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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： | 7/19页 |
| 文件大小： | 276K |
| 代理商： | R1218K072A-TR |
R1218x
15
8-2. Output Voltage Waveform (6LED) (Topt
=25°C)
R1218x062A
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
9) PWM Dimming Control (7LED) VIN
=3.6V, R1=10Ω
9-1. Duty vs. LED Current (7LED) (Topt
=25°C)
R1218x072A
040
60
20
80
100
0
IOUT=5kHz
IOUT=1kHz
IOUT=200Hz
25.0
22.5
20.0
17.5
15.0
12.5
5.0
7.5
10.0
2.5
Duty(%)
LED
C
u
rr
e
n
tI
LED
(mA)
9-2. Output Voltage Waveform (7LED) (Topt
=25°C)
R1218x072A
Output Voltage
CE Input Voltage
Output
Voltage
V
OUT
(V)
CE
Input
Voltage
V
CE
(V)
Time t (ms)
fOSC=200Hz
0
10
20
2.8
2.0
0.4
1.2
0
3.6
0
5
10
Output Voltage
Output
Voltage
V
OUT
(V)
CE
Input
Voltage
V
CE
(V)
Time t (ms)
fOSC=5kHz
0
10
20
0.14
0.10
0.02
0.06
0
0.18
0
5
10
CE Input Voltage
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相关代理商/技术参数 |
参数描述 |
|---|---|
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