ZXLD1350ET5 Diodes Inc, ZXLD1350ET5 Datasheet - Page 4

• Manufacturer Part Number: ZXLD1350ET5
• Description: IC, LED DRIVER, BUCK, TSOT-23-5
• Manufacturer: Diodes Inc

Specifications of ZXLD1350ET5

• Led Driver Application: Automotive Lighting, Illuminated Signs
• No. Of Outputs: 1
• Output Current: 350mA
• Output Voltage: 30V
• Input Voltage: 7V To 30V
• Dimming Control Type: PWM / DC
• Topology: Buck
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ZXLD1350
Document number: DS33468 Rev. 8 - 2
Electrical Characteristics
Notes:
V
I
I
V
V
I
V
DV
V
V
V
R
I
R
I
D
D
f
t
INQoff
INQon
SENSE
LXmean
LX(leak)
LX
SS
SU
SENSE
SENSEHYS
REF
ADJ
ADJoff
ADJon
ADJ
LX
PWM(LF)
PWM(HF)
Symbol
REF
/DT
3. Production testing of the device is performed at 25°C. Functional operation of the device and parameters specified over a -40°C to +105°C
4. 100% brightness corresponds to V
temperature range, are guaranteed by design, characterization and process control.
proportionally.
Internal regulator start-up 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
Temperature coefficient of V
External control voltage range on ADJ pin for
DC brightness control (Note 4)
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
Duty cycle range of PWM signal applied to ADJ
pin during high frequency PWM dimming mode
Brightness control range
Operating frequency
(See graphs for more details)
Start up time
(See graphs for more details)
SENSE
pin input current
Parameter
ADJ
(Test conditions: V
= V
REF
ADJ(nom)
REF
= V
REF
www.diodes.com
IN
. Driving the ADJ pin above V
= 12V, T
4 of 22
V
ADJ pin grounded
ADJ pin floating
f = 250kHz
Measured on I
with respect to V
V
V
Measured on ADJ pin with
pin floating
V
V
PWM frequency <500Hz
PWM amplitude = V
Measured on ADJ pin
PWM frequency <10kHz
PWM amplitude = V
Measured on ADJ pin
ADJ pin floating
L = 100H (0.82V)
I
Driving 1 LED
Time taken for output
current to reach 90% of final
value after voltage on ADJ
pin has risen above 0.3V.
OUT
IN
ADJ
SENSE
ADJ
ADJ
amb
= 350ma @ V
30V 350mA LED DRIVER with AEC-Q100
rising
= 1.25V
falling
rising
= 25°C, unless otherwise specified.)
= V
Condition
IN
-0.1
SENSE
REF
LED
IN
Diodes Incorporated
will increase the V
= 3.4V
REF
REF
A Product Line of
pin
Min.
1.21
0.15
0.01
0.16
135
0.3
0.2
95
SENSE
100:1
threshold and output current
Typ.
1.25
1.25
0.25
250
100
±15
250
500
4.8
0.2
1.5
5:1
15
50
(Note 3)
© Diodes Incorporated
Max.
ZXLD1350
1.29
0.25
0.37
500
105
250
2.5
0.3
20
10
2
1
1
1
March 2011
ppm/°
Unit
kHz
mV
µA
µA
µA
kΩ
µA
µs
%
V
V
C
V
V
V
Ω
A