参数资料
型号: S-8340A25AFT-T2
元件分类: 稳压器
英文描述: 0.1 A SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO8
封装: TSSOP-8
文件页数: 17/53页
文件大小: 855K
代理商: S-8340A25AFT-T2
STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8340/8341 Series
Rev.2.2_00
Seiko Instruments Inc.
24
(2) Using Bipolar Transistor
CS
RS
R2
R1
CC
VSS
VOUT
VOUT
SD
CL
ON/OFF
VDD
L
EXT
VIN
CVREF
CVREF
CSS
CSS
NPN
Bipolar
Transistor
120 mV
RSENSE
SENSE
PWM comparator
VREF =1.0 V
+
Cb
Triangular wave
oscillation circuit
Phase
compensation
circuit
IC internal power
supply
Error amplifier
PW M, PW M/PFM
switching control
circuit
Shutdown
circuit
Soft-start
circuit
Voltage/current
reference
Single ground
Rb
Figure 16 Output Voltage Fixed Output Type
Cb
CS
RS
RFB2
RFB1
CFB
VSS
VOUT
FB
SD
CL
ON/OFF
VDD
L
EXT
VIN
CVREF
CVREF
CSS
CSS
NPN
Bipolar
Transistor
120 mV
RSENSE
SENSE
PWM comparator
VREF =1.0 V
+
Triangular wave
oscillation circuit
Phase
compensation
circuit
IC internal power
supply
Error amplifier
PW M, PW M/PFM
switching control
circuit
Shutdown
circuit
Soft-start
circuit
Voltage/current
reference
Single ground
Rb
Figure 17 Output Voltage External Setting Type
Caution The above connection and constant will not guarantee successful operation. Perform thorough
evaluation using the actual application to set the constant.
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相关代理商/技术参数
参数描述
S-8340A25AFT-T2-G 功能描述:DC/DC 开关控制器 2.5V Step-Up 2.0% 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
S-8340A30AFT-T2 功能描述:DC/DC 开关控制器 3.0V Step-Up 2.0% 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
S-8340A30AFT-T2-G 功能描述:DC/DC 开关控制器 3.0V Step-Up 2.0% 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
S-8340A33AFT-T2 功能描述:DC/DC 开关控制器 3.3V Step-Up 2.0% 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
S-8340A33AFT-T2-G 功能描述:DC/DC 开关控制器 3.3V Step-Up 2.0% 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