zxld1360 Zetex Semiconductors plc., zxld1360 Datasheet - Page 2

• Manufacturer Part Number: zxld1360
• Description: 1a Led Driver With Internal Switch
• Manufacturer: Zetex Semiconductors plc.

Absolute maximum ratings (voltages to GND unless otherwise stated)
Electrical characteristics
NOTES:
(a) Production testing of the device is performed at 25°C. Functional operation of the device and parameters specified over
(b) 100% brightness corresponds to V
Issue 1 - March 2007
© Zetex Semiconductors plc 2007
Symbol
V
V
V
I
I
V
V
I
V
V
V
V
Input voltage (V
I
LX output voltage (V
Adjust pin input voltage (V
Switch output current (I
Power dissipation (P
(Refer to package thermal de-rating curve on page 16)
Operating temperature (T
Storage temperature (T
Junction temperature (T
These are stress ratings only. Operation outside the absolute maximum ratings may cause device failure. Operation
at the absolute maximum ratings, for extended periods, may reduce device reliability.
Thermal resistance
Junction to ambient (R
INQoff
INQon
SENSE
SENSE
SENSEHYS
ADJ
ADJoff
ADJon
IN
SU
SD
SENSE
REF
V
a -40°C to +105°C temperature range, are guaranteed by design, characterization and process control.
threshold and output current proportionally.
REF
/ T Temperature coefficient of V
voltage (V
Parameter
Input voltage
Internal regulator start-up threshold V
Internal regulator shutdown
threshold
Quiescent supply current
with output off
Quiescent supply current
with output switching
Mean current sense threshold
voltage
(Defines LED current setting accuracy)
Sense threshold hysteresis
I
Internal reference voltage
External control voltage range on
ADJ pin for DC brightness control
DC voltage on ADJ pin to switch
device from active (on) state to
quiescent (off) state
DC voltage on ADJ pin to switch
device from quiescent (off) state
to active (on) state
SENSE
IN
SENSE
)
pin input current
tot
LX
)
)
)
ST
LX
JA
j MAX
OP
)
)
)
ADJ
)
)
(test conditions: V
ADJ
)
= V
ADJ(nom)
REF
(b)
= V
Conditions
V
ADJ pin grounded
ADJ pin floating
f = 250kHz
Measured on I
pin with respect to V
V
V
Measured on ADJ pin
with pin floating
V
V
-0.3V to +30V (40V for 0.5 sec)
+0.3V to -5V (measured with respect to V
-0.3V to +30V (40V for 0.5 sec)
-0.3V to +6V
1.25A
1W
-40 to 125°C
-55 to 150°C
150°C
125°C/W
REF
ADJ
ADJ
ADJ
IN
IN
SENSE
2
IN
. Driving the ADJ pin above V
rising
falling
=12V, T
= 1.25V
falling
rising
= V
IN
amb
-0.1
SENSE
=25°C unless otherwise stated)
IN
Min.
0.15
0.3
0.2
95
7
REF
will increase the V
Typ.
5.65
5.55
1.25
1.25
0.25
100
±15
1.8
0.2
ZXLD1360
20
50
www.zetex.com
Max.
0.25
105
5.0
2.5
0.3
30
40
10
IN
)
ppm/K
Unit
mA
mV
SENSE
%
V
V
V
V
V
V
V
(a)
A
A
.