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| 型号： | S-8521C30MC-BTP-T2G |
| 元件分类： | 稳压器 |
| 英文描述： | 0.05 A SWITCHING CONTROLLER, 72 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封装： | LEAD FREE, SOT-23, 5 PIN |
| 文件页数： | 9/44页 |
| 文件大小： | 511K |
| 代理商： | S-8521C30MC-BTP-T2G |
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STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.9.0_00
S-8520/8521 Series
Seiko Instruments Inc.
17
1. 3
Overload protection circuit
Types are selectable the S-8520/8521 Series with the overload protection circuit (A, C and E types) or without
the overload protection circuit (B, D and F types).
By the S-8520/8521 Series with the overload protection circuit (A, C and E types), the switching components
and inductor can be protected because the overload protection circuit works and is set to the intermittent mode,
in case of overload or load short-circuit.
But in case of supplying current to load by using 100% duty cycle, select the S-8520/8521 Series without the
overload protection circuit (B, D and F types), according to the conditions of application.
The operation voltage differs in 10 V (A, B and E types) or 16 V (B, D and F types) whether the overload
protection circuit is available or not.
Table 9 shows items for selecting the type according to the requirements of application. Select it matching the
marks ( ) for your requirement.
Table 9
S-8520 Series
S-8521 Series
Item
A
B
C
D
E
F
A
B
C
D
E
F
The need of overload protection circuit
Input voltage exceeds 10 V
Focusing on efficiency of light load status
(1 mA or less)
Using with middle load current (about 200
mA)
Using with large load current (about 1 A)
Focusing on the low ripple voltage
Focusing on downsizing external parts
Remark
: Indispensable condition
: Superiority of requirement
: Particularly superiority of requirement
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相关代理商/技术参数 |
参数描述 |
|---|---|
| S-8521C30MC-BXP-T2 | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:PWM CONTROL & PWM/PFM CONTROL STEP-DOWN SWITCHING REGULATOR-CONTROLLERS |
| S-8521C31MC-BTQ-T2 | 功能描述:DC/DC 开关控制器 3.1V Step-Dn PWM/PFM 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-8521C31MC-BTQT2G | 功能描述:DC/DC 开关控制器 3.1V Step-Dn PWM/PFM 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-8521C31MC-BXQ-T2 | 制造商:SII 制造商全称:Seiko Instruments Inc 功能描述:PWM CONTROL & PWM/PFM CONTROL STEP-DOWN SWITCHING REGULATOR-CONTROLLERS |
| S-8521C32MC-BTR-T2 | 功能描述:DC/DC 开关控制器 3.2V Step-Dn PWM/PFM 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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