ADP1650 Analog Devices, ADP1650 Datasheet - Page 10

• Manufacturer Part Number: ADP1650
• Description: 1.5 A LED Flash Driver with I2C-Compatible Interface
• Manufacturer: Analog Devices

Specifications of ADP1650

• Product Description: 1.5 A LED Flash Driver with I2C-Compatible Interface
• Led #: 1
• Led Configuration: Serial
• Topology: Inductive
• Application: Flash
• I2c Support: Yes
• Max Iout (ma): 1500mA
• Brightness Control: I2C
• Peak Efficiency (%): 90%
• Switching Frequency: 3MHz
• Over Volt Protection (v): 5.5V
• Vin Min (v): 2.7V
• Vout (v): 4.575 to 5.425
• Synchronous: Yes
• Package: 12-Bump WLCSP

ADP1650
Figure 20. ADC LED V
1100
1010
1000
0110
0100
0010
0000
3.760
3.755
3.750
3.745
3.740
3.735
3.730
3.725
3.720
3.715
3.710
1110
1111
1010
1000
0100
0010
0000
1100
0110
1111
1110
Figure 18. ADC Die Temperature Mode Transfer Characteristic
2.8
–40
0
Figure 19. ADC LED V
3.0
25
3.2
F
Mode, Code 1000, Midpoint vs. Temperature
10
DIE TEMPERATURE (°C)
50
LED_OUT VOLTAGE (V)
TEMPERATURE (°C)
3.4
F
Mode Transfer Characteristic
V
IN
75
3.6
= 2.7V
60
3.8
100
V
IN
V
4.0
IN
= 5.0V
= 3.6V
125
4.2
110
150
4.4
Rev. C | Page 10 of 32
Figure 21. ADC External Voltage Mode, Code 1000, Midpoint vs. Temperature
Figure 22. LED Current Accuracy vs. Temperature, I
295
294
293
292
291
290
289
288
287
286
Figure 23. LED Current Accuracy vs. Temperature, I
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–0.5
–1.0
–1.5
–2.0
–2.5
0.5
1.0
0.5
–40
0
0
–40
–40
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
= 3.2V
= 3.6V
= 4.2V
= 3.2V
= 3.6V
= 4.2V
10
10
10
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
V
V
V
IN
IN
IN
= 5V
= 3.6V
= 2.7V
60
60
60
LED
LED
= 1200 mA
= 800 mA
110
110
110