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SP6683 Scheda tecnica(PDF) 2 Page - Sipex Corporation

Il numero della parte SP6683
Spiegazioni elettronici  High Power LED Driver for Parallel Configuration
PDF  10 Pages
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Produttore elettronici  SIPEX [Sipex Corporation]
Homepage  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP6683 Scheda tecnica(HTML) 2 Page - Sipex Corporation

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Date: 07/07/04
SP6683 White LEDs Driver for Parallel Configuration
© Copyright 2004 Sipex Corporation
PARAMETER
MIN
TYP
MAX
UNITS
CONDITIONS
Input Voltage
2.7
5.5
V
Quiescent Current
0.9
3
mA
VIN = 4.2V, VOUT = 3.6V, IOUT = 100µA
Shutdown Current
1.0
1.5
µAVEN/PWM = 0V, VIN = 5.5V
Maximum Load Current
280
mA
VIN = 4.2V, VOUT = 3.6V
Oscillator Frequency
0.8
1.2
1.6
MHz
VIN = 3.6V
VFB Reference Voltage
0.275
0.306
0.337
V
Output Resistance
7.5
Ω
1.5X Mode, 100mA Load
5
Ω
1.0X Mode, 100mA Load
VMODE Threshold Voltage
1.15
1.25
1.35
V
VIN Falling @ 25°C
VMODE Hysteresis
30
mV
VIN = 3.6V @ 25°C
VMODE Pin Current
0.01
0.5
µAVMODE = 1.25 V
EN/PWM Logic Low
0.4
V
EN/PWM Logic High
1.6
V
EN/PWM Pin Current
0.01
0.5
µAVEN/PWM = 4.2V
FB Pin Current
0.5
µAVFB = 1V
VOUT Ripple
80
mV
VIN = 5V, VOUT = 4V, IOUT = 100mA ,
1.5x Mode
VOUT Turn-On Time
175
500
µsVIN = 3.6V, FB within 90% regulation
ELECTRICAL CHARACTERISTICS
Unless otherwise specified: VIN =+2.7V to +5.0V, C1=C2=C4=C5=1.0µF (Ceramic, ESR=0.03Ω) and TAMB =-40°C to
+85
°C unless otherwise noted.
V
IN, VMODE, VOUT and EN/PWM ................. -0.3V to 6V
V
IN - VOUT ........................................................... 0.7V
Output Current (I
OUT) ...................................... 300mA
Power Dissipation per Package - 10-pin MSOP
(derate 8.84mW/°C above +70°C) ................. 720mW
Junction Temperature .................................... +125°C
Storage Temperature ...................... -65°C to +150°C
ESD Rating. ................................................ 2kV HBM
These are stress ratings only and functional operation of
the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect
reliability.
ABSOLUTE MAXIMUM RATINGS



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