ZXLD1366_10 DIODES [Diodes Incorporated], ZXLD1366_10 Datasheet - Page 4

• Manufacturer Part Number: ZXLD1366_10
• Description: HIGH ACCURACY 1A, 60V LED DRIVER WITH INTERNAL SWITCH
• Manufacturer: DIODES [Diodes Incorporated]

Notes:
ZXLD1366
Document number: DS31992 Rev. 5 - 2
Electrical Characteristics
V
R
I
R
I
D
DC
T
f
T
T
T
f
D
LXmean
LX(leak)
LX
LXmax
Symbol
SS
ONmin
OFFmin
PWmin_REC
ADJon
ADJ
LX
PWM(LF)
LX
ADJ
(*)
(*) Ratio of maximum brightness to minimum brightness before shutdown VREF = 1.25/0.3. VREF externally driven to 2.5V, ratio 10:1.
(†) Parameters are not tested at production. Parameters are guaranteed by design, characterization and process control.
DC voltage on ADJ pin to switch device
from quiescent (off) state to active (on)
state
Resistance between ADJ pin and V
Continuous LX switch current
LX switch ‘On’ resistance
LX switch leakage current
Duty cycle range of PWM signal applied to
ADJ pin during low frequency PWM
dimming mode
Brightness control range
DC Brightness control range
Soft start time
Operating frequency
(See graphs for more details)
Minimum switch ‘ON’ time
Minimum switch ‘OFF’ time
Recommended minimum switch
pulse width
Recommended maximum operating
frequency
Recommended duty cycle range of output
switch at f
LXmax
Parameter
(Test conditions: V
REF
www.diodes.com
IN
= 24V, T amb = 25°C, unless otherwise specified.)
V
0< V
V
@ I
PWM frequency <300Hz
PWM amplitude = V
Measured on ADJ pin
See note
Time taken for output
current to reach 90% of
final value after voltage on
ADJ pin has risen above
0.3V. Requires external
capacitor 22nF. See
graphs for more details
ADJ pin floating
L=68mH (0.2V)
I
Driving 3 LEDs
LX switch ‘ON’
LX switch ‘OFF’
LX switch ‘ON’ or ‘OFF’
4 of 32
OUT
ADJ
ADJ
LX
=1A @ V
ADJ
>V
rising
= 1A
REF
< V
Condition
(*)
REF
+100mV
LED
=3.6V
REF
Diodes Incorporated
A Product Line of
0.001
Min.
10.4
0.2
0.3
30
1000:1
130
Typ.
70
0.25
14.2
260
800
5:1
0.5
50
2
(†)
(†)
(a)
(cont.)
© Diodes Incorporated
Max.
0.75
500
0.3
0.7
65
18
1
5
1
ZXLD1366
June 2010
Unit
kHz
kHz
kΩ
ms
µA
ns
ns
ns
Ω
V
A