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R1223N252G-TR中文資料理光數(shù)據(jù)手冊PDF規(guī)格書
R1223N252G-TR規(guī)格書詳情
The R1223N Series are PWM step-down DC/DC Converter controllers with low supply current by CMOS process. Each of these ICs consists of an oscillator, a PWM control circuit, a reference voltage unit, an error amplifier, a soft-start circuit, a protection circuit, a PWM/VFM alternative circuit, a chip enable circuit, and resistors for voltage detection. A low ripple, high efficiency step-down DC/DC converter can be easily composed of this IC with only four external components, or a power-transistor, an inductor, a diode and a capacitor.
FEATURES
Range of Input Voltage · · · · · · · · · · · · ·2.3V~13.2V
Built-in Soft-start Function and Two choices of Protection Function (Latch-type or Reset type)
Two choices of Oscillator Frequency · · · · · ·300kHz, 500kHz
High Efficiency · · · · · · · · · · · · · · · · · ·TYP. 90
Output Voltage · · · · · · · · · · · · · · · · ·Stepwise Setting with a step of 0.1V in the range of 1.5V ~5.0V
Standby Current · · · · · · · · · · · · · · · · ·TYP. 0μA
High Accuracy Output Voltage · · · · · · · · · ·±2.0
Low Temperature-Drift Coefficient of Output Voltage · · · · ·TYP. ±100ppm/°C
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|---|---|---|---|---|---|---|---|
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23+ |
SOT235 |
6000 |
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21+ |
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90 |
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24+ |
SOT23-5 |
990000 |
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詢價 | ||
SOT-153 |
23+ |
NA |
15659 |
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詢價 | ||
RICOH(理光) |
1932+ |
SOT-23-5 |
2789 |
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詢價 | ||
RICOH |
22+23+ |
New |
34321 |
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詢價 | ||
RICOH |
589220 |
16余年資質(zhì) 絕對原盒原盤 更多數(shù)量 |
詢價 | ||||
RICOH |
1822+ |
SOT23-5 |
9852 |
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ROHS |
56520 |
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RICOH |
22+ |
SOT23-5 |
35552 |
原裝正品現(xiàn)貨 |
詢價 |
