Datasheet > 驱动程序和接口 > 显示驱动器> ZXLD1362ET5TA

ZXLD1362ET5TA

更新时间： 2024-02-12 11:25:22

品牌	Logo	应用领域
捷特科 - ZETEX		显示驱动器驱动程序和接口开关接口集成电路光电二极管 PC
页数	文件大小	规格书
32页	867K
描述
1A LED driver with internal switch

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技术参数
数据手册

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ZXLD1362ET5TA 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
包装说明：	TSOT-23, 5 PIN	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.35	Is Samacsys：	N
接口集成电路类型：	LED DISPLAY DRIVER	JESD-30 代码：	R-PDSO-G5
JESD-609代码：	e3	长度：	2.9 mm
湿度敏感等级：	1	复用显示功能：	NO
功能数量：	1	区段数：	1
端子数量：	5	最高工作温度：	125 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	VSSOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH	认证状态：	Not Qualified
座面最大高度：	1 mm	最大供电电压：	60 V
最小供电电压：	6 V	标称供电电压：	24 V
表面贴装：	YES	温度等级：	AUTOMOTIVE
端子面层：	Matte Tin (Sn)	端子形式：	GULL WING
端子节距：	0.95 mm	端子位置：	DUAL
宽度：	1.6 mm	Base Number Matches：	1

ZXLD1362ET5TA 数据手册

ZXLD1362

Reducing output ripple

Peak to peak ripple current in the LED(s) can be reduced, if required, by shunting a capacitor Cled

across the LED(s) as shown below:

V_IN

LED

Cled

V_IN

I_SENSE

ZXLD1362

A value of 1␮F will reduce the supply ripple current by a factor three (approx.). Proportionally

lower ripple can be achieved with higher capacitor values. Note that the capacitor will not affect

operating frequency or efficiency, but it will increase start-up delay, by reducing the rate of rise of

LED voltage.

By adding this capacitor the current waveform through the LED(s) changes from a triangular ramp

to a more sinusoidal version without altering the mean current value .

Operation at low supply voltage

Below the under-voltage lockout threshold (V ) the drive to the output transistor is turned off to

prevent device operation with excessive on-resistance of the output transistor. The output

transistor is not full enhanced until the supply voltage exceeds approximately 17V. At supply

voltages between V and 17V care must be taken to avoid excessive power dissipation due to

the on-resistance.

If the supply voltage is always less than 30V continuous (or less than 40V for less than 0.5s) an

alternative device is available, the ZXLD1360.

Note that when driving loads of two or more LEDs, the forward drop will normally be sufficient

to prevent the device from switching below approximately 6V. This will minimize the risk of

damage to the device.

Thermal considerations

When operating the device at high ambient temperatures, or when driving maximum load

current, care must be taken to avoid exceeding the package power dissipation limits. The graph

below gives details for power derating. This assumes the device to be mounted on a 25mm PCB

with 1oz copper standing in still air.

Provisional version B - July 2007

www.zetex.com

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ZXLD1362QET5TA	DIODES	LED Driver,	获取价格
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ZXLD1366_16	DIODES	HIGH ACCURACY 1A, 60V LED DRIVER WITH AEC-Q100	获取价格
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