參數(shù)資料
型號: TPS60250RTE
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): 6/24頁
文件大小: 419K
代理商: TPS60250RTE
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
40
60
20
E
3
4
5
6
V - Input Voltage - V
0.2 mA, V = 2.6 V
1 mA, V = 2.8 V
0.5 mA, V = 2.7 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
TPS60250
SLVS769–APRIL 2007
TYPICAL CHARACTERISTICS (continued)
DESCRIPTION
REF
DM5 with Maximum 80
mA
Current Accuracy
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.
6
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