AAT1108 Datasheet, PDF (4/11 Pages) Advanced Analog Technology, Inc. – 2-CHANNEL STEP-UP PWM CONTROLLERS WITH ADJUSTABLE LDO

Advanced Analog Technology, Inc.
AAT1108
Electrical Characteristics, ^VDD = 5.0V (Unless Otherwise Specified) (See Note 1)
Oscillator
Parameter
Frequency
Frequency change with V_DD
Test Condition
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
Min Typ
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
Short-circuit detect threshold
voltage
SCP terminal source current
Standy Voltage
Latch Voltage
V_r1
V_{r 2}
I _SCP
V_STB
V_LT
Test Condition
Ch-1, 2
Min Typ Max Unit
2.1 2.4 2.65 _V
1.48 1.64 1.8 V
-1.5 -2.5 -3.5 µA
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 0.1