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TPS61300YFFR Datasheet(PDF) 50 Page - Texas Instruments

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No. de pieza TPS61300YFFR
Descripción Electrónicos  TPS6130xx 1.5-A and 4.1-A Multiple LED Camera Flash Driver With I2C Compatible Interface
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS61300YFFR Datasheet(HTML) 50 Page - Texas Instruments

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VOUT
AVIN
SW
CI
SW
LED 1
CO
10 mF
PGND
PGND
AGND
L
2.2 mH
SDA
SCL
TPS61305
LED 2
LED 3
D1
D 2
2.5 V..5.5 V
NRESET
FLASH_SYNC
TS
GPIO/PG
INDLED
Privacy
Indicator
CAMERA ENGINE
I2C I/F
HC_ SEL
BAL
FLASH READY
PHONE POWER ON
1.8 V
220k
NTC
Tx-MASK
Copyright © 2016, Texas Instruments Incorporated
50
TPS61300, TPS61301
TPS61305, TPS61305A, TPS61306
SLVS957E – JUNE 2009 – REVISED APRIL 2016
www.ti.com
Product Folder Links: TPS61300 TPS61301 TPS61305
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Copyright © 2009–2016, Texas Instruments Incorporated
9 Application and Implementation
NOTE
Information in the following applications sections is not part of the TI component
specification, and TI does not warrant its accuracy or completeness. TI’s customers are
responsible for determining suitability of components for their purposes. Customers should
validate and test their design implementation to confirm system functionality.
9.1 Application Information
The TPS6130xx can drive up to three white LEDs in parallel (400-mA, 800-mA, and 400-mA maximum flash
current). The extended high-current mode (HC_SEL) allows up to 1025-mA, 2050-mA, and 1025-mA flash
current. The 2-MHz switching frequency allows the use of small and low profile passive components.
9.2 Typical Applications
9.2.1 4100-mA Two White High-Power LED Flashlight Featuring Storage Capacitor
Figure 73. 4100-mA Two White High-Power LED Flashlight Featuring Storage Capacitor
9.2.1.1 Design Requirements
For this design example, use the parameters listed in Table 21 as the input parameters.
Table 21. TPS61305 Design Requirement
DESIGN PARAMETER
EXAMPLE VALUE
Input Voltage Range
2.5 V to 5.5 V
Output Voltage
4.95 V
Operating Freqency
2 MHz


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