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UCC2808APWTR-2G4 PDF预览

UCC2808APWTR-2G4

更新时间: 2024-11-28 15:55:55
品牌 Logo 应用领域
德州仪器 - TI 信息通信管理开关光电二极管
页数 文件大小 规格书
14页 500K
描述
1A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO8, GREEN, TSSOP-8

UCC2808APWTR-2G4 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:TSSOP, TSSOP8,.25针数:8
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.18
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:13 V
最小输入电压:4.3 V标称输入电压:10 V
JESD-30 代码:R-PDSO-G8JESD-609代码:e4
长度:4.4 mm湿度敏感等级:2
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:-40 °C
最大输出电流:1 A封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.2 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:1000 kHz技术:BICMOS
温度等级:INDUSTRIAL端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

UCC2808APWTR-2G4 数据手册

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SLUS456D − APRIL 1999 - REVISED AUGUST 2002  
D OR N PACKAGE  
(TOP VIEW)  
D
D
D
D
D
D
D
Dual Output Drive Stages in Push-Pull  
Configuration  
Current Sense Discharge Transistor to  
Improve Dynamic Response  
1
2
3
4
8
7
6
5
VDD  
COMP  
OUTA  
OUTB  
GND  
FB  
CS  
RC  
130-µA Typical Starting Current  
1-mA Typical Run Current  
Operation to 1 MHz  
Internal Soft Start  
PW PACKAGE  
(TOP VIEW)  
On-Chip Error Amplifier With 2-MHz Gain  
Bandwidth Product  
1
8
7
6
5
OUTA  
VDD  
COMP  
FB  
OUTB  
GND  
RC  
D
On Chip VDD Clamping  
2
3
4
D
Output Drive Stages Capable of 500-mA  
Peak-Source Current, 1-A Peak-Sink Current  
CS  
description  
The UCC3808A is a family of BiCMOS push-pull, high-speed, low-power, pulse-width modulators. The UCC3808A  
contains all of the control and drive circuitry required for off-line or dc-to-dc fixed frequency current-mode switching  
power supplies with minimal external parts count.  
The UCC3808A dual output drive stages are arranged in a push-pull configuration. Both outputs switch at half the  
oscillator frequency using a toggle flip-flop. The dead time between the two outputs is typically 60 ns to 200 ns  
depending on the values of the timing capacitor and resistors, thus limiting each output stage duty cycle to less than  
50%.  
block diagram  
FB  
2
COMP  
1
CS  
3
8
7
VDD  
OVERCURRENT  
COMPARATOR  
22 k  
PEAK CURRENT  
COMPARATOR  
14 V  
0.75 V  
2.0 V  
0.5 V  
2.2 V  
S
OUTA  
VDD OK  
OSCILLATOR  
Q
Q
PWM  
LATCH  
R
S
R
1.2R  
Q
Q
S
Q
R
VDD−1 V  
T
PWM  
COMPARATOR  
VDD  
0.5 V  
R
SOFT START  
6
5
OUTB  
GND  
VOLTAGE  
REFERENCE  
SLOPE = 1 V/ms  
4
Note: Pinout shown is for SOIC and PDIP packages. TSSOP pinout is different.  
RC  
UDG-00097  
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.  
ꢑꢣ  
Copyright 2002, Texas Instruments Incorporated  
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ꢠꢘ  
ꢡꢣ  
1
www.ti.com  

UCC2808APWTR-2G4 替代型号

型号 品牌 替代类型 描述 数据表
UCC2808APW-2G4 TI

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UCC2808APWTR-2 TI

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LOW POWER CURRENT MODE PUSH-PULL PWM

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