AAT1107 Datasheet, PDF (4/16 Pages) Advanced Analog Technology, Inc. – BUCK_BOOST & BOOST PWM CONTROLLER WITH ADJUSTABLE LDO

Advanced Analog Technology, Inc.
AAT1107
ELECTRICAL CHARACTERISTICS, V_DD = 5.0V (UNLESS OTHERWISE
SPECIFIED) (SEE NOTE 1)
Oscillator
Parameter
Frequency
Frequency Change with
V_DD
Symbol
f _OSC
f _∆V
Test Condition
C_OSC = 220pF ,
R _OSC = 10kΩ
V_DD = 4.0V to 6.0V
T_C = 25^o C
C_OSC = 220pF
R _OSC = 10kΩ
Min Typ Max Unit
320 400 480 kHz
- 1 -%
Under-Voltage Protection
Parameter
Upper Threshold Voltage
Lower Threshold Voltage
Hysteresis ( ) V_UPH − V_UPL
Symbol
V_UPH
V_UPL
V_HYS
Test Condition
T_C = 25^o C
T_C = 25^o C
T_C = 25^o C
Short Circuit Protection Control
Parameter
Symbol
Input Threshold Voltage
V_{r 2}
Input Threshold Voltage
V_r1
Input Threshold Voltage
V_r3
Short-Circuit Detect
Threshold Voltage
V_tscd
SCP Terminal Source
Current
I _SCP
Stand-by Voltage
V_STB
Latch Voltage
V_LT
Test Condition
CH2
CH1
CH3
Min Typ Max Unit
2.6 2.9 3.2 V
2.23 2.53 2.83 V
- 0.37 -
V
Min Typ Max Unit
2.10 2.40 2.65 _V
0.95 1.05 1.15 V
- 1.05 -
1.48 1.64 1.80 V
− 3.5 − 2.5 −1.5 ^µA
- 50 100 mV
- 30 100 mV
Note 1: Typical values of all parameters are specified at T_C = 25^o C .
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– Advanced Analog Technology, Inc. –
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