om5448 Hendon Semiconductors, om5448 Datasheet - Page 2

• Manufacturer Part Number: om5448
• Description: Low Voltage Led Driver And Boost Converter
• Manufacturer: Hendon Semiconductors

4
4.1
5
Unless otherwise specified all voltages are specified with respect to V
2007 May 28, Revision 1.0
operating input supply voltage range
maximum output voltage (peak)
maximum output load current (average)
maximum output current (peak)
supply current in active mode (OP high, OFF)
supply current in active mode (OP low, ON)
supply current in standby mode
oscillation frequency
enable threshold voltage (referred to VCC)
total power dissipation
operating ambient temperature range
maximum operating junction temperature
PINNING INFORMATION
QUICK REFERENCE DATA
Pinning layout
Fig.2 Pin configuration
2
4.2
VCC
VEE
SETI
OP
EN
SYMBOL
Pin description
EE
.
V
V
I
I
I
I
I
F
V
P
T
T
outavg
outmax
active
active
stb
OP
amb
jmax
sup
OPmax
EN
tot
1
2
3
4
5
PIN
Low Voltage LED Driver
and Boost Converter
Positive supply
Negative supply
Set output trip current
Output drive, active low
Enable, active high
1 to 3.5 V
14 V
250 mA
500 mA
700 µA typ.
1.7 mA typ
700 µA typ.
80 kHz typ.
−590 mV
200 mW max
−40 to +85 °C
150 °C
DESCRIPTION
Product Specification
OM5448