STCF05 STMicroelectronics, STCF05 Datasheet - Page 28

• Manufacturer Part Number: STCF05
• Description: HIGH POWER WHITE LED DRIVER WITH I2C INTERFACE
• Manufacturer: STMicroelectronics

Specifications of STCF05

• Flash Mode: up to 400 mA
• Torch Mode: up to 120 mA

Typical performance characteristics
11
28/33
Figure 14. Efficiency in flash mode
Figure 16. I
Figure 18. Input current vs. input voltage
440
440
430
430
420
420
400
400
390
390
380
380
370
370
360
360
2.00
2.00
0.50
0.50
0.00
0.00
410
410
1.50
1.50
1.00
1.00
95
95
90
90
85
85
80
80
75
75
70
70
2.50
2.50
2.5
2.5
2.5
2.5
V
V
Typical performance characteristics
OUT
OUT
3.00
3.00
LED
3
3
=7V
=7V
3
3
vs. V
3.50
3.50
3.5
3.5
3.5
3.5
BAT
V
V
V
V
V
V
BAT
BAT
BAT
BAT
BAT
BAT
at different temp.
4.00
4.00
4
4
[V]
[V]
4
4
[V]
[V]
[V]
[V]
I
I
I
I
LED
LED
LED
LED
4.50
4.50
4.5
4.5
=400 mA
=400 mA
=160 mA
=160 mA
4.5
4.5
I
I
I
I
LED
LED
LED
LED
=400 mA
=400 mA
=160 mA
=160 mA
5.00
5.00
5
5
5
5
Doc ID 15257 Rev 4
-40
-40
25
25
85
85
5.5
5.5
5.50
5.50
5.5
5.5
Figure 15. Efficiency in torch mode
Figure 17. I
Figure 19. Quiescent current in ready mode
6.00
6.00
5.50
5.50
5.00
5.00
4.50
4.50
4.00
4.00
3.50
3.50
3.00
3.00
2.50
2.50
2.00
2.00
95
95
90
90
85
85
80
80
75
75
70
70
65
65
60
60
55
55
50
50
460
455
450
445
440
435
430
2.5
2.5
-40
-40
4
V
V
OUT
OUT
LED
5
-20
-20
= 6.5 V
= 6.5 V
3
3
Ready Mode
Ready Mode
Ready Mode +
Ready Mode +
Aux LED
Aux LED
vs. V
6
0
0
I
I
I
I
3.5
3.5
LED
LED
LED
LED
OUT
=15mA
=15mA
=120mA
=120mA
7
V
V
20
20
VOUT [V]
V
BAT
BAT
OUT
T [°C]
T [°C]
4
4
8
[V]
[V]
[V]
40
40
9
4.5
4.5
VB A T=3.6V
V
BAT
60
60
= 3.6 V
1 0
5
5
80
80
1 1
STCF05
100
100
1 2
5.5
5.5