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TL1466IPM PDF预览

TL1466IPM

更新时间： 2024-11-01 13:14:43
品牌 Logo 应用领域
德州仪器 - TI 开关控制器
页数 文件大小 规格书
24页 375K
描述
0.5A SWITCHING CONTROLLER, 800kHz SWITCHING FREQ-MAX, PQFP64, PLASTIC, LQFP-64

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TL1466IPM 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：QFP包装说明：LFQFP, QFP64,.47SQ,20
针数：64Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.22
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：12 V
最小输入电压：2.5 V标称输入电压：6 V
JESD-30 代码：S-PQFP-G64JESD-609代码：e4
长度：10 mm湿度敏感等级：3
功能数量：6端子数量：64
最高工作温度：75 °C最低工作温度：-20 °C
最大输出电流：0.5 A封装主体材料：PLASTIC/EPOXY
封装代码：LFQFP封装等效代码：QFP64,.47SQ,20
封装形状：SQUARE封装形式：FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度（摄氏度）：220认证状态：Not Qualified
座面最大高度：1.6 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：SINGLE
最大切换频率：800 kHz技术：BIPOLAR
温度等级：COMMERCIAL EXTENDED端子面层：NICKEL PALLADIUM GOLD
端子形式：GULL WING端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：10 mmBase Number Matches：1

TL1466IPM 数据手册

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SLVS262 − FEBRUARY 2000  
D
D
High-Speed Output Circuit to Drive PNP  
Power Transistor  
D
D
D
D
D
D
Output Voltage Limit (Channel 5 and 6)  
Low Supply Current  
Precision Reference Voltage . . . 1.5 V 2%  
Internal Undervoltage Lockout Protection  
Internal Short-Circuit Protection  
Shutdown Function  
at T = 25°C  
A
D
Oscillator Frequency . . . 50 kHz to 0.8 MHz  
D
Low Supply Voltage Operation V  
to 12 V  
= 2.5 V  
CC  
External Sink Current Setting on Output  
Stage  
description  
The TL1466I is a six channel pulse-width-modulation (PWM) control circuit. This device contains reference  
voltage with a precision of 2%, a triangle wave oscillator capable of high frequency oscillation up to 0.8 MHz,  
various protection circuitry, and shutdown circuitry. The output regulation voltage for each channel is set by an  
external resistor divider. Moreover, the output stage is capable of driving a PNP power transistor with high  
speed. The high frequency/efficiency switching operation eliminates switching loss by using internal over-drive  
circuitry at the rising edge and with reverse bias connecting external bootstrap capacitor at the falling edge. The  
MOSFET can be used in parallel with the output diode at channel 1 and 4. This results in further high efficiency  
operation replacing the constant time with this MOSFET when the output diode is turned on. Furthermore, it  
operates 2.5 V supply voltage and balances switching current by switching repeatedly at the reverse phase with  
two pairs (channel 1, 4, 6, and 2, 3, 5) of the six channels. The oscillator output of channel 1, 4, and 6 is reverse  
phase for channel 2, 3, and 5. As a result of these features, this device is well-suited for power supply of portable  
systems in battery-powered equipment.  
FUNCTION TABLE FOR STANDBY  
INPUT  
STANDBY STANDBY-3  
V ≤ 0.4 V  
OUTPUT  
VREF  
OFF  
ON  
OUTPUT1, 2, 4, 5, 6 OUTPUT3  
†
X
OFF  
ON  
OFF  
ON  
I
V ≥ 2 V  
I
V ≥ 2 V  
I
V ≤ 0.4 V  
ON  
ON  
OFF  
I
†
X: High-level or low-level  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
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Copyright 2000, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...24

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