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ADP1660CB-EVALZ Datasheet(PDF) 3 Page - Analog Devices

Part # ADP1660CB-EVALZ
Description  Dual 750 mA LED Flash Driver with I2C-Compatible Interface
Download  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP1660CB-EVALZ Datasheet(HTML) 3 Page - Analog Devices

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Data Sheet
ADP1660
Rev. 0 | Page 3 of 28
SPECIFICATIONS
VIN1 = 3.6 V, TJ = −40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted.
Table 1.
Parameter2
Test Conditions/Comments
Min
Typ
Max
Unit
SUPPLY
Input Voltage Range
2.7
5.0
V
Undervoltage Lockout Threshold
VIN falling
2.3
2.4
2.5
V
Undervoltage Lockout Hysteresis
50
100
150
mV
Shutdown Current, EN = 0 V
TJ = −40°C to +85°C, current into VIN pin,
VIN = 2.7 V to 4.5 V
0.2
1
µA
Standby Current, EN = 1.8 V
TJ = −40°C to +85°C, current into VIN pin,
VIN = 2.7 V to 4.5 V
3
10
µA
Operating Quiescent Current
Torch mode, ILED = 100 mA
5.3
mA
SW Switch Leakage Current
TJ = −40°C to +85°C, VSW3 = 5 V
2
µA
TJ = 25°C, VSW3 = 5 V
0.5
µA
LED DRIVER
LED Current
Assist Light, Torch Mode Current
Assist light value setting = 0 (0 0000 binary)
0
mA
Assist light value setting = 16 (1 0000 binary)
200
mA
Flash Mode Current
Flash value setting = 0 (00 0000 binary)
0
mA
Flash value setting = 60 (11 1100 binary)
750
mA
LED Current Error per Channel
ILED = 200 mA to 750 mA
−5
±1
+5
%
ILED = 100 mA to 187.5 mA
−7
±1
+7
%
ILED = 50 mA to 87.5 mA
±3
%
ILED = 25 mA to 37.5 mA
±6
%
ILED = 12.5 mA
±10
%
LED Channel Mismatch
ILED = 275 mA to 750 mA
0.5
3
%
ILED = 137.5 mA to 262.5 mA
1
4
%
ILED = 25 mA to 125 mA
2
%
ILED = 12.5 mA
4
%
LED Current Source Headroom
Flash mode, ILED = 750 mA
290
mV
Torch mode, ILED = 200 mA
190
mV
LED1/LED2 Ramp-Up Time
0.6
ms
LED1/LED2 Ramp-Down Time
0.1
ms
SWITCHING REGULATOR
Switching Frequency
Switching frequency = 3 MHz
2.8
3.0
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
%
N-FET Resistance
60
P-FET Resistance
50
Voltage Output Mode
VOUT Voltage
4.575
5
5.425
V
Output Current
500
mA
Line Regulation
ILOAD at VOUT pin = 300 mA
0.3
%/V
Load Regulation
−0.7
%/A
Pass-Through Mode Transition
Flash Mode
VIN to LED1/LED2, Entry
ILED1 = ILED2 = 750 mA
580
mV
VIN to LED1/LED2, Exit
ILED1 = ILED2 = 750 mA
435
mV
Torch Mode
VIN to LED1/LED2, Entry
ILED = 200 mA
380
mV
VIN to LED1/LED2, Exit
ILED = 200 mA
285
mV


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