ZXLD1320DCATC Diodes Zetex, ZXLD1320DCATC Datasheet - Page 6

• Manufacturer Part Number: ZXLD1320DCATC
• Description: IC LED DRVR WHITE BCKLGT 14-TDFN
• Manufacturer: Diodes Zetex
• Type: Backlight, White LEDr

Specifications of ZXLD1320DCATC

• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Automotive
• Type - Secondary: High Brightness LED (HBLED)
• Frequency: 600kHz
• Voltage - Supply: 4 V ~ 18 V
• Mounting Type: Surface Mount
• Package / Case: 14-TDFN
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 1.5A
• Internal Switch(s): Yes
• Efficiency: 85%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Other names: ZXLD1320DCATR

DC-DC converter output parameters
Switching NPN transistor
NOTES:
(b) Measured under pulse conditions.
(c) This current is measured via the collectors and emitters of the switch with these connected to ground (0V)
(d) Measured under pulse conditions. Peak Current = Ic
Issue 1 - January 2008
© Zetex Semiconductors plc 2008
Symbol
Toff(100)
Toff(10)
f
V
V
T
Symbol
I
I
I
V
V
h
C
t(on)
t(off)
SW
BON(max)
BON
LXmax
(POK)
FE
OH(POK)
OL(POK)
(BR)CE
CE(sat)
OBO
Discharge pulse width
Discharge pulse width
Parameter
Maximum operating
frequency
POK flag high level output
voltage
POK flag low level output
voltage
POK assertion delay time
Parameter
Average continuous switch
current
Maximum base current into
switch transistor from internal
drive circuit
Base current into switch
transistor using external
resistor (R
to ground
Collector-Emitter breakdown
voltage
Collector-Emitter saturation
voltage
Static forward current transfer
ratio
Output capacitance
Turn-on time
Turn-off time
(b)
BASE
(c)
) from BIAS pin
Conditions
100% Output current
10% Output current
4V<VIN<18V
Output sourcing 0.3µA
Output sinking 1mA
Switch permanently on
Conditions
4V<VIN<18V
BIAS pin at 0V
R
I
I
I
I
I
V
Ic=0 to I
V
I
C
C
C
C
C
C
BIAS
CB
IN
=10µA
=0.1A, I
=2A, I
=200mA, V
=2A, V
=2A to Ic<100µA
6
=10V
=10V,f=1MHz
= 1680Ω
B
C
CE
=50mA
=2A
B
=10mA
=2V
CE
=2V
(d)
Min
Min
300
0.7
30
20
4
2
0
Typ
500
Typ
120
209
116
1.2
50
10
50
64
30
28
ZXLD1320
8
www.zetex.com
Max
Max
VIN
600
700
1.7
0.4
1.5
12
70
Units
Units
KHz
mA
mA
mV
mV
µs
µs
pF
µs
ns
ns
A
V
V
V