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參數(shù)資料
| 型號(hào)： | R1218K031ATR |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | 1.80 X 2 MM, HALOGEN FREE AND ROHS COMPLIANT, DFN-6 |
| 文件頁(yè)數(shù)： | 5/19頁(yè) |
| 文件大?。?/td> | 276K |
| 代理商： | R1218K031ATR |
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R1218x
13
R1218x072A
08
12
416
20
0
100
90
80
70
60
50
20
30
40
10
LED Current ILED (mA)
Efficiency
η
(%)
VIN=4.2V
6) PWM Dimming Control (2LED) VIN
=3.6V, R1=10Ω
6-1. Duty vs. LED Current (2LED) (Topt
=25°C)
R1218x021A
5kHz
1kHz
200Hz
060
40
20
80
100
Duty (%)
0
7.5
5.0
2.5
10.0
12.5
15.0
20.0
17.5
22.5
25.0
LED
Current
l
LED
(mA)
6-2. Output Voltage Waveform (2LED) (Topt
=25°C)
R1218x021A
0
2.4
1.6
0.8
3.2
CE
Input
Voltage
V
CE
(V)
0
10
5
fosc=200Hz
0
5
10
Output Voltage
Time (ms)
Output
Voltage
V
OUT
(V)
CE Input Voltage
0
0.12
0.08
0.04
0.16
0
10
5
fosc=5kHz
0
5
10
CE
Input
Voltage
V
CE
(V)
Output Voltage
Time (ms)
Output
Voltage
V
OUT
(V)
CE Input Voltage
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R1218K072A-TR | 1 A SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PDSO6 |
| R1221N15AC-TR-FA | 0.025 A SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO6 |
| R1221N30AF-TR-FA | 0.025 A SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO6 |
| R1221N38AC-TR-FA | 0.025 A SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO6 |
| R1221N38AE-TR-FA | 0.025 A SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO6 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1218K041A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218K052A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218K062A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218N021A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218N022A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
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