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参数资料
| 型号： | ZXLD1321DCATC |
| 厂商： | Diodes Inc |
| 文件页数： | 5/20页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLGT 14-TDFN |
| 特色产品： | LED Driver Solutions |
| 标准包装： | 1 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 闪灯/白光 |
| 类型 - 次要： | 高亮度 LED（HBLED），白色 LED |
| 频率： | 600kHz |
| 电源电压： | 2 V ~ 12 V |
| 输出电压： | 18V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-TDFN 裸露焊盘 |
| 供应商设备封装： | 14-DFN-EP（4x3） |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 125°C |
| 产品目录页面： | 1478 (CN2011-ZH PDF) |
| 其它名称： | ZXLD1321DCADKR |
ZXLD1321
Electrical characteristics ( Test conditions: VIN = 3V, T AMB = 25 ° C unless otherwise stated (a) )
DC-DC converter supply parameters
Symbol
V IN
Parameter
Supply voltage
Conditions
Normal operation
Min
2.0
Typ
Max
12
Units
V
V IN (Start)
Supply voltage for
start-up (b)
Start-up mode
1.2
2.4
V
V UV-
V UV+
Iq
Under-voltage detection threshold
Normal operation to start-up mode
Under-voltage detection threshold
Start-up mode to normal operation
Quiescent current
VIN falling
VIN rising
Measured into VIN
1.8
2.2
1.5
V
V
mA
ADJ pin floating.
(Excluding switch
base current).
I STBY
Standby current
Measured into VIN.
ADJ pin grounded
12
20
μA
V REF
Internal reference voltage
ADJ pin floating
2.0V<VIN<18V
480
500
520
mV
TCO (REF)
Internal reference temperature
coefficient.
50
ppm
/K
NOTES:
(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 guaranteed by design, characterisation and process control.
(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")
DC-DC converter input parameters
Symbol
V SENSE
V SENSE
(SU)
Parameter
Peak switch current sense
voltage
Peak switch current sense
voltage in start-up mode
Conditions
Measured on ISENSE
pin CFB pin at 0V
Measured on ISENSE
pin.
Start-up mode
Min
45
Typ
55
10.5
Max
65
Units
mV
mV
VIN=1.2V
I SENSE
Sense input current
Measured into
ISENSE with pin at
-15
-7
-1
μA
0V. CFB pin at 0V
C FB
Control loop compensation
capacitor
10
nF
V ADJ
External dc control voltage
applied to ADJ pin to adjust
DC brightness
control mode
50
500
mV
output current
V ADJ(th)
Switching threshold of ADJ
pin
Standby state to
normal operation
26
28
30
mV
TCO (VADJ)
Temperature coefficient of
VADJ(th)
+0.3
%/K
R ADJ
Internal resistor between
VREF and ADJ
VADJ<500mV
100
k ?
VADJ(clmp) Clamp voltage on ADJ pin
100μA injected into
575
mV
ADJ pin
Issue 1 - January 2008
? Zetex Semiconductors plc 2008
5
www.zetex.com
相关PDF资料 |
PDF描述 |
|---|---|
| ZXLD1322DCCTC | IC LED DRIVR WHITE BCKLGT 14-DFN |
| ZXLD1350ET5TA | IC LED DRIVR WHITE BCKLGT TSOT-5 |
| ZXLD1352ET5TA | IC LED DRIVER HIGH BRIGHT TSOT-5 |
| ZXLD1356DACTC | IC LED DRIVER WHITE BCKLGT 6-DFN |
| ZXLD1360ET5TA | IC LED DRIVR WHITE BCKLGT TSOT-5 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ZXLD1322 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:BUCK/BOOST MODE DC-DC CONVERTER |
| ZXLD1322DCCTC | 功能描述:直流/直流开关转换器 Buck-Boost DC-DC Con 0.7A output RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| ZXLD1322DCCTC-CUT TAPE | 制造商:DIODES 功能描述:ZXLD1322 Series 15 V 600 kHz 700 mA Buck/Boost Mode DC-DC Converter - DFN-14 |
| ZXLD1322DCTC | 制造商:ZETEX 制造商全称:ZETEX 功能描述:Buck/boost mode DC-DC converter for LED driving with 700mA output and current control |
| ZXLD1350 | 制造商:ZETEX 制造商全称:ZETEX 功能描述:350mA LED driver with internal switch |
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