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参数资料
| 型号： | S1F78100Y2B0 |
| 元件分类： | 固定正电压单路输出标准稳压器 |
| 英文描述： | 5 V FIXED POSITIVE REGULATOR, PSSO3 |
| 封装： | PLASTIC, SOT-89, 3 PIN |
| 文件页数： | 16/21页 |
| 文件大小： | 169K |
| 代理商： | S1F78100Y2B0 |
S1F78100Y Series
S1F70000 Series
EPSON
3–3
Technical Manual
S1F78100Y
Series
FUNCTIONAL DESCRIPTIONS
S1F78100Y Series is a fixed positive output type volt-
age regulator of series regulator system and is fitted
with an output control MOS transistor between the in-
put and output pins as shown in the figure below. The
voltage regulator feeds back voltages (VREG) divided
with the built-in resistors R1 and R2 connected between
VDD
(2pin)
VSS
(1pin)
VO
(3pin)
R2
R1
VREF
+
–
(VREG)
(Output control transistor)
(Operational amplifier)
the output pin (VO pin) and the VSS pin to compare
them with the reference voltage (VREF) and outputs the
stable output voltage (V0) not depending on input volt-
age by controlling the gate voltage of the output control
transistor. The output voltage is fixed inside and is de-
cided with the following formula:
VO =
R1+R2
VREF
R1
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| S1F78100Y2C0 | 3.2 V FIXED POSITIVE REGULATOR, PSSO3 |
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| S1F78100Y2G0 | 1.8 V FIXED POSITIVE REGULATOR, PSSO3 |
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| S1F78B17B18000R | 功能描述:开关变换器、稳压器与控制器 Voltage regulator RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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