AAT3174 Datasheet, PDF (4/14 Pages) Advanced Analogic Technologies – High Current, High Efficiency Charge Pump

AAT3174
High Current, High Efficiency Charge Pump
Electrical Characteristics¹
C_IN = 4.7µF, C_OUT = 2.2µF, C₁ = C₂ = 1.0µF; T_A = -40°C to +85°C, unless otherwise noted. Typical values are
T_A = 25°C, V_IN = 3.6V.
Symbol
Power Supply
V_IN
I_CC
I_SHDN(MAX)
I_OUT(MAX)²
I_DX
T_SS
V_RSET
EN/SET
V_EN(L)
V_EN(H)
T_{EN/SET LO}
T_{EN/SET HI}
T_{EN/SET HI MAX}
T_OFF
T_LAT
Input Current
Description
Conditions
Input Voltage Range
Operating Current
V_IN Pin Shutdown Current
Maximum Output Current
Output Current Accuracy
Soft-Start Time
R_SET Pin Voltage
1X, No Load Current
3.0 ≤ V_IN ≤ 5.5, 1.5X Mode,
No Load Current
3.0 ≤ V_IN ≤ 5.5, 2X Mode,
No Load Current
EN = 0
V_F = 3.6V
Programmed for 600mA;
R_SET = 187kΩ
Enable Threshold Low
Enable Threshold High
EN/SET Low Time
Minimum EN/SET High Time
Maximum EN/SET High Time
EN/SET Off Timeout
EN/SET Latch Timeout
EN/SET Input Leakage
V_IN = 2.7V
V_IN = 5.5V
Min Typ Max Units
2.7
5.5
V
300
µA
2.0 4.0
mA
3.0 6.0
1.0
µA
800
mA
540
660
mA
200
µs
0.7
V
0.4
V
1.4
V
0.3
60
µs
50
ns
60
µs
500
µs
500
µs
-1
1
µA
1. The AAT3174 is guaranteed to meet performance specifications from 0°C to 70°C. Specification over the -40°C to +85°C operating
temperature range is assured by design, characterization, and correlation with statistical process controls.
2. Mounted on an FR4 board.
4
3174.2006.05.1.2