參數(shù)資料
型號(hào): S-8340A25AFT-T2
元件分類: 穩(wěn)壓器
英文描述: 0.1 A SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO8
封裝: TSSOP-8
文件頁(yè)數(shù): 17/53頁(yè)
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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參數(shù)描述
S-8340A25AFT-T2-G 功能描述:DC/DC 開關(guān)控制器 2.5V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
S-8340A30AFT-T2 功能描述:DC/DC 開關(guān)控制器 3.0V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
S-8340A30AFT-T2-G 功能描述:DC/DC 開關(guān)控制器 3.0V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
S-8340A33AFT-T2 功能描述:DC/DC 開關(guān)控制器 3.3V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
S-8340A33AFT-T2-G 功能描述:DC/DC 開關(guān)控制器 3.3V Step-Up 2.0% RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK