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| 型号： | S-1132B45-U5T1U |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 4.5 V FIXED POSITIVE LDO REGULATOR, 0.15 V DROPOUT, PDSO5 |
| 封装： | HALOGEN FREE AND LEAD FREE, SOT-89, 5 PIN |
| 文件页数： | 6/35页 |
| 文件大小： | 414K |
| 代理商： | S-1132B45-U5T1U |
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HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1132 Series
Rev.4.0_00
14
Seiko Instruments Inc.
3. Shutdown pin (ON/OFF pin)
This pin starts and stops the regulator.
When the ON/OFF pin is set to the shutdown level, the operation of all internal circuits stops, and the built-in P-channel
MOS FET output transistor between the VIN pin and VOUT pin is turned off to substantially reduce the current
consumption. The VOUT pin becomes the VSS level due to the internally divided resistance of several hundreds kΩ
between the VOUT pin and VSS pin.
The structure of the ON/OFF pin is as shown in Figure 14. Since the ON/OFF pin is neither pulled down nor pulled
up internally, do not use it in the floating state. In addition, note that the current consumption increases if a voltage of
0.3 V to VIN – 0.3 V is applied to the ON/OFF pin. When the ON/OFF pin is not used, connect it to the VSS pin if the
logic type is “A” and to the VIN pin if it is “B”.
Table 7
Logic Type
ON/OFF Pin
Internal Circuits
VOUT Pin Voltage
Current Consumption
A
“L”: Power on
Operating
Set value
ISS1
A
“H”: Power off
Stopped
VSS level
ISS2
B
“L”: Power off
Stopped
VSS level
ISS2
B
“H”: Power on
Operating
Set value
ISS1
VSS
ON/OFF
VIN
Figure 14
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| S-1132B46-I6T2G | 功能描述:低压差稳压器 - LDO Linear LDO reg Hi 20uA Iq 300mA Iout RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| S-1132B46-M5T1G | 功能描述:低压差稳压器 - LDO Linear LDO Reg Hi 20uA Iq 300mA Iout RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| S-1132B46-M5T1U | 功能描述:IC REG LINEAR 300MA SOT23-5 制造商:ablic u.s.a. inc. 系列:* 包装:剪切带（CT） 零件状态:在售 稳压器数:1 电流 - 输出:300mA 工作温度:-40°C ~ 85°C（TA） 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商器件封装:SOT-23-5 标准包装:1 |
| S-1132B46-U5T1G | 功能描述:低压差稳压器 - LDO Linear LDO Reg Hi 20uA Iq 300mA Iout RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| S-1132B47-I6T2G | 功能描述:低压差稳压器 - LDO Linear LDO reg Hi 20uA Iq 300mA Iout RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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