參數(shù)資料
型號(hào): CAT4201
元件分類(lèi): LED驅(qū)動(dòng)器
英文描述: 350mA High Efficiency Step Down LED Driver
中文描述: 350mA的高效率LED驅(qū)動(dòng)下步
文件頁(yè)數(shù): 3/15頁(yè)
文件大?。?/td> 330K
代理商: CAT4201
CAT4201
Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
3
Doc. No. MD-5025 Rev. B
TYPICAL OPERATION CHARACTERISTICS
V
IN
= 13V, I
LED
= 300mA, L = 22
μ
H, C
1
= 4.7
μ
F, C
2
= 10
μ
F, T
AMB
= 25°C unless otherwise specified
Input Operating Supply Current
0.0
0.2
0.4
0.6
0.8
1.0
8
10 12 14 16 18 20 22 24
INPUT VOLTAGE [V]
Q
Idle Mode Supply Current (CTRL = 0V)
0
50
100
150
200
0
4
8
12
16
20
24
INPUT VOLTAGE [V]
I
μ
A
CTRL Input Bias Current
0
50
100
150
200
250
0
2
4
6
8
10
12
CTRL VOLTAGE [V]
C
μ
A
RSET Voltage vs. Temperature
1.10
1.15
1.20
1.25
1.30
-40
0
40
80
120
TEMPERATURE [°C]
R
VIN = 13V
RSET Voltage vs. CTRL Voltage
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
1
2
3
4
CTRL VOLTAGE [V]
R
+25°C
-40°C
+ 85°C
LED Current vs. RSET
0
100
200
300
400
5
10
15
20
25
30
35
RSET [k
]
L
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