ZXLD1371QESTTC Diodes Inc. / Zetex, ZXLD1371QESTTC Datasheet - Page 5

• Manufacturer Part Number: ZXLD1371QESTTC
• Description: MOSFET LED Controller TSSOP TSSOP-16EP T&R 2.5K
• Manufacturer: Diodes Inc. / Zetex

Specifications of ZXLD1371QESTTC

• Rohs: yes

Electrical Characteristics
ZXLD1371
Document number: DS35436 Rev. 1 - 2
Supply and reference parameters
V
V
I
I
I
I
V
ΔV
V
V
DC-DC converter parameters
I
V
I
I
t
T
T
High-Side Current Monitor (Pin ISM)
I
V
V
Q-IN
Q-AUX
SB-IN
SB-AUX
ADJ
GI
PWM
PWMoff
ISM
Notes:
SDH
SDL
UV-
UV+
REF
REF_LINE
REF-TC
GI
SENSE_acc
SENSE-OC
Symbol
REF
8.
9.
UVLO levels are such that all ZXLD1371 will function above 5.4V for rising supply voltages and function down to 5V for falling supply voltages.
The ADJ and GI pins have an internal clamp that limits the internal node to less than 3V. This provides some failsafe 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
ADJ input current (Note 9)
GI Voltage threshold for boost and buck-
boost modes selection (Note 9)
GI input current (Note 9)
PWM input current
PWM pulse width
(to enter shutdown state)
Thermal shutdown upper threshold
(GATE output forced low)
Thermal shutdown lower threshold
(GATE output re-enabled)
Input Current
Accuracy of nominal V
voltage
Over-current sense threshold voltage
Parameter
IN
AUX
SENSE
(Test conditions: V
IN
AUX
.
.
threshold
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
V
V
V
V
V
V
PWM input low
Temperature rising.
Temperature falling.
Measured into ISM pin V
V
IN
IN
IN
ADJ
ADJ
ADJ
GI
GI
PWM
ADJ
IN
5 of 42
or V
or V
= V
≤ 1.25V
= 5.0V
= V
≤ 1.25V
= 5.0V
= 1.25V
= 1.25V
= 5.5V
AUX
AUX
AUX
AUX
, 8.0V<V
falling (Note 8)
rising (Note 8)
Conditions
= 12V, T
IN
= <60V
A
ISM
= 25°C, unless otherwise specified.)
Diodes Incorporated
A Product Line of
= 12V
1.237
Min
300
-60
10
-5
±0.25
1.25 1.263
Typ
150
±50
150
125
350
4.5
4.9
1.5
0.7
-90
90
36
15
11
© Diodes Incorporated
February 2012
ZXLD1371
Max
300
150
100
100
100
375
0.8
10
25
20
±2
3
5
5
5
ppm/°C
Units
mA
mV
mV
µA
µA
µA
dB
nA
µA
nA
µA
µA
ms
µA
ºC
ºC
%
V
V
V
V