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ADP1660ACBZ-R7 数据表(PDF) 8 Page - Analog Devices

部件名 ADP1660ACBZ-R7
功能描述  Dual 750 mA LED Flash Driver with I2C-Compatible Interface
PDF  28 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADP1660ACBZ-R7 数据表(HTML) 8 Page - Analog Devices

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ADP1660
Data Sheet
Rev. 0 | Page 8 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
ILED = LED current, VLED = LED output voltage, IBAT = battery current.
CH1 5.00V
CH2 1.00A
CH4 2.00V
CH3 500mA
M800µs
3
4
2
1
T
200µs
VLED1
ILED1
STROBE
INDUCTOR CURRENT
Figure 5. Startup, Flash Mode, VIN = 3.6 V, ILED1 = ILED2 = 750 mA
CH1 5.00V
CH2 100mA
CH4 2.00V
CH3 100mA
M8.00ms
3
4
2
1
T
2.00ms
VLED1
ILED1
ILED2
GPIO (TORCH)
Figure 6. Startup, Torch Mode, VIN = 3.6 V, ILED1 = ILED2 = 150 mA
CH1 5.00V
CH2 1.00A
CH4 5.00V
CH3 500mA
M400µs
3
4
2
1
T
100µs
VLED1
ILED1
STROBE
INDUCTOR CURRENT
Figure 7. Torch Current to 750 mA Flash Transition, ILED1 = ILED2 = 50 mA
CH1 2.00V
CH2 100mA
CH3 50.0mA
M800µs
3
2
1
T
100µs
ILED1
SW
INDUCTOR CURRENT
Figure 8. Switching Waveforms, Flash Mode, ILED1 = ILED2 = 750 mA
CH1 1.00V
CH2 200mA
CH4 100mA
CH3 1.00V
M20.0µs
1
3
2
4
T
0.00000s
VLED1
VIN
ILED1
INDUCTOR CURRENT
A CH2
196mA
Figure 9. Pass-Through to Boost Mode Transition, Single LED, ILED1 = 50 mA
CH1 5.00V
CH2 1.00A
CH4 500mV
CH3 200mA
M20µs
3
4
2
1
T
10µs
VLED1
ILED1
IBAT
GPIO (TxMASK)
Figure 10. Entry into TxMASK Mode, ILED1 = ILED2 = 750 mA to 250 mA



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