SP6691_07 Datasheet, PDF (2/15 Pages) Sipex Corporation – SOT23Micro Power Boost Regulator Series White LED Driver

ABSOLUTE MAXIMUM RATINGS
V_IN ....................................................................... 15V
SW Voltage .............................................. -0.4 to 30V
FB Voltage ......................................................... 2.5V
All other pins ................................... -0.3 to V_IN + 0.3V
Current into FB ................................................. ±1mA
T_J Max ............................................................. 125°C
Operating Temperature Range ............ -40°C to 85°C
Peak Output Current < 10us SW .................... 500mA
Storage Temperature ...................... -65°C to +150°C
Power Dissipation. ......................................... 200mW
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.
ELECTRICAL CHARACTERISTICS
Specifications are at T_A = 25°C, V_IN = 3.3, V_SHDN = V_IN, z denotes the specifications which apply over the full operating
temperature range, unless otherwise specified.
PARAMETER
SYMBOL MIN TYP MAX UNITS z
CONDITIONS
Input Voltage
Supply Current
V_IN
1.0
13.5
V
I_Q
20
30
µA
0.01
1
µA
Reference Voltage
V_FB
1.17 1.22 1.27
V
FB Hysteresis
HYST
8
mV
V_FB Input Bias Current
Line Regulation
I_FB
6V_o/6V_I
15
80
nA
0.1 0.3 %/V
Switch Off Time
T_OFF
250
nS
Switch Saturation Voltage V_CESAT
170 450 mV
Switch Current Limit
SHDN Bias Current
SHDN High Threshold (on)
I_LIM
I_SHDN
V_IH
325 450 575 mA
5
12
µA
0.9
V
SHDN Low Threshold (off)
Switch Leakage Current
V_IL
I_SWLK
0.25
V
0.01
5
µA
z No Switching
z SHDN = 0V (off)
z
z V_FB = 1.22V
1.2 ) V_IN ) 13.5V
z I_SW = 325mA
z
z V_SHDN = 3.3V
z Switch Off, V_SW = 5V
PIN DESCRIPTION
PIN NUMBER
1
2
3
3
5
6
7
8
PIN NAME
NC
FB
NC
SW
GND
V_IN
SHDN
NC
8 PIN DFN DESCRIPTION
No connect.
Feedback.
No connect.
Switch input to the internal power switch
Ground
Input Voltage. Bypass this pin with a capacitor as close to the device
as possible.
Shutdown. Pull high (on) to enable. Pull low (off) for shutdown.
No connect.
Jun26-07 Rev D
Micro Power Boost Regulator Series White LED Driver

© 2007 Sipex Corporation