MAX16809
Integrated 16-Channel LED Driver with
Switch-Mode Boost and SEPIC Controller
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (LED DRIVER)
(V+ = +3V to +5.5V, AGND = PGND = 0V; all voltages are measured with respect to PGND, unless otherwise noted. T
A
= T
J
= -40°C
to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Operating Supply Voltage V+ 3.0 5.5 V
Output Voltage V
OUT
_ _ 36 V
Standby Current (Interface Idle, All
Output Ports High Impedance)
R
SET
= 360Ω, DIN, LE, CLK = PGND or V+,
OE = V+, DOUT unconnected
3.6 4.5 mA
Standby Current
(Interface Active, All Output Ports
High Impedance)
R
SET
= 360Ω, f
CLK
= 5MHz, OE = V+,
DIN, LE = PGND or V+, DOUT unconnected
3.8 4.8 mA
Supply Current
(Interface Idle, All Output Ports
Active Low)
I+
R
SET
= 360Ω, OE = PGND, DIN,
LE = V+, DOUT unconnected
30 52.5 mA
INTERFACE (DIN, CLK, DOUT, LE, OE)
Input-Voltage High
(DIN, CLK, LE, OE)
V
IH
0.7
x V+
V
Input-Voltage Low
(DIN, CLK, LE, OE)
V
IL
0.3
x V+
V
Hysteresis Voltage
(DIN, CLK, LE, OE)
V
HYST
0.8 V
Input Leakage Current
(DIN, CLK)
I
LEAK
-1 +1 μA
OE Pullup Current to V+ I
OE
V+ = 5.5V, OE = PGND 0.25 1.5 25 μA
LE Pulldown Current to PGND I
LE
V+ = 5.5V, LE = V+ 0.25 1.5 25 μA
Output-Voltage High (DOUT) V
OH
I
SOURCE
= 4mA
V+
- 0.5V
V
Output-Voltage Low (DOUT) V
OL
I
SINK
= 4mA 0.5 V
0°C ≤ T
A
≤ +125°C, V
OUT
= 1V to 2.5V,
R
SET
= 360Ω
43.25 47.5 51.75
OUT_ _ Output Current I
OUT_ _
T
A
= -40°C, V
OUT
= 1V to 2.5V,
R
SET
= 360Ω
40 55
mA
OUT_ _ Leakage Current OE = V+ 1 μA
