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PDF SSD1030 Data sheet ( Hoja de datos )
| Número de pieza | SSD1030 | |
| Descripción | Boost Regulating White LED drivers | |
| Fabricantes | Solomon Systech | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SSD1030 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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SSD1030
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Boost Regulating White LED drivers
i
1 page  
SOLOMON SYSTECH
SEMICONDUCTOR TECHNICAL DATA
1 GENERAL DESCRIPTION
SSD1030 is a boost regulating white LED driver designed to drive up to 4 white LEDs in series with
constant current.
LED brightness can be adjusted by PWM (Pulse Width Modulation) control or resistor value.
2 FEATURES
• VIN operation range 2.4 to 5.0V
• Drive up to 4 LEDs at 3.0V supply
• High efficiency operations: over 80%
• 500KHz Switching Frequency
• Low shutdown current: 1uA max
• Digital brightness control by PWM method
• Analog brightness control by feedback resistor adjustment
• Low feedback voltage minimizes power loss
• TSOT23-5 pin package
3 ORDERING INFORMATION
Ordering Part Number
SSD1030JA02R3
Table 3-1: Ordering Information
Package Form
TSOT23-5
This document contains information on a product under development. Solomon Systech reserves the right to
change or discontinue this product without notice.
http://www.solomon-systech.com
SSD1030
Rev 0.11 P 1/11 Dec 2005
Copyright © 2005 Solomon Systech Limited
5 Page 
13 APPLICATION EXAMPLES
Figure 13-1: Typical Application with Open Circuit Current Protection
VIN
1uF CIN
L1 D1
VIN SW
SHDN# VSS
FB
COUT
D2
ILED
R1
RFB
Table 13-1: Typical Component Values of Open circuit current protection application
Components
CIN
COUT
D1
D2
L1
RFB
R1
Typical Value
1uF, 16V
0.22uF, 25V
30V, 200mA
18V, 0.1mA rating
22uH, 300mA
4.75Ω, ±1%
1kΩ, ±5%
Remark
Schottky diode, e.g. On Semiconductors BAT54ALT1
Zener diode, DO-35 package, e.g. 1N4112
Feedback resistor
SSD1030
Rev 0.11 P 7/11 Dec 2005
Solomon Systech
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet SSD1030.PDF ] | |
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