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SP7685ER-L/TR

Description
LED Lighting Drivers 1.2A BUCK/BOOST LED DRVR
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size257KB,12 Pages
ManufacturerExar
Environmental Compliance
Related ProductsFound1parts with similar functions to SP7685ER-L/TR
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SP7685ER-L/TR Overview

LED Lighting Drivers 1.2A BUCK/BOOST LED DRVR

SP7685ER-L/TR Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Parts packaging codeSON
package instructionHVSON, SOLCC10,.12,20
Contacts10
Reach Compliance Codecompliant
ECCN codeEAR99
Is SamacsysN
Interface integrated circuit typeLED DISPLAY DRIVER
JESD-30 codeS-XDSO-N10
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Multiplex display functionNO
Number of functions1
Number of segments1
Number of terminals10
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeHVSON
Encapsulate equivalent codeSOLCC10,.12,20
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
power supply3/5 V
Certification statusNot Qualified
Maximum seat height1 mm
Maximum supply voltage5.5 V
Minimum supply voltage2.7 V
Nominal supply voltage3.6 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width3 mm
Base Number Matches1
SP7685
1.2A Buck/Boost Charge Pump LED Driver
FEATURES
Output Current up to 1.2A
Up to 94% Efficiency in Torch Mode
Adjustable FLASH Mode Current
Minimum External Components: No Inductors
Automatic Buck/Boost Mode Switchover
Wide V
IN
Range: 2.7V to 5.5V
High Frequency Operation: 2.4 MHz
50mV Reference for low Loss Sensing
I
Q
< 2μA in Shutdown
PWM Dimming Control
Automatic Soft Start Limits Inrush Current
Overvoltage Protection on Output
Overcurrent/temperature Protection
Low Ripple and EMI
Ultra-low Dropout Voltage in Buck Mode
2.6 Second Timeout in Flash Mode
Space Saving RoHS Compliant, Lead Free
Package: 10-pin 3mm x 3mm DFN
VIN
C1
C2
FLASH
EN
1
2
3
4
5
10
VOUT
PGND
SGND
FB
RSET
SP7685
10 Pin DFN
9
8
7
6
APPLICATIONS
White LED Torch/Flash for Cell
Phones, DSCs, and Camcorders
White LED Backlighting
Generic Lighting/Flash/Strobe
Applications
General Purpose High Current Boost
DESCRIPTION
The SP7685 is a current-regulated charge pump ideal for powering high brightness LEDs for
camera flash applications. The charge pump can be set to regulate two current levels for
FLASH and TORCH modes. The SP7685 automatically switches modes between step-up
and step-down ensuring that LED current does not depend on the forward voltage. A low
current sense reference voltage (50mV) allows the use of small 0603 current sensing
resistors. The SP7685 is offered in 10-pin DFN package.
TYPICAL APPLICATION CIRCUIT
V
IN
(3.0 - 4.2V)
O
C
IN
10μF
V
IN
C
FC
1μF
¤
V
OUT
C
OUT
10μF
1A Flash
200mA Torch
PWF1 WLED
C1 SP7685 P
GND
C2
S
GND
FLASH
EN
FB
R
SET
R
SET
80KΩ
TORCH/FLASH
ENABLE
R
SENSE
0.22Ω
Date: 6/20/06 Rev T
SP7685, 1.2A Buck/BoostCharge Pump LED Driver
© 2006 Sipex Corporation
1

SP7685ER-L/TR Related Products

SP7685ER-L/TR SP7685EB
Description LED Lighting Drivers 1.2A BUCK/BOOST LED DRVR Power Management IC Development Tools Eval Board for SP7685 Series

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