRIPTION
The UTC UCC2105 is a step down switching regulator, which
has a built-in 40V P-channel power MOSFET for delivering output
current. The UTC UCC2105 is designed to allow for operating a
wide supply voltage range from 8V to 24V and capable of
delivering 2A output current.
The UTC UCC2105 features a programmable CV/CC mode
control functions.
FEATURES
* 8V~24V Input Voltage Range
* CC/CV Mode Control
* Fixed 100KHz Operating Frequency
* Soft Start Function for Start-up
* Fold back Short-Circuit Protection
* High Efficiency Operation
* Output Over-Voltage Protection
* Over Temperature Protection
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UCC2105L-S08-R
UCC2105G-S08-R
Package
SOP-8
SOP-8
Packing
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2019 Unisonic Technologies Co., Ltd
1 of 4
QW-R129-036.a




UTC

UCC2105 Datasheet Preview

UCC2105 Datasheet

CC/CV MODE STEP DOWN SWITCHING REGULATOR

No Preview Available !

UCC2105
PIN CONFIGURATION
Preliminary
LINEAR INTEGRATED CIRCUIT
PIN DESCRIPTION
PIN NO.
1
2
3
4
5
6
7
8
PIN NAME
GND
VSEN
ISEN-
ISEN+
LX
VCC
OVP
COMP
DESCRIPTION
Ground pin
The voltage sense input pin.
The current sense negative input pin.
The current sense positive input pin.
Regulator output pin.
The input supply voltage pin
The over-voltage sense input pin.
Compensation pin.
BLOCK DIAGRAM
OVP
7
VCC
6
COMP 8
1.18V
-
+
RAMP
1.18V
-
+
-
Error
Amp.
+ PWM
- Comp.
Reference
Generator
Control
Logic
Gate
DRV
GND 1
VSS
SoftStart
0.4V
+
-
+
Current
Amp.
-
OTP
2
VSEN
3
ISEN-
4
ISEN+
5 LX
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 4
QW-R129-036.a


Part Number UCC2105
Description CC/CV MODE STEP DOWN SWITCHING REGULATOR
Maker UTC
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