Texas Instruments TPS61181(82/81A)-259 Evaluation Board TPS61181(82/81A)EVM-259 TPS61181AEVM-259 TPS61181AEVM-259 Hoja De Datos
Los códigos de productos
TPS61181AEVM-259
0
25
50
75
100
125
150
I
- Output Current - mA
O
80
82
84
86
88
90
92
94
96
98
100
Efficiency - %
V
= 28.6 V,
9 LEDs
O
V
= 19 V
BAT
V
= 10.8 V
BAT
V
= 5 V
BAT
0
25
50
75
100
125
150
I
- Output Current - mA
O
80
82
84
86
88
90
92
94
96
98
100
Efficiency - %
V
= 19 V
BAT
V
= 10.8 V
BAT
V
= 5 V
BAT
V
= 31.7 V,
10 LEDs
O
SLVSAN6A
–
FEBRUARY 2011
–
REVISED MARCH 2011
TYPICAL CHARACTERISTICS
Table of Graphs
Description (Reference to application circuit in
Figure
DC Load Efficiency
V
bat
= 5V, 10.8V, 19V; V
O
=28.6V, 9LEDs; L=10uH
DC Load Efficiency
V
bat
= 5V, 10.8V, 19V; V
O
=31.7V, 10LEDs; L=10uH
PWM Dimming Efficiency
V
bat
= 5V, 10.8V and 19V; V
O
=25.5V, 8LEDs; PWM Freq = 1kHz
PWM Dimming Efficiency
V
bat
= 5V, 10.8V and 19V; V
O
=28.6V, 9LEDs; PWM Freq = 1kHz
PWM Dimming Efficiency
V
bat
= 5V, 10.8V and 19V; V
O
=31.7V, 10LEDs; PWM Freq = 1kHz
PWM Dimming Efficiency
V
bat
= 5V, 10.8V and 19V; V
O
=34.8V, 11LEDs; PWM Freq = 1kHz
Dimming Linearity
V
bat
= 10.8V; V
O
=28.6V, 9LEDs; I
set
= 20
μ
A; PWM Freq = 1kHz
Dimming Linearity
V
bat
= 10.8V; V
O
=28.6V, 9LEDs; I
set
= 20
μ
A; PWM Freq = 200Hz
Output Ripple
V
O
=28.6V; I
set
= 20
μ
A; PWM Freq = 200Hz; Duty = 50%
Switching Waveform
V
bat
= 10.8V; I
set
= 20
μ
A
Output Ripple at PWM Dimming
V
bat
= 10.8V; I
set
= 20
μ
A; PWM Freq = 200Hz; Duty = 50%; C
O
=4.7
μ
F
Short Circuit Protection
V
bat
= 10.8V; I
set
= 20
μ
A
Open WLED Protection
V
bat
= 10.8V; I
set
= 20
μ
A
Startup Waveform
V
bat
= 10.8V; I
set
= 20
μ
A
EFFICIENCY
EFFICIENCY
vs
vs
OUTPUT CURRENT
OUTPUT CURRENT
Figure 1.
Figure 2.
6
Copyright
©
2011, Texas Instruments Incorporated
Product Folder Link(s):