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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The NCL30100 is a compact switching regulator controller intended for space constrained constant current high brightness LED driver applications where high efficiency and small size are important. The controller is based on a peak current, quasi fixed off time control architecture optimized for continuous conduction mode stepdown (buck) operation. This allows the output filter capacitor to be eliminated. In this configuration, a reverse buck topology is used to control a cost effective N-channel MOSFET.
Features | | Benefits
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| | | | |
Quasi-Fixed Off Time, Peak Current Control Method
| |
No Loop Compensation Needed
Reverse Buck Switching Topology
| |
N-FET MOSFETs can be used
Up to 700 kHz Switching Frequency
| |
Allows smaller inductors
Up to 95%+ Efficiency
| |
No Output Capacitor Needed
| |
Vcc Operation from 6.35-18 V
| |
-40 to 125 °C
| |

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NCL30100SNT1G Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	6 Pin
Case/Package	TSOT-23-6
Frequency	700 kHz
Halogen Free Status	Halogen Free
Number of Outputs	1 Output
Input Voltage (DC)	6.35V ~ 18.0V
Output Current	1.2 A
Number of Positions	6 Position
Switching Frequency	700 kHz
Topology	Step-Down
Input Voltage (Max)	18 V
Input Voltage (Min)	6.35 V
Output Current (Max)	1.2 A
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	6.35V ~ 18V
Supply Voltage (Max)	18 V
Supply Voltage (Min)	6.35 V
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Size-Length	3.1 mm
Size-Width	3 mm
Size-Height	1 mm
Operating Temperature	-40℃ ~ 125℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

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