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SP6685EB Datasheet

  • SP6685EB

  • Evaluation Board Manual

  • 187.98KB

  • 4頁

  • SIPEX

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SP6685EB
Evaluation Board Manual
2.7V to 4.2V Input Range
Typical 200mA Torch or 700mA
Flash Output Current
High Efficiency in 1X mode, high
V
OUT
in 2X mode
Small 3x3mm 10-Pin DFN Package
2.4MHz Switching Frequency
Enables Small Components
Integrated Design with Minimal
Components.
Use with 1 cell Lithium Ion Battery
DESCRIPTION AND BOARD SCHEMATIC
The
SP6685EB Evaluation Board
is a compact circuit including the SP6685 in 3x3mm DFN
and 3 small 0603 capacitors which can provide a stable drive current for a 1W LED such as the
Lumi-LEDs Luxeon I or PWF1 type light sources. The evaluation board is a completely
assembled and tested surface mount board which provides easy probe access points to all
SP6685 inputs and outputs so that the user can quickly connect and measure electrical
characteristics and waveforms.
SP6685EB Schematic
Vin: 2.7-5.5V
Cin
10uF
CF
1uF
1
2
3
4
5
VIN
C1
C2
SP6685
VOUT
PGND
SGND
FB
RSET
10
9
8
7
6
Cout
4.7uF
D1
PWF1
Flas h/Torch
ENABLE
FLASH
EN
VFB = 50mV Torch 200mA
150mV Flash 700mA
RSET
88.7K
RSENSE
0.22ohms
TO GET STARTED:
1. Connect VIN from VIN to GND (VIN range 2.7V to 4.2V).
2. Select mode between TORCH and FLASH by putting jumper into corresponding position.
3. Apply High to ON terminal to turn the LED on.
Rev 02/23/05
SP6685EB Evaluation Board Manual
Copyright 2005 Sipex Corporation

SP6685EB 產(chǎn)品屬性

  • SP6685SP6685EB Manual

  • 1

  • 編程器，開發(fā)系統(tǒng)

  • 評估板 - LED 驅(qū)動器

  • *

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