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参数资料
| 型号： | L6902N |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 287 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封装： | MINI, DIP-8 |
| 文件页数： | 2/7页 |
| 文件大小： | 50K |
| 代理商： | L6902N |
L6902
2/7
DESCRIPTION (Continued)
Other protections as on chip overvoltage protection, thermal shutdown together the internal frequency modula-
tion complete the device for a safe and reliable application.
The internal fixed switching frequency of 250KHz, and the possibility to have the device in SO-8 pin allows to
built an ultra compact battery charger with a minimum board space.
PIN CONNECTION
PIN DESCRIPTION
THERMAL DATA
(*) Package mounted on board.
N
°
Pin
Function
1
OUT
Regular Output
2
CS+
Current Error Amplifier input (current sense at higher voltage)
3
CS-
Current Error Amplifier input (current sense at lower voltage)
4
COMP
E/A output to be used for frequency compensation
5
FB
Stepdown feedback input. Connecting directly to this pin results in an output voltage of 1.23V. An
external resistive divider is required for higher output voltages.
6VREF
3.3V VREF. No cap is need for stability.
7
GND
Ground
8
VCC
Unregulated DC input voltage.
Symbol
Parameter
Minidip
SO8
Unit
Rth j-amb
Thermal Resistance Junction to Ambient Max.
75 (*)
110 (*)
°C/W
8
6
4
7
3
2
5
1
OU T
CS +
CS -
CO M P
VC C
GN D
VR E F
FB
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L6910 | 功能描述:DC/DC 开关控制器 5.0 to 12V Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| L6910_05 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:ADJUSTABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION |
| L6910A | 功能描述:DC/DC 开关控制器 5.0 to 12V Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| L6910ATR | 功能描述:DC/DC 开关控制器 5.0 to 12V Step-Down RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| L6910G | 功能描述:电压模式 PWM 控制器 Adjustable Step Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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