参数资料
型号: S-1135A17-U5T1U
元件分类: 固定正电压单路输出LDO稳压器
英文描述: 1.7 V FIXED POSITIVE LDO REGULATOR, 0.38 V DROPOUT, PDSO5
封装: HALOGEN AND LEAD FREE, SOT-89, 5 PIN
文件页数: 13/48页
文件大小: 496K
代理商: S-1135A17-U5T1U
HIGH RIPPLE-REJECTION LOW DROPOUT MIDDLE OUTPUT CURRENT CMOS VOLTAGE REGULATOR
S-1135 Series
Rev.2.0_00
Seiko Instruments Inc.
20
Operation
1.
Basic operation
Figure 20 shows the block diagram of S-1135 Series.
The error amplifier compares the reference voltage (Vref) with Vfb, which is the output voltage resistance-divided by
feedback resistors Rs and Rf. It supplies the gate voltage necessary to maintain the constant output voltage which is
not influenced by the input voltage and temperature change, to the output transistor.
*1
*1.
Parasitic diode
VSS
Current
supply
+
Vfb
Vref
VIN
VOUT
Rf
Rs
Error
amplifier
Reference voltage
circuit
Figure 20
2.
Output transistor
In the S-1135 Series, a low on-resistance P-channel MOS FET is used as the output transistor.
Be sure that VOUT does not exceed VIN + 0.3 V to prevent the voltage regulator from being damaged due to inverse
current flowing from the VOUT pin through a parasitic diode to the VIN pin.
相关PDF资料
PDF描述
S-1135A24-A6T1U 2.4 V FIXED POSITIVE LDO REGULATOR, 0.32 V DROPOUT, PDSO6
S-1135A24-M5T1U 2.4 V FIXED POSITIVE LDO REGULATOR, 0.32 V DROPOUT, PDSO5
S-1135A24-U5T1U 2.4 V FIXED POSITIVE LDO REGULATOR, 0.32 V DROPOUT, PDSO5
S-1135B25-A6T1U 2.5 V FIXED POSITIVE LDO REGULATOR, 0.32 V DROPOUT, PDSO6
S-1135B25-M5T1U 2.5 V FIXED POSITIVE LDO REGULATOR, 0.32 V DROPOUT, PDSO5
相关代理商/技术参数
参数描述
S-1135A18-A6T1S 制造商:Seiko Instruments Inc (SII) 功能描述:LINEAR LDO REG HI 60UA IQ 300MA IOUT
S-1135A18-A6T1U 功能描述:IC REG LINEAR 300MA HSNT6A 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:6-SMD,扁平引线裸焊盘 供应商器件封装:HSNT-6A 标准包装:1
S-1135A18-M5T1U 功能描述:IC REG LINEAR 300MA SOT89-5 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-1135A18-U5T1U 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-1135A1J-A6T1S 制造商:Seiko Instruments Inc (SII) 功能描述:LINEAR LDO REG HI 60UA IQ 300MA IOUT