AAT3128
RGB LED Fashion Lighting Controller
Electrical Characteristics
V
IN
= 3.6V, C
IN
= C
OUT
= C1 = C2 = 1.0µF; T
A
= -40 to +85˚C. Unless otherwise noted, typical values are T
A
= 25˚C
Symbol
Description
Conditions
Min
2.7
3.0
≤
V
IN
≤5.5,
C
P
= 1.5x,
No Load Current
EN = 0
3.0
≤
V
IN
≤
5.5
V
IN
= 3.5
3
Typ
Max
5.5
7
10
5
Units
V
mA
µA
%
%
µs
MHz
%
Ω
Input Power Supply
V
IN
Input Operation Range
I
CC
I
SHDN
I
SRC
η
Charge Pump
T
SS
F
CLK
η
Switches
R
DS(ON)
EN/SET
V
EN(L)
V
EN(H)
T
EN/SET LO
T
EN/SET HI
T
OFF
T
LAT
I
EN/SET
Operating Current
Shutdown Current
Output Current Accuracy
Efficiency
Soft-Start Time
Clock Frequency
Efficiency
Switch On Resistance
Enable Threshold Low
Enable Threshold High
EN/SET Low Time
Minimum EN/SET High Time
EN/SET Off Timeout
EN/SET Latch Timeout
EN/SET Input Leakage
-5
93
200
1
93
2
V
IN
= 3.5
V
IN
= 3.5, T
A
= 25°C
0.4
V
EN/SET
V
EN/SET
V
EN/SET
V
EN/SET
V
EN/SET
<
>
<
>
=
0.6V
1.4V
0.6V
1.4V
5V
1.4
0.3
50
500
500
1
75
-1
V
V
µs
ns
µs
µs
µA
1. The AAT3128 is guaranteed to meet performance specification over the –40 to +85
°C
operating temperature range, and are assured
by design, characterization and correlation with statistical process controls.
4
3128.2007.09.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
