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Typical Characteristics (continued)
Ambient temperature is 25°C, input voltage is 3.6 V, HWEN = IN, C
IN
= C
OUT
= 2×10 µF and L=1 µH, unless
otherwise noted .
0.30
0.31
0.32
0.33
0.34
0.35
0.36
0.37
0.38
0.39
0.40
0.41
0.42
0.43
0.44
0.45
2.5 3 3.5 4 4.5 5 5.5
ILED (A)
VIN (V)
ILED=0.372A fSW=2Mhz Torch
Fig 17. LED1/2 Torch Current vs Input Voltage
0.30
0.31
0.32
0.33
0.34
0.35
0.36
0.37
0.38
0.39
0.40
0.41
0.42
0.43
0.44
0.45
2.5 3 3.5 4 4.5 5 5.5
ILED (A)
VIN (V)
ILED=0.372A fSW=4Mhz Torch
Fig 18. LED1/2 Torch Current vs Input Voltage
0.15
0.16
0.17
0.18
0.19
0.20
0.21
0.22
0.23
0.24
0.25
2.5 3 3.5 4 4.5 5 5.5
ILED (A)
VIN (V)
ILED=0.186A fSW=2Mhz Torch
Fig 19. LED1/2 Torch Current vs Input Voltage
0.15
0.16
0.17
0.18
0.19
0.20
0.21
0.22
0.23
0.24
0.25
2.5 3 3.5 4 4.5 5 5.5
ILED (A)
VIN (V)
ILED=0.186A fSW=4Mhz Torch
Fig 20. LED1/2 Torch Current vs Input Voltage
0.30
0.31
0.32
0.33
0.34
0.35
0.36
0.37
0.38
0.39
0.40
0.41
0.42
0.43
0.44
0.45
2.5 3 3.5 4 4.5 5 5.5
ILED (A)
VIN (V)
ILED=0.372A fSW=2Mhz Torch
Fig 21. LED1 & LED2 Current vs Input Voltage
0.15
0.16
0.17
0.18
0.19
0.20
0.21
0.22
0.23
0.24
0.25
2.5 3 3.5 4 4.5 5 5.5
ILED (A)
VIN (V)
ILED=0.186A fSW=2Mhz Torch
Fig 22. LED1 & LED2 Current vs Input Voltage