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参数资料
| 型号： | R1218K072A-TR |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 稳压器 |
| 英文描述： | 1 A SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封装： | 1.80 X 2 MM, HALOGEN FREE AND ROHS COMPLIANT, DFN-6 |
| 文件页数： | 6/19页 |
| 文件大小： | 276K |
| 代理商： | R1218K072A-TR |
R1218x
14
7) PWM Dimming Control (4LED) VIN
=3.6V, R1=10Ω
7-1. Duty vs. LED Current (4LED) (Topt
=25°C)
R1218x041A
5kHz
1kHz
200Hz
060
40
20
80
100
0
7.5
5.0
2.5
10.0
12.5
15.0
20.0
17.5
22.5
25.0
Duty (%)
LED
Current
l
LED
(mA)
7-2. Output Voltage Waveform (4LED) (Topt
=25°C)
R1218x041A
0
2.4
1.6
0.8
3.2
0
20
10
fosc=200Hz
0
5
10
CE
Input
Voltage
V
CE
(V)
Output Voltage
Time (ms)
Output
Voltage
V
OUT
(V)
CE Input Voltage
0
0.12
0.08
0.04
0.16
0
20
10
fosc=5kHz
0
5
10
CE
Input
Voltage
V
CE
(V)
Output Voltage
Time (ms)
Output
Voltage
V
OUT
(V)
CE Input Voltage
8) PWM Dimming Control (6LED) VIN
=3.6V, R1=10Ω
8-1. Duty vs. LED Current (6LED) (Topt
=25°C)
R1218x062A
5kHz
1kHz
200Hz
060
40
20
80
100
0
7.5
5.0
2.5
10.0
12.5
15.0
20.0
17.5
22.5
25.0
Duty (%)
LED
Current
l
LED
(mA)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| R1218N021A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218N022A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218N031A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218N032A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
| R1218N041A | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:Step-up DC/DC converter for White LED Backlight |
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