AAT2400 Datasheet, PDF (7/32 Pages) Skyworks Solutions Inc. – Sixteen-Channel White LED Driver Solution

DATA SHEET
AAT2400/2401
Sixteen-Channel White LED Driver Solution
with Full LED Current and Timing Control
Electrical Characteristics¹
V_IN=24V; C_IN = 4.7µF, C_OUT = 4.7µF; C_VCC = 2.2µF; L₁ = 4.2µH; R_SET =10.2kΩ (I_CSx = 60mA); T_A = -40^oC to 85^oC unless
otherwise noted. Typical values are at T_A = 25^oC.
Symbol Description
Logic Level Outputs: SDO, FAULT
VCCIO
VCC I/O Voltage Range
V_O(H)
Output Logic Level High
V_O(L)
Output Logic Level Low
V_FAULTLOW
FAULT Logic Output Low
I_SINK
FAULT Logic Hi Leakage
Interface: VSYNC, GSCLK
F_VSYNC
VSYNC Maximum Frequency
F_GSCLK
GSCLK Frequency
t_{SETUP(SU_VS)} Minimum VSYNC Setup Time
t_{HOLD(H_VS)} Minimum VSYNC Hold Time
T_{GS(HI/LO_ MIN)} Minimum GSCLK Clock High/Low Time
t_{SCLK(HI/LO_ MIN)} Minimum SCLK Clock High/Low Time
t_{VS(HI/LO_ MIN)} Minimum VSYNC Clock High/Low Time
SPI Interface: SDI, SDO, SCLK, CSB
F_MAX
Maximum Clock Frequency
t_{SETUP(SU_ SDI)} Minimum SDI Setup Time
t_{SETUP(SU_CS)} Minimum CSB Setup Time
t_{HOLD(H_ SDI)} Minimum SDI Hold Time
Thermal Protection
T_J2(SD)
T_J Thermal Shutdown Threshold
T_J2(HYS)
T_J Thermal Shutdown Hysteresis
T_J1(SD)
T_J Thermal Warning Threshold
T_J1(HYS)
T_J Thermal Warning Hysteresis
Conditions
No Load
I_SOURCE = 4mA, V_CCIO = 3.3V
I_SINK = -4mA
V_FAULT = 5.5V
GSCLK, VSYNC
GSCLK, VSYNC
SDI, SCLK
CSB, SDI
SDI, SCLK
Reset Thermal Threshold
CTL1 and CTL2 Registers are Reset to 0
Warning Thermal Threshold
Min
2.97
2.4
55
Typ
3.3
1
24
24
32
32
32
30
24
24
24
140
15
120
15
Max
3.63
0.4
0.4
1
250
Units
V
V
V
V
µA
Hz
MHz
ns
ns
ns
ns
ns
MHz
ns
ns
ns
°C
°C
°C
°C
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
202307A • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • August 24, 2012
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