AAT3129_07 Datasheet, PDF (4/15 Pages) Advanced Analogic Technologies – High Efficiency 1X/1.5X/2X Charge Pump for RGB Color LED Applications

AAT3129
High Efficiency 1X/1.5X/2X Charge Pump
for RGB Color LED Applications
Electrical Characteristics¹
V_IN = 3.5V, C_IN = C_CP = C1 = C2 = 1μF; T_A = -40°C to +85°C. Unless otherwise noted, typical values are T_A = 25°C.
Symbol Description
Input Power Supply
V_IN
Operation Range
I_CC
Operating Current
I_SHDN
I_SRC
Charge Pump
T_S
F_CLK
η
Switches
R_DS(ON)
EN/SET
V_EN(L)
V_EN(H)
T_{EN/SET LO}
T_{EN/SET HI MIN}
T_OFF
T_LAT
I_EN/SET
Shutdown Current
Output Current Accuracy
Start-Up Delay 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
Conditions
3.0 ≤ V_IN ≤ 5.5, CP = 1.5X,
No Load Current
EN = 0
3.0 ≤ V_IN ≤ 5.5
V_IN = 3.5V
V_IN = 3.5V, T_A = 25°C
V_IN = 2.7V
V_IN = 5.5V
V_EN/SET = 5.5V, V_IN = 5.5V
Min Typ Max Units
2.7
5.5
V
1
3
mA
1
μA
-5
5
%
200
μs
1
MHz
93
%
1.5
Ω
0.4
V
1.4
V
0.3
75
μs
50
ns
500
μs
500
μs
-1
1
μA
1. The AAT3129 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
4
3129.2007.01.1.4