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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： | 3/53页 |
| 文件大小： | 855K |
| 代理商： | S-8340A25AFT-T2 |
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STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.2.2_00
S-8340/8341 Series
Seiko Instruments Inc.
11
External parts
Coil :
Sumida Corporation CD54 (10
H)
Diode :
Matsushita Electronic Industrial Co., Ltd. MA735 (Schottky type)
Capacitor :
Nichicon Corporation F93 (16 V, 47
F, tantalum type)
Transistor :
Sanyo Electric Co., Ltd. 2SD1628G
Base resistor (Rb) :
1.0 k
Base capacitor (Cb) : 2200 pF (ceramic type)
CVREF :
0.01
F
CSS :
4700 pF
The VDD pin is connected to the VOUT pin.
The ON/OFF pin is connected to the VOUT pin unless otherwise specified.
Connect the SENSE pin to the VSS pin.
*1. VOUT(S) : Set output voltage value
VOUT(E) : Actual output voltage value : Output voltage value when IOUT
= VOUT(S)/50 and VIN = VOUT(S) × 0.6.
*2. The change of output voltage with temperature [mV/
°C] is calculated from the following formula.
VOUT
TaVOUT
[mV/
°C]
VOUT
Ta
VOUT(S) [V]
=
×
[ppm/
°C] ÷ 1000
(Change of output voltage
(Set output voltage (Output voltage temperature
with temperature)
value)
coefficient)
Caution The S-8340/8341 Series steps up from VDD = 0.9 V. However, 2.5 V or more for VDD is recommended to
stabilize the output voltage and oscillation frequency. If VDD is taken from VIN or other power sources,
instead of VOUT, VDD should be 2.5 V or more. However, if VDD is not taken from VOUT, note that the output
voltage accuracy of
±2.0% is not guaranteed due to dependency of output voltage on VDD. In particular,
accuracy of output voltage is degraded significantly when the VDD voltage is 6.0 V or more. Therefore, do
not use this IC when the VDD voltage is 6.0 V or more. If VDD of 2.5 V or more is applied, increase power
supply so that VDD becomes 2.5 V or more within the soft-start time (6.0 ms).
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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 |
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