ADP1650 Analog Devices, ADP1650 Datasheet - Page 3

• 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

SPECIFICATIONS
V
Table 1.
Parameter
SUPPLY
LED DRIVER
SWITCHING REGULATOR
IN
Input Voltage Range
Undervoltage Lockout Threshold
Undervoltage Lockout Hysteresis
Shutdown Current (I
Standby Current (I
Operating Quiescent Current
SW Switch Leakage
LED Current
Assist Light, Torch
Flash
LED Current Error—WLCSP
LED Current Error—LFCSP
LED Current Source Headroom—WLCSP
LED Current Source Headroom—LFCSP
LED_OUT Ramp-Up Time
LED_OUT Ramp-Down Time
Switching Frequency
Minimum Duty Cycle
nFET Resistance—WLCSP
pFET Resistance—WLCSP
nFET Resistance—LFCSP
pFET Resistance—LFCSP
Voltage Output Mode
1
VOUT Voltage—WLCSP
VOUT Voltage—LFCSP
Output Current
Line Regulation
Load Regulation
= 3.6 V, T
2
J
= −40°C to +125°C for minimum/maximum specifications, and T
STBY
Q
), EN = 0 V
), EN = 1.8 V
Conditions
T
T
T
Assist light value setting = 7 (111 binary)
Flash value setting = 0 (00000 binary)
Flash value setting = 24 (11000 binary)
I
I
I
I
I
I
I
I
Torch, 200 mA LED current
Torch, 200 mA LED current
Switching frequency = 1.5 MHz
Switching frequency = 3 MHz
Switching frequency = 1.5 MHz
I
V
Torch mode, LED current = 100 mA
T
Assist light value setting = 0 (000 binary)
Flash, 1200 mA LED current
Flash, 1200 mA LED current
Switching frequency = 3 MHz
LED
LED
LED
LED
LED
LED
LED
LED
LOAD
J
J
J
J
IN
= −40°C to +85°C, current into VIN pin, V
= −40°C to +85°C, current into VIN pin, V
= −40°C to +85°C, V
= 25°C, V
falling
= 700 mA to 1100 mA
= 300 mA to 650 mA, 1150 mA to 1500 mA
= 75 mA to 200 mA
= 25 mA to 50 mA
= 700 mA to 1100 mA
= 300 mA to 650 mA, 1150 mA to 1500 mA
= 75 mA to 200 mA
= 25 mA to 50 mA
at VOUT = 300 mA
SW
3
= 4.5 V
Rev. C | Page 3 of 32
SW
3
= 4.5 V
A
= 25°C for typical specifications, unless otherwise noted.
IN
IN
= 2.7 V to 4.5 V
= 2.7 V to 4.5 V
Min
2.7
2.3
50
−6
−7
−10
−15
−6
−7
−10
−15
2.8
1.4
4.575
4.575
Typ
2.4
100
0.2
3
5.3
25
200
300
1500
290
190
370
220
3
1.5
14
7
60
50
77
85
5.000
5.000
0.3
−0.7
ADP1650
Max
5.0
2.5
150
1
10
2
0.5
+6
+7
+10
+15
+6
+7
+10
+18
0.6
0.1
3.2
1.6
5.425
5.500
500
Unit
V
V
mV
μA
μA
mA
μA
μA
mA
mA
mA
mA
%
%
%
%
%
%
%
%
mV
mV
mV
mV
ms
ms
MHz
MHz
%
%
mΩ
mΩ
mΩ
mΩ
V
V
mA
%/V
%/A