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SP7685 Fiches technique(PDF) 2 Page - Sipex Corporation

No de pièce SP7685
Description  1.2A Buck/Boost Charge Pump LED Driver
Download  12 Pages
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Fabricant  SIPEX [Sipex Corporation]
Site Internet  http://www.sipex.com
Logo SIPEX - Sipex Corporation

SP7685 Fiches technique(HTML) 2 Page - Sipex Corporation

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Date: 6/20/06 Rev T
SP7685, 1.2A Buck/BoostCharge Pump LED Driver
© 2006 Sipex Corporation
ELECTRICAL CHARACTERISTICS
TA = -40°C to +85°C, VIN =3.6V, CIN = 10μF, CFC =1.0μF, COUT =10μF. VSHDN = VIN, typical values at 25°C. The
♦ denotes the specifications which apply over the full operating temperature range unless otherwise noted.
V
IN , VOUT
.......................................................................
-0.3V to 6V
Output Current Pulse (Flash) ................................. 2A
Output Current Continuous (Torch) ..................... 0.4A
Storage Temperature ...................... -65°C to +150°C
Operating Temperature ..................... -40°C to +85°C
V
EN ............................................................ 0.0V to 7V
3x3 10 DFN .........................................O
JA = 40.5°C/W
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
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITIONS
Operating Input Voltage
2.7
5.5
V
Quiescent Current
0.5
3
mA
V
IN = 2.7 - 5.5V FLASH = GND,
1X Mode, I
LOAD
= 100μA
2
FLASH = High, 2x mode
Shutdown Current
2
μA
V
IN
= 5.5V, VEN = 0.0V
Oscillator Frequency
2.4
MHz
Charge Pump Equivalent
Resistance (x2 mode)
V
FB
= 0.0V, V
IN
= 3.6V
Charge Pump Equivalent
Resistance (x1 mode)
0.4
0.7
Ω
V
IN = 3.6V
FB Reference Voltage
45
50
55
mV
FLASH = GND
138
150
162
mV
FLASH = High, R
SET
= 53.6kΩ.
FB Reference Voltage Range
100
400
mV
FLASH = High. Guaranteed by design.
FB Pin Current
0.5
μA
V
FB
= 0.3V
EN, FLASH Logic Low
0.4
V
EN, FLASH Logic High
1.3
V
EN, FLASH Pin Current
0.5
μA
V
OUT
Turn-on Time
170
500
μs
V
IN
= 3.6V, FB within 90% of
regulation
Thermal Shutdown
Temperature
145
oC
Maximum Flash ON time
1.6
2.6
3.6
s
FLASH = High


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