SP6691 Datasheet, PDF (2/15 Pages) Sipex Corporation – Micro Power Boost Regulator Series White LED Driver

V_IN ....................................................................... 15V
SW Voltage .............................................. -0.4 to 34V
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
ABSOLUTE MAXIMUM RATINGS
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.
ELECTRICAL CHARACTERISTICS
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.
PARAMETER
Input Voltage
Supply Current
SYMBOL MIN
V_IN
1.0
I_Q
Reference Voltage
FB Hysteresis
V_FB Input Bias Current
Line Regulation
Switch Off Time
Switch Saturation Voltage
Switch Current Limit
SHDN Bias Current
SHDN High Threshold (on)
SHDN Low Threshold (off)
Switch Leakage Current
V_FB
HYST
I_FB
∆V_o/∆V_I
T_OFF
V_CESAT
I_LIM
I_SHDN
V_IH
V_IL
I_SWLK
1.17
325
0.9
TYP
20
0.01
1.22
8
15
0.1
250
170
450
5
0.01
MAX UNITS
13.5
V
30
µA
1
µA
1.27
V
mV
80
nA
0.3 %/V
nS
450 mV
575 mA
12
µA
V
0.25
V
5
µA
♦
CONDITIONS
♦ No Switching
♦ SHDN = 0V (off)
♦
♦ V_FB = 1.22V
1.2 ≤ V_IN ≤ 13.5V
♦ I_SW = 325mA
♦
♦ V_SHDN = 3.3V
♦ Switch Off, V_SW = 5V
PIN NUMBER
1
2
3
4
5
PIN NAME
SW
GND
FB
SHDN
V_IN
PIN DESCRIPTION
DESCRIPTION
Switch input to the internal power switch.
Ground
Feedback
Shutdown. Pull high (on) to enable. Pull low (off) for shutdown.
Input Voltage. Bypass this pin with a capacitor as close to the device
as possible.
Date: 5/25/04
SP6691 Micro Power Boost Regualtor, Series White LED Driver
2
© Copyright 2004 Sipex Corporation