ADD5205ACPZ-RL View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADD5205ACPZ-RL Datasheet PDF : 16 Pages
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ADD5205
Data Sheet
SPECIFICATIONS
VIN = 3.7 V, SHDN = high, TA = −25°C to +85°C, unless otherwise noted. Typical values are at TA = 25°C.
Table 1.
Parameter
SUPPLY
Input Voltage Range
Quiescent Current
Shutdown Supply Current
SWITCH
On Resistance
Switch Current Limit
Leakage Current
OSCILLATOR
Switching Frequency
Maximum Duty Cycle
SOFT START
Soft Start Time1
CURRENT SOURCE
ISET Pin Voltage
C_FILTER Pin Voltage
Adjustable LED Current1
Constant Current Sink of 20 mA2
Headroom Voltage of 20 mA2
Current Matching Between Strings2
LED Current Accuracy of 20 mA2
Current Source Leakage Current
SHUTDOWN CONTROL
SHDN Voltage High
SHDN Voltage Low
PWM Control
PWM Input Frequency Range1
PWM Voltage High
PWM Voltage Low
Symbol
VIN
IQ
ISD
RDS(ON)
ICL
ILKG
fOSC
DMAX
Test Conditions/Comments
VIN = 2.8 V to 18 V, not switching
VIN = 2.8 V to 18 V, SHDN = 0 V
ISW = 100 mA
VSET
VC_FILTER
ILED
ILED20
VHR20
Duty = 100%
RSET = 130 kΩ
RSET = 130 kΩ
ILED = 20 mA
ILED = 20 mA
VSHDN_HIGH
VSHDN_LOW
VIN = 2.8 V to 18 V
VIN = 2.8 V to 18 V
VPWM_HIGH
VPWM_LOW
VIN = 2.8 V to 18 V
VIN = 2.8 V to 18 V
Min Typ
2.8
3.4
0.3
1.9
1
90
1.5
1.26
0.22
19.6 20
0.66
−2
−3
1.5
0.1
1.5
1 Guaranteed by design.
2 Tested at TA = 25°C.
Max Unit
18
V
mA
1
μA
Ω
A
1
μA
MHz
%
ms
V
V
25
mA
20.6 mA
V
+2
%
+3
%
1
μA
6
V
0.6
V
kHz
V
0.6
V
Rev. 0 | Page 4 of 16
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