LM36010 Datasheet, PDF (8/37 Pages) Texas Instruments – Synchronous-Boost, Single-LED Flash Driver With 1.5-A High-Side Current Source

LM36010
SNVSAN4A – APRIL 2017 – REVISED JULY 2017
www.ti.com
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.
1.28
1.28
1.24
1.24
1.2
1.2
1.16
1.16
1.12
1.12
1.08
1.08
1.04
1.04
1
1
0.96
0.92
0.88
2.5
3
ƒ_SW = 2 MHz
I_CL = 1.9 A
85qC
25qC
-40qC
3.5
4
4.5
5
5.5
V_IN (V)
D007
I_FLASH = 1.2 A
Flash Time-out < 280 ms at 85°C
0.96
0.92
0.88
2.5
3
ƒ_SW = 4 MHz
I_CL = 1.9 A
85qC
25qC
-40qC
3.5
4
4.5
5
5.5
V_IN (V)
D008
I_FLASH = 1.2 A
Flash Time-out < 280 ms at 85°C
Figure 8. LED Flash Current vs Input Voltage
1.08
1.06
1.04
1.02
1
0.98
0.96
0.94
0.92
0.9
0.88
2.5
3
ƒ_SW = 2 MHz
3.5
4
4.5
V_IN (V)
I_FLASH = 1.03 A
85qC
25qC
-40qC
5
5.5
D009
I_CL = 1.9 A
Figure 9. LED Flash Current vs Input Voltage
1.08
1.06
1.04
1.02
1
0.98
0.96
0.94
0.92
0.9
0.88
2.5
3
ƒ_SW = 4 MHz
3.5
4
4.5
V_IN (V)
I_FLASH = 1.03 A
85qC
25qC
-40qC
5
5.5
D010
I_CL = 1.9 A
Figure 10. LED Flash Current vs Input Voltage
1.08
1.06
1.04
1.02
1
0.98
0.96
0.94
0.92
0.9
0.88
2.5
3
ƒ_SW = 2 MHz
3.5
4
4.5
V_IN (V)
I_FLASH = 1.03 A
85qC
25qC
-40qC
5
5.5
D011
I_CL = 2.8 A
Figure 11. LED Flash Current vs Input Voltage
1.08
1.06
1.04
1.02
1
0.98
0.96
0.94
0.92
0.9
0.88
2.5
3
ƒ_SW = 4 MHz
3.5
4
4.5
V_IN (V)
I_FLASH = 1.03 A
85qC
25qC
-40qC
5
5.5
D012
I_CL = 2.8 A
Figure 12. LED Flash Current vs Input Voltage
Figure 13. LED Flash Current vs Input Voltage
8
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