AAT1104 Datasheet, PDF (4/11 Pages) Advanced Analog Technology, Inc. – 2-CHANNEL SWITCHING REGULATOR CONTROLLER

Advanced Analog Technology, Inc.
AAT1104/AAT1104A
Electrical Characteristics, ^VDD = 5.0V (Unless Otherwise Specified) (See Note 1)
Oscillator
Parameter
Test Condition
Min Typ
Frequency
Frequency change with V_DD
f_OSC C_T = 220pF, R _T = 10k
f_dV V_DD = 4.0V to 6.0V,
T_A = 25 ^oC
C_T = 220pF, R _T = 10k
320 400
1
Max Unit
480 KHz
%
Under-voltage Protection
Parameter
Upper threshold voltage
Lower threshold voltage
Hysteresis ( V_UPH – V_UPL )
V_UPH
V_UPL
V_HYS
Test Condition
T_A = 25 ^oC
T_A = 25 ^oC
T_A = 25 ^oC
Min Typ Max Unit
2.6 2.9 3.2 V
2.23 2.53 2.83 V
0.37
V
Short Circuit Protection Control
Parameter
Input threshold voltage
V_r1
Short-circuit detect threshold
voltage
V_{r 2}
SCP terminal source current
I _SCP
Standy Voltage
Latch Voltage
V_STB
V_LT
Test Condition
Ch-1, 2
AAT1104A only
AAT1104A only
AAT1104A only
Min Typ Max Unit
0.95 1.05 1.15
V
1.02 1.18 1.34
1.48 1.64 1.8
V
0.6 0.7 0.8
-1.5 -2.5 -3.5
µA
-10 -15 -20
50 100 mV
30 100 mV
Note1: Typical values of all parameters are specified at T_A =25 ^oC.
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Advanced Analog Technology, Inc.
V 1.0