KAB3405T Selling Leads, Price trend, KAB3405T DataSheet download, circuit diagram from SeekIC.com

Features: `Variable LED Current IF is set with a external resistor : 20 mA (Typ.) @ RSENS = 15`High Efficiency`Output Over Voltage Shutdown`Built in output over voltage protect circuit.`Switching Frequency : 1.0 MHz (Typ.)Application·Back light white LEDs in LCD of PDA, Cellular Phone·Handy Termin...

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SeekIC No. : 004383849 Detail

KAB3405T: Features: `Variable LED Current IF is set with a external resistor : 20 mA (Typ.) @ RSENS = 15`High Efficiency`Output Over Voltage Shutdown`Built in output over voltage protect circuit.`Switching Fr...

KAB3405T Data Sheet

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Part Number:: KAB3405T
Supply Ability:: 5000

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1~5000

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Upload time: 2024/11/21

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What is this?

KAB3403T evaluate
Features: ·Inherently Matched LED Current.·High Efficiency : 87% (max.)·Built in a open circuits p...
KAB3321 PLAIN evaluate
US $4.2 - 5 / Piece

Enclosures, Boxes, & Cases 3.6X1.5X1.06 DIECAST
KAB3321 BLACK evaluate
US $5.12 - 6.44 / Piece

Enclosures, Boxes, & Cases 3.625 X 1.5 X 1.063

Product Details

Description

Features:

`Variable LED Current IF is set with a external resistor
: 20 mA (Typ.) @ R_SENS = 15
`High Efficiency
`Output Over Voltage Shutdown
`Built in output over voltage protect circuit.
`Switching Frequency : 1.0 MHz (Typ.)

Application

·Back light white LEDs in LCD of PDA, Cellular Phone
·Handy Terminal Equipment.

Pinout

Connection Diagram

Specifications

Characteristics	Symbol	Ratings	Unit
Power Supply Voltage Input Voltage	V_IN V_IN(SHDN)	-0.3 to +6.0 -0.3 to +V_IN + 0.3	V V
Switching Terminal Voltage Switching Terminal Current	V_{O (SW)} I_{O (SW)}	-0.3 to 40 1500	V mA
Power Dissipation	P_D	0.41 (Device) 0.47(on PCB)Caution 2	W
Thermal Resistance	R_th(j-a)	300(Device) 260(on PCB)	/W
Operation Temperature Range Storage Temperature Range Maximum Junction Temperature	T_opr T_stg T_j	-40 to +85 -55 to +150 150

Caution 2: Power Dissipation must be calculated with subtraction of 3.8 mW/ from Maximum
Rating with every 1 if Topr is upper 25 . (on PCB)

Description

KAB3405T is a high efficient Step-Up Type DC/DC Converter specially designed for constant current drive of White LED. This IC can drive 2-10 white LEDs connected series using a Li-ion Battery. This IC contains N-ch MOS-FET Transistor for Coil-Switching, and LED Current (IF) is set with an external resistor.

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KAB3405T

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