參數(shù)資料
型號: TPS60251RTW
廠商: Texas Instruments, Inc.
英文描述: HIGH EFFICIENCY CHARGE PUMP FOR 7 WLEDs WITH I2C INTERFACE
中文描述: 高效電荷泵7,帶有I2C接口個WLED
文件頁數(shù): 7/28頁
文件大小: 515K
代理商: TPS60251RTW
www.ti.com
90
80
70
60
50
E
3
4
5
6
V - Input Voltage - V
15 mA, V = 3.43 V
25 mA, V = 3.79 V
100
80
60
40
20
3
4
5
6
E
V - Input Voltage - V
0.5 mA, V = 2.7 V
0.2 mA, V = 2.6 V
1 mA, V = 2.8 V
-40
-20
0
20
40
60
80
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1
1.05
1.10
S
T
- Free-Air Temperature - °C
A
I
LED
= 100 mA
V = 3.6 V
V = 3.9 V
V = 3.3 V
-40
-20
0
20
40
60
80
0.70
0.75
0.80
0.85
0.90
0.95
1
1.05
1.10
1.15
T
- Free-Air Temperature - °C
A
V = 3.6 V
V = 3.9 V
I
LED
= 230 mA
V = 3.3 V
S
TPS60251
SLVS767–APRIL 2007
TYPICAL CHARACTERISTICS (continued)
DESCRIPTION
REF
Figure 9
Figure 10
Shutdown Current
Input Current
DM5 with Maximum 80
mA
Current Accuracy
Shutdown Current vs Input Voltage
Input Current vs Supply Voltage, 4 Main LED
DM5 Current vs Input Voltage, Programmed with 80 mA
Figure 11
WLED Current vs Input Voltage, 4 Main LED with 15 mA
Figure 12
EFFICIENCY
vs
INPUT VOLTAGE
EFFICIENCY
vs
INPUT VOLTAGE
(4 Main LED - 15mA, 25mA)
(2 Sub LED with Light Load Condition,
×
1 Mode Operation)
Figure 3.
Figure 4.
SWITCH RESISTANCE
vs
FREE-AIR TEMPERATURE
(
×
1 Mode)
SWITCH RESISTANCE
vs
FREE-AIR TEMPERATURE
(
×
1 Mode)
Figure 5.
Figure 6.
7
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