Kingbor Technology Co.,Ltd
TEL:(86)0755-26508846 FAX:(86)0755-26509052
KB3386
0
400mA Buck/Boost Charge Pump LED Driver
ABSOLUTE MAXIMUM RATINGS
V
IN
, V
OUT ......................................................................
-0.3V to 6V
Output Current Pulse (Flash) .......................... 500mA
Output Current Continuous (Torch) ................. 200mA
Storage Temperature ...................... -65°C to +150°C
Operating Temperature ..................... -40°C to +85°C
V
EN
......................................................... ZeroV to 7V
3x3 10 DFN .........................................O
JA
= 57.1°C/W
ESD Rating. ................................................ 2kV HBM
(Ta=+25
0
C)
ELECTRICAL CHARACTERISTICS
(Ta=+25 C)
0
T
A
= -40°C to +85°C, V
IN
= 3.6, C
IN
= 2.2 F, C
FC
= 0.47 F, C
OUT
= 1.0 F. 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
TYP.
MAX.
5.5
UNITS
V
mA
CONDITIONS
0.5
2
3
V
IN
= 2.7 - 5.5V FLASH = 0Volts,
Iload = 100µA
FLASH = V
IN,
2x mode
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
250
145
1.3
138
45
2.4
5
0.6
150
50
1
µA
MHz
V
IN
= 5.5V, V
EN
= 0Volts
V
FB
= 0Volts, V
IN
= 3.6V
0.8
162
55
0.5
0.4
mV
mV
µA
V
V
0.5
500
µA
µs
ºC
V
IN
= 3.6V, FB within 90% of
regulation
V
IN
= 3.6V
FLASH = V
IN
R
SET
= 106K
FLASH = GND
V
FB
= 0.3V
3
KINGBOR [ KINGBOR TECHNOLOGY CO ]
