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: 12/53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.
2
Block Diagrams
(1) S-8340/8341 Series A and C Types (Output Voltage Fixed Output Type)
CS
RS
R2
R1
CC
VSS
VOUT
VOUT
SD
CL
ON/OFF
VDD
L
EXT
Shutdown
circuit
VIN
CVREF
CVREF
CSS
CSS
Nch Power
MOS FET
120 mV
RSENSE
SENSE
PWM comparator
Error amplifier
VREF =1.0 V
+
PWM, PWM/PFM
switching control
circuit
Triangular wave
oscillation circuit
Phase
IC internal power
compensation
Soft-start
circuit
Voltage/current
reference
circuit
supply
Figure 1
(2) S-8340/8341 Series B and D Types (Output Voltage External Setting Type)
CS
RS
RFB2
RFB1
CFB
VSS
VOUT
FB
SD
CL
ON/OFF
VDD
L
EXT
VIN
CVREF
CVREF
CSS
CSS
Nch Power
MOS FET
120 mV
RSENSE
SENSE
PWM comparator
VREF =1.0 V
+
Triangular wave
oscillation circuit
Phase
compensation
circuit
IC internal power
supply
Error amplifier
PWM, PWM/PFM
switching control
circuit
Shutdown
circuit
Soft-start
circuit
Voltage/current
reference
Figure 2
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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