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參數(shù)資料
| 型號： | R1280D002A-TR |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2CH PWM DC/DC Controller |
| 中文描述： | 0.05 A DUAL SWITCHING CONTROLLER, 805 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封裝： | 0.90 MM HEIGHT, SON-10 |
| 文件頁數(shù)： | 24/26頁 |
| 文件大小： | 344K |
| 代理商： | R1280D002A-TR |
Rev.1.10 - 24 -
External Components
Inductor L1,2: 6.8
μ
H, LDR655312T(TDK)
Diode: FS1J3 (Origin Electronics)
NMOS: IR7601 (International Rectifier)
PMOS: Si3443 (Siliconix)
Resistors: R1, R2, R3, R4 for Setting Output Voltage. Recommendation values are R1+R2
≤
100k
or R3+R4
≤
100k
R5=43k
, R6=10k
Capacitors: Ceramic Capacitor
(Example)
C1=C2=10
μ
F, C3=4.7
μ
F, C4=0.33
μ
F, C5=0.33
μ
F, C6=120pF, C7=50pF, C8=1
μ
F
Note: Maximum voltage tolerance of each component should be considered. With the transistor shown above is
appropriate to set up to
±
15V as output voltage.
I
APPLICATION EXAMPLE
G
R1280D002A/C
L1
NMOS
EXT1
EXT2
GNDV
IN
AMPOUT1
Vrefout
DTC1
DTC2
V
FB1
V
FB2
R1
R2
C1
PMOS
C8
R3
R4
C3
L2
C2
C9
C4
R11
R10
C6
VOUT1
VOUT2
R7
R8
R5
C5
R9
Diode
VOUT3
C10
C11
C7
R6
External Components
Inductor L1,2: 6.8
μ
H, LDR655312T(TDK) for A version, 22
μ
H for R1280D002C
Diode: FS1J3 (Origin Electronics)
NMOS: IR7601 (International Rectifier)
PMOS: Si3443 (Siliconix)
Resistors: R1, R2, R3, R4 for Setting Output Voltage. Recommendation values are R1+R2
≤
100k
or R3+R4
≤
100k
R5=43k
, R6=10k
, R7=R9=22k
, R8=R10=43k
, R11=220k
Capacitors: Ceramic Capacitor
(Example)
R1280D002A: C1=C2=10
μ
F, C3=4.7
μ
F, C4=0.22
μ
F, 5=0.47
μ
F,C6=120pF,C7=50pF,C8=C10=C11=1
μ
F,C9=1000pF
R1280D002C:C1=C2=10
μ
F,C3=4.7
μ
F, C4=0.22
μ
F,C5=0.47
μ
F,C6=220pF,C7=330pF,C8=C10=C11=1
μ
F,C9=1000pF
This IC can be used 3 Output TFT Bias Circuit as shown above. V
OUT3
=2
×
V
OUT1
-Vf
Note: Maximum voltage tolerance of each component should be considered. With the transistor shown above is
appropriate to set up to +15V as V
OUT1
, -15V as V
OUT2,
30V as V
OUT3.
相關PDF資料 |
PDF描述 |
|---|---|
| R1280D002B | 2CH PWM DC/DC Controller |
| R1280D002B-TR | Linear Sensor Photodiode Array; 1536x1 Sensor-Elements Organization; 400 Dots-Per-Inch (DPI) Sensor Pitch; High Linearity and Uniformity; Wide Dynamic Range 4000:1 (72 dB); Low Image Lag 0.5% Typ; Operation to 8MHz |
| R1280D002C | |
| R1280D002C-TR | |
| R1280D002X | Linear Sensor Photodiode Array; 896x1 Sensor-Elements Organization; 200 Dots-Per-Inch (DPI) Sensor Pitch; High Linearity and Uniformity; Wide Dynamic Range 2000:1 (66 dB); Low Image Lag 0.5% Typ; Operation to 5MHz |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| R1280D002B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2CH PWM DC/DC Controller |
| R1280D002B-TR | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2CH PWM DC/DC Controller |
| R1280D002C | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2CH PWM DC/DC Controller |
| R1280D002C-TR | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2CH PWM DC/DC Controller |
| R1280D002X | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2CH PWM DC/DC Controller |
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