米6体育平台手机版

ZHCSGJ8B April 2017 – October 2017 LM36010

PRODUCTION DATA.

8.2.3 Application Curves

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.

ƒ_SW = 2 MHz

I_CL = 2.8 A

Figure 38. LED Flash Efficiency vs Brightness Code

ƒ_SW = 2 MHz

I_CL = 2.8 A

Figure 40. LED Flash Efficiency vs Input Voltage

ƒ_SW = 2 MHz	I_FLASH = 1.5 A
I_CL = 1.9 A	Flash Time-out < 120 ms at 85°C

Figure 42. LED Flash Efficiency vs Input Voltage

ƒ_SW = 2 MHz	I_FLASH = 1.2 A
I_CL = 1.9 A	Flash Time-out < 280 ms at 85°C

Figure 44. LED Flash Efficiency vs Input Voltage

ƒ_SW = 2 MHz

I_FLASH = 1.03 A

I_CL = 1.9 A

Figure 46. LED Flash Efficiency vs Input Voltage

ƒ_SW = 2 MHz

I_FLASH = 1.03 A

I_CL = 2.8 A

Figure 48. LED Flash Efficiency vs Input Voltage

ƒ_SW = 2 MHz

I_FLASH = 0.75 A

I_CL = 1.9 A

Figure 50. LED Flash Efficiency vs Input Voltage

ƒ_SW = 2 MHz

I_FLASH = 0.75 A

I_CL = 2.8 A

Figure 52. LED Flash Efficiency vs Input Voltage

ƒ_SW = 2 MHz

Figure 54. LED Torch Efficiency vs Brightness Code

ƒ_SW = 2 MHz

Figure 56. LED Torch Efficiency vs Input Voltage

ƒ_SW = 2 MHz

I_TORCH = 376 mA

Figure 58. LED Torch Efficiency vs Input Voltage

ƒ_SW = 2 MHz

I_TORCH = 258 mA

Figure 60. LED Torch Efficiency vs Input Voltage

Time (400 µs/DIV)
Mode bits (Reg 0x01 bit[1:0]) = 11 (Flash Mode)

Figure 62. Flash Start-up with I²C

Time (2 ms/DIV)

Figure 64. Flash Turnoff with I²C

Time (4 ms/DIV)
Mode bits (Reg 0x01 bit[1:0]) = 00 (Standby Mode)

Figure 66. Torch Turnoff with I²C

Time (100 ms/DIV)
STROBE Enabled (Reg 0x01 bit[2] = 1)
Level Triggered (Reg 0x01 bit[3] = 0)
Strobe pulse = 100 ms

Figure 68. Flash Turnoff with Level Triggered STROBE

Time (400 µs/DIV)
Reg 0x01 = 0x26

Figure 70. Boost I²C Torch

Time (400 µs/DIV)
Reg 0x01 = 0x2C

Figure 72. Boost Edge Triggered Flash

Time (400 µs/DIV)
Reg 0x01 = 0xA6

Figure 74. Pass Mode I²C Torch

Time (400 µs/DIV)
Reg 0x01 = 0xAC

Figure 76. Pass mode Edge Triggered Flash

Time (200 ns/DIV)
ƒ_SW = 2 MHz

Figure 78. Inductor Current and Switch node (SW) Waveform

	Time (400 µs/DIV)
Reg 0x01 = 0x13		IVFM Trip Level (Reg 0x02 bits[7:5]) = 001 (3 V)

Figure 80. IVFM - Ramp and Hold

ƒ_SW = 4 MHz

I_CL = 2.8 A

Figure 39. LED Flash Efficiency vs Brightness Code

ƒ_SW = 2 MHz

I_CL = 2.8 A

Figure 41. LED Flash Efficiency vs Input Voltage

ƒ_SW = 4 MHz	I_FLASH = 1.5 A
I_CL = 1.9 A	Flash Time-out < 120 ms at 85°C

Figure 43. LED Flash Efficiency vs Input Voltage

ƒ_SW = 4 MHz	I_FLASH = 1.2 A
I_CL = 1.9 A	Flash Time-out < 280 ms at 85°C

Figure 45. LED Flash Efficiency vs Input Voltage

ƒ_SW = 4 MHz

I_FLASH = 1.03 A

I_CL = 1.9 A

Figure 47. LED Flash Efficiency vs Input Voltage

ƒ_SW = 4 MHz

I_FLASH = 1.03 A

I_CL = 2.8 A

Figure 49. LED Flash Efficiency vs Input Voltage

ƒ_SW = 4 MHz

I_FLASH = 0.75 A

I_CL = 1.9 A

Figure 51. LED Flash Efficiency vs Input Voltage

ƒ_SW = 4 MHz

I_FLASH = 0.75 A

I_CL = 2.8 A

Figure 53. LED Flash Efficiency vs Input Voltage

ƒ_SW = 4 MHz

Figure 55. LED Torch Efficiency vs Brightness Code

ƒ_SW = 2 MHz

Figure 57. LED Torch Efficiency vs Input Voltage

ƒ_SW = 4 MHz

I_TORCH = 376 mA

Figure 59. LED Torch Efficiency vs Input Voltage

ƒ_SW = 2 MHz

I_TORCH = 188 mA

Figure 61. LED Torch Efficiency vs Input Voltage

Time (100 ms/DIV)
Flash Time-out (Reg 0x02 bits[4:1]) = 0111 (320 ms)

Figure 63. Flash Time-Out

Time (400 µs/DIV)
Mode bits (Reg 0x01 bit[1:0]) = 10 (Torch Mode)

Figure 65. Torch Start-up with I²C

Time (400 µs/DIV)
STROBE Enabled (Reg 0x01 bit[2] = 1)

Figure 67. Flash Start-up with STROBE

Time (100 ms/DIV)
STROBE Enabled (Reg 0x01 bit[2] = 1)
Edge Triggered (Reg 0x01 bit[3] = 1)
Flash Time-out = 320 ms

Figure 69. Flash Turnoff with Edge Triggered STROBE

Time (400 µs/DIV)
Reg 0x01 = 0x27

Figure 71. Boost I²C Flash

Time (400 µs/DIV)
Reg 0x01 = 0x24

Figure 73. Boost Level Triggered Flash

Time (400 µs/DIV)
Reg 0x01 = 0xA7

Figure 75. Pass Mode I²C Flash

Time (400 µs/DIV)
Reg 0x01 = 0xA4

Figure 77. Pass mode Level Triggered Flash

Time (200 ns/DIV)
ƒ_SW = 4 MHz

Figure 79. Inductor Current and Switch node (SW) Waveform