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STCF03TBR
STMicroelectronics STCF03TBR Manuals
Manuals and User Guides for STMicroelectronics STCF03TBR. We have
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STMicroelectronics STCF03TBR manual available for free PDF download: Manual
STMicroelectronics STCF03TBR Manual (35 pages)
High Power White LED Driver with I2C Interface
Brand:
STMicroelectronics
| Category:
Lighting Equipment
| Size: 0 MB
Table of Contents
Table 1. Device Summary
1
Table of Contents
2
Description (Continued)
6
Diagram
7
Figure 1. Block Diagram
7
Pin Configuration
8
Figure 2. Pin Connections (Bottom View)
8
Table 2. Pin Description
8
Maximum Ratings
9
Table 3. Absolute Maximum Ratings (See Note)
9
Table 4. Thermal Data
9
Application
10
Figure 3. Application Schematic
10
Table 5. List of External Components
10
Electrical Characteristics
11
Table 6. Electrical Characteristics
12
Introduction
13
Buck-Boost Converter
13
Logic Pin Description
13
SCL, SDA Pins
13
TRIG Pin
13
ATN Pin
13
ADD Pin
14
TMSK Pin
14
I 2 C BUS Interface
14
Data Validity
14
Figure 4. Data Validity on the I 2 C Bus
14
Table 7. Address Table
14
Start and Stop Conditions
15
Byte Format
15
Figure 5. Timing Diagram on I 2 C Bus
15
Figure 6. Bit Transfer
15
Acknowledge
16
Writing to a Single Register
16
Figure 7. Acknowledge on I 2 C Bus
16
Table 8. Interface Protocol
16
Interface Protocol
17
Writing to Multiple Registers with Incremental Addressing
17
Figure 8. Writing to a Single Register
17
Reading from a Single Register
18
Reading from Multiple Registers with Incremental Addressing
18
Figure 9. Writing to Multiple Register with Incremental Addressing
18
Figure 10. Reading from a Single Register
18
Figure 11. Reading from Multiple Registers
19
Description of Internal Registers
20
Pwr_On
20
Trig_En
20
Tch_On
20
Ntc_On
20
Table 9. I2C Register Mapping Function
20
Table 10. Command Register
20
Ftim_0~3
21
Tdim_0~3
21
Fdim_0~3
21
Figure 12. Flash and Torch Current Vs. Dimming Value
21
Table 11. Dimming Register
21
Auxi_0~3
22
Auxt_0~3
22
Table 12. Auxiliary Register
22
Table 13. Auxiliary Led Dimming Table
22
Table 14. Torch Mode and Flash Mode Dimming Registers Settings
22
F_Run
23
Led_F
23
Ntc_W
23
Ntc_H
23
Ot_F
23
Table 15. Status Register
23
Voutok_N
24
Figure 13. VOUTOK_N Behavior
24
Table 16. Status Register Details
24
Detailed Description
25
Poweron Reset
25
Shutdown, Shutdown with NTC
25
Ready Mode
25
Single or Multiple Flash Using External (Μp) Temporization
25
External (Μp) Temporization Using TRIG_EN Bit
26
Single Flash Using Internal Temporization
26
Multiple Flash Using Internal Temporization
26
Typical Performance Characteristics
27
Figure 14. Efficiency
27
Figure 15. IOTORCH Vs T_DIMM
27
Figure 16. IOFLASH Vs F_DIMM
27
Figure 17. IOAUX Vs AUXI
27
Figure 18. IOFLASH Vs Temp. V I = 3.3V
27
Figure 19. VFB2 Vs Temp. at I O = 800Ma, V I = 3.3V
27
Figure 20. I Q Vs Temp
28
Figure 21. Start-Up in Flash Mode 800Ma at
28
Figure 22. Line Transient in Flash Mode 800 Ma, Change of V I from 2.7 V to 3.3 V in 10 Μs
28
Package Mechanical Data
29
Revision History
34
Table 17. Revision History
34
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