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ADTech
ADTech

ADT7350 Datasheet Preview

ADT7350 Datasheet

step-down converter

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ADT7350 pdf
General Description
The ADT7350 is a step-down converter with
integrated switching MOSFET. It operates wide
input supply voltage range from 4.5V to 24V with
1.2A peak output current. It includes current
limiting protection and thermal shutdown.
It reduces design complexity and external
component count. The ADT7350 is available in
small outline SOT23-6L package.
Features
• Current mode buck regulator with 1.4MHz
fixed frequency
• Input voltage range : 4.5V to 24V
• Adjustable output range : 0.81V to 15V
• Max. output current : 1.2A
• Up to 92% Efficiency
• Internal Soft-Start Function
• Integrated Power MOSFET switch : 400m
• Thermal shutdown & current limit protection
• SOT23-6L package
Typical Application Circuit
ADT7350
Package outline of the ADT7350
Applications
• Distributed Power Systems
• Surveillance Camera module
• Navigation
• Infra-Red LED Drivers
1
BST
SW 6
U1
2
GND
5
VIN
3
FB
4
EN
CB
L1
D1 C2
VIN
C1
EN
VOUT
R1
R2
* This specifications are subject to be changed without notice
Sep. 9. 2010 / Rev. 0.0
1/9 http://www.ad-tech.co.kr
www.DataSheet.in



ADTech
ADTech

ADT7350 Datasheet Preview

ADT7350 Datasheet

step-down converter

No Preview Available !

ADT7350 pdf
Part List
Component
U1
D1
L1
C2
C1
CB
R1
R2
Type
IC
Schottky barrier diode
Chip inductor
MLCC
MLCC
MLCC
Chip resistor
Chip resistor
ADT7350
Value (Model)
ADT7350
RSX101M-30
4.7uH / 1.6A
22/ 16V
10/ 50V
10
49.9/ 1%
16.2/ 1%
Manufacturer
ADTech
ROHM
TDK
-
-
-
-
-
R1,R2 : VOUT 3.3V typical case
Pin Description
Pin
No.
Name
Pin Description
Bootstrap. This pin acts as the power supply for internal Power Transistor driver.
1 BST
Connect a 10nF capacitor between this pin and SW pin.
2 GND Ground and heat sink. Connect this pin to a large copper PCB area.
3
FB
Feedback voltage input. The voltage of this pin is regulated to 0.81V. The shielding in the
PCB layout is option and connect resistor divider as close as possible.
4
EN
Chip enable input. The Enable voltage range is higher than 1.2V and disable voltage is
lower than 0.4V.
5 VIN Power supply input. The input bypass capacitor should be as close as GND pin.
6 SW Switching node. The free-wheeling diode is connected between this pin and GND.
BST 1
GND 2
FB 4 3
6 SW
5 VIN
4 4 EN
* This specifications are subject to be changed without notice
Sep. 9. 2010 / Rev. 0.0
2/9 http://www.ad-tech.co.kr
www.DataSheet.in


Part Number ADT7350
Description step-down converter
Maker ADTech
Total Page 9 Pages
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