ZXLD1321DCATC Diodes Zetex, ZXLD1321DCATC Datasheet - Page 7

• Manufacturer Part Number: ZXLD1321DCATC
• Description: IC LED DRVR WHITE BCKLGT 14-TDFN
• Manufacturer: Diodes Zetex
• Type: Backlight, White LEDr

Specifications of ZXLD1321DCATC

• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: Flash/Torch
• Type - Secondary: High Brightness LED (HBLED), White LED
• Frequency: 600kHz
• Voltage - Supply: 2 V ~ 12 V
• Mounting Type: Surface Mount
• Package / Case: 14-TDFN
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 1A
• Internal Switch(s): Yes
• Efficiency: 85%
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Other names: ZXLD1321DCATR

High-side current monitor
Reference current monitor
LED thermal control circuit (TADJ) parameters
Issue 1 - January 2008
© Zetex Semiconductors plc 2008
Symbol
V
V
I
TCO
(MON)
BW
Gm
Acc
Symbol
VADJ
TCO
(MON)
BW
Gm
Acc
Symbol
VT
VT
Gm
M_LOAD
M_VIN
MON
ADJH
ADJL
(TADJ)
Parameter
Supply voltage
Sense voltage
Input current
Temperature coefficient
Bandwidth
Transconductance
Accuracy
Parameter
Adjust Voltage
Temperature Coefficient
Bandwidth
Transconductance
Accuracy
Parameter
Upper threshold voltage
Lower threshold voltage
Transconductance
Iout/ VMON
Iout/ V
Iout/ VTADJ
ADJ
Conditions
Onset of output current
reduction (VTADJ falling)
Output current reduced to
<10% of set value
(VTADJ falling)
Conditions
=V(M_VIN) – V(M_LOAD)
Measured into M_LOAD pin
VMON=10mV
VMON=100mV
VMON=10mV
VMON=100mV
RM = 0.1
VMON = 100mV
Conditions
VADJ=50mV
VADJ=500mV
VADJ=50mV
VADJ=500mV
VADJ=500mV
7
Min
Min
Min
-3
-3
3
0
0
0.08
Typ
100
370
150
350
Typ
160
200
275
200
Typ
2.5
75
50
ZXLD1321
1
3
4
www.zetex.com
Max
Max
Max
200
500
18
3
1
3
Units
mA/V
Units
ppm/
ppm/
Units
mA/V
µA/V
MHz
MHz
KHz
KHz
mV
mV
mV
mV
µA
%
%
V
K
K