ZXLD1370_11 DIODES [Diodes Incorporated], ZXLD1370_11 Datasheet - Page 4

• Manufacturer Part Number: ZXLD1370_11
• Description: 60V HIGH ACCURACY BUCK/BOOST/BUCK-BOOST LED DRIVER CONTROLLER
• Manufacturer: DIODES [Diodes Incorporated]

ZXLD1370
Document number: DS32165 Rev. 3 - 2
Absolute Maximum Ratings
These are stress ratings only. Operation outside the absolute maximum ratings may cause device failure.
Operation at the absolute maximum rating for extended periods may reduce device reliability.
Recommended Operating Conditions
Notes:
V
V
V
V
V
I
V
V
V
V
T
T
GATE
V
V
V
V
V
I
f
V
f
t
V
V
T
GI
Symbol
J
ST
IN
AUX
ISM
SENSE
GATE
FLAG
PWM
TADJ
PWM
REF
max
PWM
PWMH/L
IN
AUX
ISM
SENSE
ADJ
TADJ
PWMH
PWML
J
Symbol
, V
, V
1. The functional range of V
2. V
3. The device contains circuitry to control the switching frequency to approximately 400kHz. The maximum and minimum operating frequency are not
4. This gives maximum resolution at the expense of accuracy. To ensure accuracy the following equation should be used: 2*Resolution *f
ADJ
GI
tested in production.
normal values for V
be applied to V
,
AUX
,
Input supply voltage range
Auxiliary supply voltage range (Note 2)
Current sense monitor input range
Reference external load current
Recommended PWM dimming frequency range
(Note 4)
PWM pulse width in dimming mode
PWM pin high level input voltage
PWM pin low level input voltage
Operating Junction Temperature Range
Gain setting ratio for boost and buck-boost modes
Differential input voltage
External dc control voltage applied to ADJ
pin to adjust output current
Recommended switching frequency range
(Note 3)
Temperature adjustment (T
range
can be driven from a voltage higher than V
Input supply voltage relative to GND
Auxiliary supply voltage relative to GND
Current monitor input relative to GND
Current monitor sense voltage (V
Gate driver output voltage
Gate driver continuous output current
Flag output voltage
Other input pins
Maximum junction temperature
Storage temperature
AUX
IN
in the absence of a voltage at V
and V
IN
is the voltage range over which the device will function. Output current and device parameters may deviate from their
AUX
Parameter
voltages between 6V and 8V, depending upon load and conditions.
Parameter
ADJ
(Voltages to GND Unless Otherwise Stated)
) input voltage
IN
to provide higher efficiency at low V
IN
.
IN
-V
www.diodes.com
ISM
)
4 of 35
Normal operation
Functional (Note 1)
Normal operation
Functional
V
DC brightness control mode
from 10% to 200%
REF sourcing current
To achieve 1000:1 resolution
To achieve 500:1 resolution
Ratio= V
PWM input high or low
VIN
Performance/Comment
-V
ISM
GI
, with 0 ≤ V
/V
-0.3 to 5.5
-55 to 150
-0.3 to 65
-0.3 to 65
-0.3 to 65
-0.3 to 20
-0.3 to 40
IN
-0.3 to 5
Rating
ADJ
voltages, but to avoid false operation; a voltage should not
150
18
Diodes Incorporated
A Product Line of
ADJ
≤ 2.5
0.125
0.002
0.20
Min
300
100
100
6.3
6.3
6.3
-40
8
8
0
0
2
0
© Diodes Incorporated
1000
V
1000
Max
Unit
500
125
ZXLD1370
450
0.50
2.5
mA
5.5
0.4
60
60
February 2011
60
10
°C
°C
REF
V
V
V
V
V
V
V
1
PWM
Unit
kHz
mV
mA
< f
Hz
Hz
ms
°C
V
V
V
V
V
V
V
SWH