AAT3177 Datasheet, PDF (4/16 Pages) Advanced Analogic Technologies – High Current, High Efficiency Charge Pump with Auto-Timer

ChargePump^TM
PRODUCT DATASHEET
AAT3177
High Current, High Efficiency Charge Pump with Auto-Timer
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 Description
Power Supply
V_IN
Input Voltage Range
I_CC
Operating Current
I_SHDN(MAX)
I²
OUT(MAX)
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
V_IN Pin Shutdown Current
Maximum Output Current
Output Current Accuracy
Soft-Start Time
R_SET Pin Voltage
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
Conditions
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
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
75
μs
50
ns
75
μs
500
μs
500
μs
-1
1
μA
1. The AAT3177 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
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3177.2008.06.1.0