ZXLD1370EST16TC Diodes Zetex, ZXLD1370EST16TC Datasheet - Page 6

• Manufacturer Part Number: ZXLD1370EST16TC
• Description: IC LED DRVR HIGH BRIGHT TSSOP-16
• Manufacturer: Diodes Zetex
• Type: HBLED Driverr

Specifications of ZXLD1370EST16TC

• Constant Current: *
• Constant Voltage: *
• Topology: *
• Number Of Outputs: *
• Internal Driver: *
• Type - Primary: *
• Type - Secondary: *
• Frequency: *
• Voltage - Supply: *
• Voltage - Output: *
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Operating Temperature: *
• Current - Output / Channel: *
• Internal Switch(s): No
• Efficiency: 95%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ZXLD1370EST16TCTR

ZXLD1370
Document number: DS32165 Rev. 4 - 2
Electrical Characteristics
Output Parameters
Driver output (PIN GATE)
Notes:
LED Thermal control circuit (T
V
V
I
I
V
R
V
Symbol
TADJ
FLAGOFF
V
V
V
TADJH
TADJL
t
GATECL
STATUS
STATUS
I
STALL
GATEH
FLAGL
GATEL
GATE
10. Flag is asserted if V
11. GATE is switched to the supply voltage V
12. GATE is switched to PGND by an NMOS transistor
13. If t
9. In the event of more than one fault/warning condition occurring, the higher priority condition will take precedence. E.g. ‘Excessive coil current’ and
‘Out of regulation’ occurring together will produce an output of 0.9V on the STATUS pin. The voltage levels on the STATUS output assume the
Internal regulator to be in regulation and V
minimum value of 6V.
internally to prevent it exceeding 15V.
grounded internally and the SHP pin is switched to its nominal operating voltage, before operation is allowed to resume. Restart cycles will be
repeated automatically until the operating conditions are such that normal operation can be sustained. If t
remain off until normal operation is possible.
FLAG pin low level output voltage
FLAG pin open-drain leakage current
STATUS Flag no-load output voltage
(Note 9)
Output impedance of STATUS output
High level output voltage
Low level output voltage
High level GATE CLAMP voltage
Dynamic peak current available during
rise or fall of output voltage
Time to assert ‘STALL’ flag and
warning on STATUS output
(Note 13)
Upper threshold voltage
Lower threshold voltage
T
ON
ADJ
exceeds t
pin Input current
STALL
SHP
, the device will force GATE low to turn off the external switch and then initiate a restart cycle. During this phase, ADJ is
<2.5V or V
Parameter
ADJ
(Continued)
) parameters
SHP
>3.5V
AUX
ADJ
<=V
for low values of V
REF
(Test conditions: V
Output sinking 1mA
V
Normal operation
Out of regulation (V
(Note 10)
V
Switch stalled (t
Over-temperature (T
Excess sense resistor current
(V
Normal operation
No load Sourcing 1mA
(Note 11)
Sinking 1mA, (Note 12)
V
I
Charging or discharging gate of
external switch with Q
400kHz
GATE low or high
Onset of output current reduction
(V
Output current reduced to <10% of
set value (V
V
GATE
. A reduction of the voltage on the STATUS pin will occur when the voltage on V
FLAG
IN
IN
www.diodes.com
TADJ
SENSE
TADJ
= V
under-voltage (V
= 1mA
=40V
= 1.25V
6 of 36
AU X
falling)
> 0.32V)
AUX
= V
TADJ
(i.e. between 6V and approximately 12V). For V
Conditions
ISM
ON
falling)
IN
= 18V
= V
SHP
or t
IN
J
> 125°C)
G
AUX
< 5.6V)
OFF
out of range)
= 10nC and
= 12V, T
> 100µs)
Diodes Incorporated
A Product Line of
A
= 25°C, unless otherwise specified.)
Min
560
380
4.2
3.3
3.3
3.3
1.5
0.6
10
OFF
±300
exceeds t
12.8
Typ
100
625
440
4.5
3.6
3.6
3.6
1.8
0.9
10
11
AUX
>12V, GATE is clamped
© Diodes Incorporated
STALL
Max
ZXLD1370
170
690
500
4.8
3.9
3.9
0.5
3.9
2.1
1.2
0.5
15
1
1
March 2011
, the switch will
IN
Units
is near the
mA
mV
mV
kΩ
µA
µA
µs
V
V
V
V
V