參數(shù)資料
型號: S-8340B00AFT-T2-U
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 690 kHz SWITCHING FREQ-MAX, PDSO8
封裝: HALOGEN FREE AND LEAD FREE, TSSOP-8
文件頁數(shù): 17/55頁
文件大小: 740K
代理商: S-8340B00AFT-T2-U
STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8340/8341 Series
Rev.4.0_00
Seiko Instruments Inc.
24
Standard Circuit
(1) Using MOS FET
Single ground
CS
RS
R2
R1
CC
VSS
VOUT
VO UT
SD
CL
ON/O FF
VDD
L
EXT
VIN
CVREF
CVREF
CSS
CSS
Nch Power
MOS FET
120 mV
RSENSE
SENSE
PW M comparator
VREF =1.0 V
+
Triangular w ave
oscillation circuit
Phase
com pensation
circuit
IC internal power
supply
Error am plifier
PW M , PW M/PFM
sw itching control
circuit
Shutdown
circuit
Soft-start
circuit
Voltage/current
reference
Figure 14 Output Voltage Fixed Output 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
PW M comparator
VREF =1.0 V
+
Triangular w ave
oscillation circuit
Phase
com pensation
circuit
IC internal pow er
supply
Error am plifier
PW M, PW M/PFM
switching control
circuit
Shutdown
circuit
Soft-start
circuit
Voltage/current
reference
Single ground
Figure 15 Output Voltage External Setting Type
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S-8340C25AFT-T2 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-8340C25AFT-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
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