ZXLD1374_11 DIODES [Diodes Incorporated], ZXLD1374_11 Datasheet - Page 5

• Manufacturer Part Number: ZXLD1374_11
• Description: 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST
• Manufacturer: DIODES [Diodes Incorporated]

ZXLD1374
Document number: DS35032 Rev. 2 - 2
Electrical Characteristics
Notes:
Supply and reference parameters
DC-DC converter parameters
High-Side Current Monitor (Pin ISM)
V
V
V
Symbol
SENSE_acc
V
SENSE-OC
I
REF_LINE
t
I
ΔV
SB-AUX
PWMoff
I
V
Q-AUX
V
REF-TC
I
T
V
T
V
I
SB-IN
I
PWM
I
V
Q-IN
ADJ
I
ISM
SDH
SDL
UV+
REF
ADJ
UV-
GI
REF
GI
8. The ADJ and GI pins have an internal clamp that limits the internal node to less than 3V. This limits the switch current should those pins get
overdriven.
Under-Voltage detection threshold
Normal operation to switch disabled
Under-Voltage detection threshold
Switch disabled to normal operation
Quiescent current into V
Quiescent current into V
Standby current into V
Standby current into V
Internal reference voltage
Change in reference voltage with output
current
Reference voltage line regulation
Reference temperature coefficient
External dc control voltage applied to ADJ
pin to adjust output current (Note 8)
ADJ input current (Note 8)
GI Voltage threshold for Boost and Buck-
boost modes selection (Note 8)
GI input current (Note 8)
PWM input current
PWM pulse width
(to enter shutdown state)
Thermal shutdown upper threshold
(LX output inhibited)
Thermal shutdown lower threshold
(LX output re-enabled)
Input Current
Accuracy of nominal V
voltage
Over-current sense threshold voltage
Parameter
IN
AUX
SENSE
IN
AUX
.
(Test conditions: V
.
threshold
60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST
www.diodes.com
V
V
PWM pin floating.
Output not switching
PWM pin grounded
for more than 15ms
No load
Sourcing 1mA
Sinking 25µA
V
DC brightness control mode
10% to 200%
V
V
V
V
V
V
PWM input low
Temperature rising.
Temperature falling.
Measured into ISM pin and
V
V
IN
IN
IN
IN
ADJ
ADJ
ADJ
GI
GI
PWM
ISM
ADJ
= V
or V
or V
= V
≤ 2.5V
= 5.0V
5 of 37
= V
AUX
≤ 2.5V
= 5.0V
= 1.25V
= 1.25V
LED DRIVER CONVERTER WITH AEC-Q100
= 5.5V
AUX
AUX
AUX
IN
= 12V, T
, 6.5V<V
falling
rising
Conditions
A
= 25°C, unless otherwise specified.)
IN
= <60V
Diodes Incorporated
A Product Line of
1.237 1.25 1.263
0.125 1.25
Min
300
5.2
5.5
-60
10
-5
±0.25
+/-50
Typ
150
150
125
350
-90
5.6
1.5
0.7
90
36
15
11
6
© Diodes Incorporated
ZXLD1374
Max
300
150
100
100
100
375
2.5
6.3
6.5
0.8
25
10
20
±2
5
3
5
5
March 2011
ppm/°C
Units
mA
mV
mV
µA
µA
µA
µA
µA
µA
ms
µA
dB
nA
nA
ºC
ºC
%
V
V
V
V
V