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2
Date: 5/25/04
SP6691 Micro Power Boost Regualtor, Series White LED Driver Copyright 2004 Sipex Corporation
V
....................................................................... 15V
SW Voltage .............................................. -0.4 to 34V
FB Voltage......................................................... 2.5V
All other pins................................... -0.3 to V
+ 0.3V
Current into FB .................................................
±
1mA
T
Max ............................................................. 125
°
C
Operating Temperature Range ............ -40
°
C to 85
°
C
Peak Output Current < 10us SW .................... 500mA
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
CONDITIONS
Input Voltage
V
IN
1.0
13.5
V
Supply Current
I
Q
20
30
μ
A
No Switching
0.01
1
μ
A
SHDN = 0V (off)
Reference Voltage
V
FB
1.17
1.22
1.27
V
FB Hysteresis
HYST
8
mV
V
FB
Input Bias Current
I
FB
15
80
nA
V
FB
= 1.22V
Line Regulation
V
o
/
V
I
0.1
0.3
%/V
1.2
≤
V
IN
≤
13.5V
Switch Off Time
T
OFF
250
nS
Switch Saturation Voltage
V
CESAT
170
450
mV
I
SW
= 325mA
Switch Current Limit
I
LIM
325
450
575
mA
SHDN Bias Current
I
SHDN
5
12
μ
A
V
SHDN
= 3.3V
SHDN High Threshold (on)
V
IH
0.9
V
SHDN Low Threshold (off)
V
IL
0.25
V
Switch Leakage Current
I
SWLK
0.01
5
μ
A
Switch Off, V
SW
= 5V
Storage Temperature ...................... -65
°
C to +150
°
C
Power Dissipation. ......................................... 200mW
Lead Temperature (Soldering, 10 sec) ............ 300
°
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.
PIN DESCRIPTION
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
PIN NUMBER
PIN NAME
DESCRIPTION
1
SW
Switch input to the internal power switch.
2
GND
Ground
3
FB
Feedback
4
SHDN
Shutdown. Pull high (on) to enable. Pull low (off) for shutdown.
5
V
IN
Input Voltage. Bypass this pin with a capacitor as close to the device
as possible.
Specifications are at T
A
=25
°
C, V
IN
=3.3, V
SHDN
=V
IN
,
denotes the specifications which apply over the full operating
temperature range, unless otherwise specified.