LM36010 Datasheet, PDF (9/37 Pages) Texas Instruments – Synchronous-Boost, Single-LED Flash Driver With 1.5-A High-Side Current Source

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LM36010
SNVSAN4A – APRIL 2017 – REVISED JULY 2017
Typical Characteristics (continued)
T_A = 25°C, V_IN = 3.6 V, C_IN = 10 µF, C_OUT = 10 µF, L = 1 µH, V_LED = 3.4 V, Flash Time-out = 320 ms and Thermal Scale-Back
(TSB) disabled, unless otherwise noted.
0.772
0.772
0.764
0.764
0.756
0.756
0.748
0.748
0.74
0.74
0.732
0.732
0.724
0.724
0.716
0.708
0.7
2.5
3
ƒ_SW = 2 MHz
3.5
4
4.5
V_IN (V)
I_FLASH = 0.75 A
85qC
25qC
-40qC
5
5.5
D013
I_CL = 1.9 A
0.716
0.708
0.7
2.5
3
ƒ_SW = 4 MHz
3.5
4
4.5
V_IN (V)
I_FLASH = 0.75 A
85qC
25qC
-40qC
5
5.5
D014
I_CL = 1.9 A
Figure 14. LED Flash Current vs Input Voltage
0.772
Figure 15. LED Flash Current vs Input Voltage
0.772
0.764
0.764
0.756
0.756
0.748
0.748
0.74
0.74
0.732
0.732
0.724
0.724
0.716
0.708
0.7
2.5
3
ƒ_SW = 2 MHz
3.5
4
4.5
V_IN (V)
I_FLASH = 0.75 A
85qC
25qC
-40qC
5
5.5
D015
I_CL = 2.8 A
0.716
0.708
0.7
2.5
3
ƒ_SW = 4 MHz
3.5
4
4.5
V_IN (V)
I_FLASH = 0.75 A
85qC
25qC
-40qC
5
5.5
D016
I_CL = 2.8 A
Figure 16. LED Flash Current vs Input Voltage
0.4
85qC
0.36
25qC
0.32
-40qC
0.28
0.24
0.2
0.16
0.12
0.08
0.04
0
0x00 0x0F 0x1F 0x2F 0x3F 0x4F 0x5F
Brightness Code (hex)
ƒ_SW = 2 MHz
0x6F
0x7F
D017
Figure 17. LED Flash Current vs Input Voltage
0.4
85qC
0.36
25qC
0.32
-40qC
0.28
0.24
0.2
0.16
0.12
0.08
0.04
0
0x00 0x0F 0x1F 0x2F 0x3F 0x4F 0x5F
Brightness Code (hex)
ƒ_SW = 4 MHz
0x6F
0x7F
D018
Figure 18. LED Torch Current vs Brightness Code
Figure 19. LED Torch Current vs Brightness Code
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