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PDF CAT4104 Data sheet ( Hoja de datos )
| Número de pieza | CAT4104 | |
| Descripción | 700mA Quad Channel Constant Current LED Driver | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CAT4104 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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700 mA Quad Channel Constant Current LED Driver
CAT4104
FEATURES
4 matched LED current sinks up to 175 mA
Up to 25 V operation on LED pins
Low dropout Current Source (0.4 V at 175 mA)
LED current set by external resistor
High frequency PWM dimming via EN/PWM
“Zero” current Shutdown mode
Thermal shutdown protection
RoHS-compliant TDFN 8-Pad 2 x 3 mm and
SOIC 8-Lead packages
APPLICATIONS
Automotive Lighting
General and Architectural Lighting
LCD backlight
ORDERING INFORMATION
Part
Number
Package
Quantity
per Reel
Package
Marking
CAT4104V-GT3 SOIC-8*
CAT4104VP2-GT3 TDFN-8*
3,000
3,000
CAT4104V
HC
* Lead Finish is NiPdAu
DESCRIPTION
The CAT4104 provides four matched low dropout current
sinks to drive high-brightness LED strings up to 175 mA
per channel. The LED channel current is set by an
external resistor connected to the RSET pin. The LED
pins are compatible with high voltage up to 25 V
supporting applications with long strings of LEDs.
The EN/PWM logic input supports the device enable and
high frequency external Pulse Width Modulation (PWM)
dimming control.
Thermal shutdown protection is incorporated in the device
to disable the LED outputs whenever the die temperature
exceeds 150ºC.
The device is available in the 8-pad TDFN 2 mm x 3 mm
package and the SOIC 8-Lead 150 mil wide package.
PIN CONFIGURATION
TDFN 8-Pad (Top View)
LED1 1
LED2 2
LED3 3
LED4 4
8 RSET
7 VIN
6 EN/PWM
5 GND
SOIC 8-Lead (Top View)
LED1
1
8 RSET
LED2
2
7 VIN
LED3
3
6 EN/PWM
LED4
4
5 GND
TYPICAL APPLICATION CIRCUIT
VCC
3 V to 25 V
LEDs
VIN
5V
OFF ON
R1
768 Ω
CAT4104
VIN LED1
LED2
EN/PWM
LED3
RSET
LED4
GND
175 mA
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
1
Doc. No. MD-5041 Rev. B
1 page  
www.DataSheet4U.com
CAT4104
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 5 V, VCC = 5 V, LED forward voltage = 3.5 V, CIN = 1 μF, TAMB = 25°C unless otherwise specified.
LED Current vs. RSET Resistor
LED Current vs. LED Pin Voltage
1000
200
160
120
100
80
40
10
0.1
1.0
RSET [kΩ]
10.0
0
01 234 56
LED PIN VOLTAGE [V]
RSET Pin Voltage vs. Input Voltage
1.30
RSET Pin Voltage vs. Temperature
1.30
1.25
1.25
1.20
1.20
1.15
1.15
1.10
3.0
3.5 4.0 4.5 5.0
INPUT VOLTAGE [V]
5.5
LED Off Current vs. LED pin Voltage
1.0
0.8
0.6
0.4
0.2
0.0
0
+125ºC
-40ºC
+25ºC
5 10 15 20 25 30
LED PIN VOLTAGE [V]
1.10
-40
0 40 80
TEMPERATURE [ºC]
120
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
5
Doc. No. MD-5041 Rev. B
5 Page 
www.DataSheet4U.com
PACKAGE OUTLINE DRAWINGS
SOIC 8-Lead 150 mil (V) (1)(2)
0F0F
E1 E
PIN # 1
IDENTIFICATION
TOP VIEW
D
eb
SIDE VIEW
A1
A
CAT4104
SYMBOL
A
A1
b
c
D
E
E1
e
h
L
θ
MIN
NOM
MAX
1.35 1.75
0.10 0.25
0.33 0.51
0.19 0.25
4.80 5.00
5.80 6.20
3.80 4.00
1.27 BSC
0.25 0.50
0.40 1.27
0º 8º
h
θ
L
END VIEW
c
For current Tape and Reel information, download the PDF file from:
http://www.catsemi.com/documents/tapeandreel.pdf.
Notes:
(1) All dimensions are in millimeters. Angles in degrees.
(2) Complies with JEDEC standard MS-012.
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
11
Doc. No. MD-5041 Rev. B
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet CAT4104.PDF ] | |
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