ZXLD1322DCCTC Diodes Zetex, ZXLD1322DCCTC Datasheet - Page 5

• Manufacturer Part Number: ZXLD1322DCCTC
• Description: IC LED DRIVR WHITE BCKLGT 14-DFN
• Manufacturer: Diodes Zetex
• Type: Backlight, White LEDr

Specifications of ZXLD1322DCCTC

• Topology: PWM, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: General Purpose
• Type - Secondary: White LED
• Frequency: 600kHz
• Voltage - Supply: 2.5 V ~ 15 V
• Mounting Type: Surface Mount
• Package / Case: 14-DFN
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 700mA
• Internal Switch(s): Yes
• Efficiency: 80%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Other names: ZXLD1322DCCTR

ZXLD1322
Document number: DS32166 Rev. 3 - 2
Electrical Characteristics
DC-DC Converter Supply Parameters
Notes:
DC-DC Converter Input Parameters
DC-DC Converter Output Parameters
V
V
V
V
Iq
I
V
T
V
V
(SU)
I
C
V
V
T
(V
R
V
(CLMP)
Toff(100)
Toff(10)
f
f
Symbol
STBY
Symbol
SENSE
Symbol
LXMAX
SU
CO(REF)
CO
IN
IN(Start)
UV
UV
REF
SENSE
SENSE
FB
ADJ
ADJ(th)
ADJ
ADJ
ADJ
-
+
)
(a) Production testing of the device is performed at 25°C. Functional operation of the device and parameters specified from -40°C to +125°C are
(b) Between 1.2V and 2.2V the device will run in the Low Voltage Startup Mode (for details refer to section "Low Voltage Operation")
guaranteed by design, characterization and process control.
Supply Voltage
Supply voltage for start-up(b)
Under-voltage detection threshold
normal operation to start-up mode
Under-voltage detection threshold
start-up mode to normal operation
Quiescent Current
Standby Current
Internal Reference Voltage
Internal Reference Temperature
Coefficient
Discharge pulse width
Discharge pulse width
Maximum operating frequency
Switching frequency in start-up mode
Peak switch current sense voltage
Peak switch current sense voltage in
start-up mode
Sense input current
Control loop compensation capacitor
External DC control voltage applied to
ADJ pin to adjust output current
Switching threshold of ADJ pin
Temperature coefficient of V
Internal resistor between V
ADJ
Clamp voltage on ADJ pin
Parameter
Parameter
Parameter
(Test conditions: V
REF
ADJ(th)
and
Normal Operation
Start-up mode
VIN falling
VIN rising
2.5V<V
Measured into V
Excluding switch base current).
Measured into V
ADJ pin floating
IN
100% Output current
10% Output current
VIN = 1.2V
www.diodes.com
Measured on I
at 0V
Measured on I
mode VIN = 1.2V
Measured into I
0V. CFB pin at 0V
DC brightness control mode
Standby state to normal operation
V
100μA injected into ADJ pin
= 4V, T
ADJ
IN
<15V
5 of 17
<550mV
AMB
Condition
Condition
= 25°C unless otherwise stated
IN
IN
Condition
. ADJ pin grounded
ADJ pin floating.
SENSE
SENSE
SENSE
pin CFB pin
pin. Start-up
with pin at
Diodes Incorporated
A Product Line of
Min.
0.7
4
Min.
480
2.5
1.2
Min.
(a)
-15
50
26
45
)
Typ.
1.2
50
8
Typ.
500
1.8
2.2
1.5
12
50
Typ.
10.5
+0.3
100
575
55
10
28
-7
Max.
600
1.7
Max.
12
© Diodes Incorporated
520
2.4
15
20
Max.
ZXLD1322
500
65
30
-1
April 2010
ppm/K
Unit
Unit
KHz
KHz
mA
mV
µA
Unit
µs
µs
%/K
V
V
V
V
mV
mV
mV
mV
mV
µA
kΩ