Datasheet

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