L9911 STMICROELECTRONICS | Alldatasheet
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Technical content
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change wit hout notice.
1 Features
2 Description
3 Circuit Operation
3.1 VOLTAGE REGULATION
3.2 PROTECTION
3.3 DIAGNOSIS
3.4 LOAD RESPONSE CONTROL
soft attack characteristics. Figure 1. Package Table 1. Order Codes
Figure 2. Pin Connection (Top view) Table 2. Pin Descriptions Table 3. Absolute Maximum Ratings (Tj = -40 to 150°C, unless otherwise specified) Table 4. Thermal Data 4 L Lamp terminal low side driver; relay terminal high side driver.
Table 5. ELECTRICAL CHARACTERISTCS
Table 5. ELECTRICAL CHARACTERISTCS (continued)
Table 6. Load Response Control Parameters Table 7. Load Response Control Timing Options Table 8. Correspondence of Frequency (typical values) to Application Features t_ST_1 Soft Start Delay Time (Fig. judged after 4 periods (Fig. judged after 4 periods (Fig.
Table 9. Customization of L9911: Combination of LRC, Regulation, and Application Options Figure 3. Vreg-1 Figure 4. Vreg-2
6 Pole
8 Pole
6 Pole Pairs 8 Pole
6 Pole Pairs 6 Pole
Figure 12. Soft start characteristics (always activated at engine start)
Figure 15. Short circuit drivers' protection Lamp driver is protected in linear mode, with a retry time of 1s.
4 Package Information
maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. Figure 16. Multiwatt8 Mechanical Data & Package Dimensions
Table 11. Revision History Updated Figure 10, 11 and 14; Add Table 7. 07-Nov-2005 3 Updated Table 5.
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners © 2005 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America L9911