ABSOLUTE MAXIMUM RATINGS
V
IN
- V
OUT .......................................................................
-0.3V to 6V
Output Current Pulse (Flash) ................................. 1A
Output Current Continuous (Torch) ..................... 0.4A
Storage Temperature ...................... -65°C to +150°C
Operating Temperature ..................... -40°C to +85°C
EN ................................................................ 0V to 7V
ESD. ........................................................... 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.
ELECTRICAL CHARACTERISTICS
T
A
= -40°C to +85°C, V
IN
=3.6, C
IN
= 4.7µF, C
FC
= C
OUT
= 1.0µF. V
SHDN
= V
IN,
typical values at 25°C. The
♦
denotes the
specifications which apply over the full operating range unless otherwise noted.
PARAMETER
Operating Input Voltage
Quiescent Current
MIN.
2. 7
0. 5
2
Shutdown Current
Oscillator Frequency
Charge Pump Equivalent
Resistance (x2 mode)
Charge Pump Equivalent
Resistance (x1 mode)
FB Reference Voltage
FB Reference Voltage
FB Pin Current
EN, FLASH Logic Low
EN, FLASH Logic High
EN, FLASH Pin Current
V
OUT
Turn-on Time
Thermal Shutdown
Temperature
Thermal Hysteresis
250
145
10
1.3
0. 5
500
14 2
45
2. 4
5
0.6
150
50
0.8
158
55
0. 5
0. 4
1
µA
MHz
Ω
Ω
mV
mV
µA
V
V
µA
µs
ºC
ºC
♦
♦
♦
♦
♦
♦
♦
V
IN
= 3.6V, FB within 90% of
regulation
♦
♦
V
FB
= 0V, V
IN
= 3.6V
V
IN
= 3.6V
FLASH = V
IN
R
SET
= 100K
FLASH = GND
V
FB
= 1V
TYP.
MAX.
4.3
2
UNITS
V
mA
♦
♦
V
IN
= 2.7 - 4.3V FLASH = 0V,
Iload = 100µA
FLASH = V
IN,
2x mode
V
IN
= 4.3V, V
EN
= 0V
CONDITIONS
Date: 12/15/04
SP6685 Charge Pump LED Driver for Camera Flash
© Copyright 2004 Sipex Corporation
2
SIPEX [ SIPEX CORPORATION ]
