ZXLD1362ET5TA Diodes Inc, ZXLD1362ET5TA Datasheet - Page 4

• Manufacturer Part Number: ZXLD1362ET5TA
• Description: LED Drivers 1A/60V LED DRIVER
• Manufacturer: Diodes Inc

Specifications of ZXLD1362ET5TA

• Operating Supply Voltage: 6 V to 60 V
• Maximum Power Dissipation: 1000 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: TSOT-23
• Minimum Operating Temperature: - 40 C
• Led Driver Application: Automotive Lighting, Illuminated Signs
• Topology: Buck (Step Down)
• No. Of Outputs: 1
• Output Current: 1A
• Input Voltage: 6V To 60V
• Dimming Control Type: PWM / DC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Characteristics
Notes:
ZXLD1362
Document number: DS33472 Rev. 3 - 2
V
ΔV
Symbol
D
SENSEHYS
V
I
I
t
I
V
V
DC
LXmean
LX(leak)
PWM(LF)
t
I
I
OFFmin
SENSE
V
R
V
ONmin
INQoff
INQon
SENSE
V
V
REF
ADJoff
ADJon
R
t
f
REF
ADJ
ADJ
SS
LX
SU
SD
LX
ADJ
/ΔT
4. Static current of device is approximately 700µA, see Graph, Page 16.
5. Ratio of maximum brightness to minimum brightness before shutdown V
Internal regulator start-up threshold
Internal regulator shutdown threshold
Quiescent supply current with output off
Quiescent supply current with output
switching (Note 4)
Mean current sense threshold voltage
(Defines LED current setting accuracy)
Sense threshold hysteresis
I
Internal reference voltage
Temperature coefficient of V
External control voltage range on ADJ pin for
DC brightness control Note 3
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
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
SENSE
pin input current
Parameter
(Test conditions: V
REF
REF
www.diodes.com
IN
= 24V, T
4 of 28
ADJ pin grounded
ADJ pin floating, L=68µH,
3 LEDs, f=260kHz
Measured on I
with respect to V
V
V
Measured on ADJ pin with
pin floating
V
V
0< V
V
@ I
PWM frequency <300Hz
PWM amplitude = V
Measured on ADJ pin
Note 5
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=68µH (0.1V)
I
Driving 3 LEDs
LX switch ‘ON’
LX switch ‘OFF’
OUT
ADJ
SENSE
ADJ
ADJ
ADJ
LX
=1A @ V
A
ADJ
=1.25V
>V
falling
rising
REF
= 25°C, unless otherwise specified.)
= 1A
REF
Condition
= V
< V
= 1.25/0.3. V
IN
REF
+100mV
LED
-0.1
SENSE
Diodes Incorporated
IN
=3.6V
REF
A Product Line of
REF
pin
externally driven to 2.5V, ratio 10:1.
0.001
Min.
0.15
10.4
0.3
0.2
95
30
1000:1
Typ.
4.85
4.75
1.25
0.25
14.2
100
±10
300
130
1.8
0.2
0.5
65
50
50
70
5:1
4
2
(a)
Max.
0.27
105
2.5
0.3
1.0
© Diodes Incorporated
90
10
65
18
ZXLD1362
1
5
1
March 2011
ppm/°C
Unit
kHz
mA
mV
ms
µA
µA
kΩ
µA
ns
ns
%
Ω
V
V
V
V
V
V
A