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ZXLD1371EST16TC

Description
LED Lighting Drivers LED Controller TSSOP TSSOP-16EP T&R 2.5K
Categorysemiconductor    Analog mixed-signal IC   
File Size1MB,42 Pages
ManufacturerDiodes
Websitehttp://www.diodes.com/
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ZXLD1371EST16TC Overview

LED Lighting Drivers LED Controller TSSOP TSSOP-16EP T&R 2.5K

ZXLD1371EST16TC Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerDiodes
Product CategoryLED Lighting Drivers
RoHSDetails
Output Current18 mA
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 150 C
Mounting StyleSMD/SMT
Package / CaseTSSOP-16EP-16
PackagingCut Tape
PackagingMouseReel
PackagingReel
Operating Temperature Range- 40 C to 150 C
TypeLED Driver Controller
Factory Pack Quantity2500
A Product Lin of
ne
Dio
odes Incorpor
rated
ZXLD1371
60V HIGH A
ACCURACY BUCK/BOOS
ST/BUCK-BO
OOST LED D
DRIVER-CONT
TROLLER
Descriptio
on
The ZXLD137 is an LED driver contr
71
D
roller IC for d
driving
external MOSFETs to drive high current LEDs. It is a multi-
topology contr
roller enabling it to efficiently control the c
y
current
through series connected LE
s
EDs. The multi
i-topology enab
bles it
to operate in b
buck, boost and buck-boost co
d
onfigurations.
The 60V capa
ability coupled with its multi-topology cap
d
pability
enables it to b used in a wide range of ap
be
pplications and drive
d
in excess of 15 LEDs in serie
5
es.
The ZXLD137 is a modif
71
fied hysteretic controller us
c
sing a
patent pending control sche
g
eme providing high output c
current
accuracy in a three mod
all
des of operati
ion. High acc
curacy
dimming is ac
chieved throug DC control and high frequency
gh
PWM control.
ns
gnosis. A flag o
output
The ZXLD1371 uses two pin for fault diag
highlights a fa
ault, while the multi-level stat pin gives f
tus
further
information on the exact fault
t.
Pin Assignme
n
ents
TSSOP
P-16EP
ADJ
REF
TADJ
SHP
STATUS
SGND
PGND
N/C
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
GI
PWM
FLAG
ISM
VIN
VAUX
GATE
N/C
Features
0.5% typic output curre accuracy
cal
ent
5 to 60V o
operating voltag range
ge
LED drive supports Buc Boost and B
er
ck,
Buck-boost
configurat
tions
Wide dyna
amic range dim
mming
o
10:1 D dimming
DC
o
1000:1 dimming rang at 500Hz
ge
Up to 1MH switching
Hz
High temp
perature contro of LED curren using T
ADJ
ol
nt
Available in Automotiv Grade wi
ve
ith AEC-Q100 and
0
TS16949 certification
Available in “Green” Mo
olding Compou
und (No Br, Sb with
b)
lead Free Finish/ RoHS Compliant (No 1)
ote
EU Direct
tive 2002/95/EC (R
RoHS) & 2011/65/E (RoHS 2). All ap
EU
pplicable
RoHS exe
emptions applied.
Note 1:
N
Typical Ap
pplication Circuit
VIN 8V to 22V
R1
0R05
C1
10µF
RGI2
75k
R4
R
1.8
8k
RGI1
24k
TH
H1
10
0k
N
VAUX VIN
PWM
GI
ADJ
REF
ISM
ILED = 1A
1 to 6
LEDs
I
L
LED
10
00%
Rth
R
REF
L1
H
33µH
D1
PDS3100
TH1
T
FLAG
Q1
DMN6068LK3
C
OUT
10
0µF
TADJ
ZXLD
D1371
GATE
STATUS
TADJ
SHP NC SGND PGND
C2
330pF
The
ermally connected
10
0%
70°C 85°C
T
LED
Thermal netw
work response in Buck configuratio with:
on
Rth = 1.8
Ω
and TH1 = 1
Ω
(beta = 390
8k
10k
00)
Buck-Boos Diagram Utilizing Thermistor and T
ADJ
st
ZXLD1371
Document number DS35436 Rev. 1 - 2
r:
Curve Sh
howing LED Current vs. T
LED
Febru
uary 2012
© Diodes Incorporated
1 of 42
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