參數(shù)資料
型號： S-8340A
廠商： Seiko Instruments Inc.
英文描述： PWM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM控制，高頻步升開關(guān)穩(wěn)壓器-控制器)
中文描述： PWM控制高頻升壓型開關(guān)穩(wěn)壓器控制器（脈寬調(diào)制控制，高頻步升開關(guān)穩(wěn)壓器-控制器）
文件頁數(shù)： 5/38頁
文件大?。?/td> 420K
代理商： S-8340A
PWM Control & PWM/PFM Control High-Frequency Step-Up Switching Regulator-Controllers
S-8340/8341 Series
Rev.1.00
Seiko Instruments Inc.
4
Pin Assignment
See the detailed drawing of the package at the end of this document.
2
3
4
1
8-pinTSSOP
Top view
6
5
7
8
Figure 3
Absolute Maximum Ratings
(Ta = 25 C unless otherwise specified)
Item
Symbol
Ratings
Unit
VDD pin voltage
V
DD
V
SS
-0.3 to 12
V
VOUT pin voltage
V
OUT
V
SS
-0.3 to 12
V
FB pin voltage
V
FB
V
SS
-0.3 to 12
V
CVREF pin voltage
V
CVREF
V
SS
-0.3 to V
DD
+0.3
V
CSS pin voltage
V
CSS
V
SS
-0.3 to V
DD
+0.3
V
ON/OFF pin voltage
V
ON/OFF
V
SS
-0.3 to 12
V
SENSE pin voltage
V
SENSE
V
SS
-0.3 to V
DD
+0.3
V
EXT pin voltage
V
EXT
V
SS
-0.3 to V
DD
+0.3
V
EXT pin current
I
EXT
100
mA
Power dissipation
P
D
300
mW
Operating temperature range
T
OPR
-40 to 85
C
Storage temperature range
T
STG
-40 to 125
C
Note: Although this IC incorporates an electrostatic protection circuit, the user is urged to avoid subjecting it to an extremely
high static electricity or static voltage in excess of the performance of the said protection circuit.
Pin No.
1
Pin Name
VSS
Function
GND pin
Reference voltage source pass capacitor
connection pin
Soft-start capacitor connection pin
Power-off pin
H: Normal operation (Step-up operation)
L: Step-up operation stopped (All circuits
deactivated)
IC power supply pin
Output voltage monitoring pin
(FB for external setting type)
Connection pin for external transistor
Current limit detection pin
2
CVREF
3
CSS
4
ON/OFF
5
6
VDD
VOUT
(FB)
EXT
SENSE
7
8
相關(guān)PDF資料
PDF描述
S-8340B PWM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM控制，高頻步升開關(guān)穩(wěn)壓器-控制器)
S-8341 PWM/PFM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM/PFM控制，高頻步升開關(guān)穩(wěn)壓器-控制器)
S-8341A PWM/PFM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM/PFM控制，高頻步升開關(guān)穩(wěn)壓器-控制器)
S-8341B PWM/PFM Control High-Frequency Step-Up Switching Regulator-Controllers(PWM/PFM控制，高頻步升開關(guān)穩(wěn)壓器-控制器)
S-8420AF BATTERY BACKUP IC FOR 1-CHIP CPU
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S-8340A25AFT-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 安裝風格: 封裝 / 箱體:CPAK
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 安裝風格: 封裝 / 箱體:CPAK
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