參數(shù)資料
型號(hào)： RH5RH511A-T1
廠商： RICOH COMPANY LTD
元件分類： 穩(wěn)壓器
英文描述： PWM STEP-UP DC/DC CONVERTER
中文描述： 0.25 A SWITCHING REGULATOR, 50 kHz SWITCHING FREQ-MAX, PSSO3
封裝： SOT-23, 3 PIN
文件頁數(shù)： 3/29頁
文件大?。?/td> 199K
代理商： RH5RH511A-T1
2
RH5RH
}
–
}
←
Part Number
↑ ↑
↑
a
b
c
SELECTION GUIDE
In RH5RH Series, the output voltage, the driver, and the taping type for the ICs can be selected at the user's
request. The selection can be made by designating the part number as shown below :
For example, the product with Output Voltage 5.0V, the External Driver (the Oscillator Frequency 100kHz)
and Taping Type T1, is designated by Part Number RH5RH502B-T1.
Code
Description
Setting Output Voltage (V
OUT
):
Stepwise setting with a step of 0.1V in the range of 2.7V to 7.5V is possible.
a
Designation of Driver:
1A: Internal Lx Tr. Driver (Oscillator Frequency 50kHz)
2B: External Tr. Driver (Oscillator Frequency 100kHz)
3B: Internal Tr./External Tr. (selectively available) (Oscillator Frequency 100kHz, with chip
enable function)
b
Designation of Taping Type :
Ex. SOT-89 : T1, T2
SOT-89-5 : T1, T2
(refer to Taping Specifications)
“T1” is prescribed as a standard.
c
RH5RH
BLOCK DIAGRAM
Lx
Vss
EXT
LxSW
CE
Error Amp.
OUT
V
LX
limiter
Buffer
PWM control
OSC
Chip Enable
Slow start
Phase Comp.
Vref
+
–
Error Amp. (Error Amplifier) has a DC gain of 80dB, and Phase Comp. (Phase Compensation Circuit)
provides the frequency characteristics including the 1st pole (fp=0.25Hz) and the zero point (fz=2.5kHz).
Furthermore, another zero point (fz=1.0kHz) is also obtained by the resistors and a capacitor connected to
the OUT pin.
(Note) Lx Pin............only for RH5RH
××
1A and RH5RH
××
3B
EXT Pin.........only for RH5RH
××
2B and RH5RH
××
3B
CE Pin...........only for RH5RH
××
3B
相關(guān)PDF資料
PDF描述
RH5RH511A-T2 PWM STEP-UP DC/DC CONVERTER
RH5RH512B-T1 PWM STEP-UP DC/DC CONVERTER
RH5RH512B-T2 PWM STEP-UP DC/DC CONVERTER
RH5RH513B-T1 PWM STEP-UP DC/DC CONVERTER
RH5RH513B-T2 PWM STEP-UP DC/DC CONVERTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
RH5RH511A-T2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM STEP-UP DC/DC CONVERTER
RH5RH512B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
RH5RH512B-T1 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM STEP-UP DC/DC CONVERTER
RH5RH512B-T2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:PWM STEP-UP DC/DC CONVERTER
RH5RH513B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*