AAT1109 Datasheet, PDF (4/18 Pages) Advanced Analog Technology, Inc. – ONE-CHANNEL STEP-UP PWM CONTROLLER

Advanced Analog Technology, Inc.
AAT1109
ELECTRICAL CHARACTERISTICS, V_DD = 3.3V (UNLESS OTHERWISE
SPECIFIED (SEE NOTE 1)
IDLE PERIOD ADJUSTMENT SECTION
PARAMETER
TEST CONTION
MIN TYP MAX UNIT
Maximum Duty Cycle
t _Duty
C_OSC = 270pF
,
R _OSC = 4.2kΩ V_OE = 1.12V
75
85
93
%
EA (ERROR AMPLIFIER)
PARAMETER
Input Threshold Voltage
V_T Input Stability
V_T Variation with
Temperature
Input Bias Current
Output Voltage Swing
Output Sink Current
Output Source Current
Open-Loop Voltage Gain
V_T
V_T∆V
V_T∆T
I_B
V_OS+
V_OS−
I _OS+
I _OS−
A _VO
TEST CONDITION
V_OE = 0.7V
V_DD = 2.6 to 6.5V
T_C = −20^o C to + 85^o C
V_OE = 0.7V
V_OE = 0.7V
MIN TYP MAX UNIT
1.249 1.262 1.275 V
2 8 mV
1
%
0.1 1.0 ^µA
1.4 1.7
V
0.05 0.20
3 20
mA
− 45 − 75
µA
70 85
dB
OUTPUT SECTION
PARAMETER
TEST CONDITION
TYP MAX UNIT
High-Level Output Voltage
Low-Level Output Voltage
Rise Time
Fall Time
V_OH
V_OL
t _RISE
t _FALL
I_o = −30mA
I_o = +30mA
C_L = 1,000pF
C_L = 1,000pF
1.9 2.3
V
0.8 1.2 V
100
ns
100
ns
OPERATING CURRENT
PARAMETER
Supply Current
I_DD−OFF
I _DD−ON
TEST CONDITION
Output ”OFF” State
R _OSC = 4.2kΩ
MIN TYP MAX UNIT
1.3
mA
1.6
mA
–
–
– Advanced Analog Technology, Inc. –
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