AAT1109A Ver la hoja de datos (PDF) - Advanced Analogic Technologies
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AAT1109A Datasheet PDF : 10 Pages
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Advanced Analog Technology, Inc.
AAT1109A
Electrical Characteristics, VDD = 3.3V (Unless Otherwise Specified) (See Note 1)
Idle period adjustment section
Parameter
Test Conditions
Min Typ Max Unit
Maximum duty cycle
tDUTY CT = 270pF, R T = 4.2kΩ
VFB = 1.12v
75
85
93
%
EA (Error Amplifier)
Parameter
Input threshold voltage
VT input stability
VT variation with temperature
Input bias current
Output voltage swing
Output sink current
Output source current
Open-loop voltage
amplification
VT
VTdV
VTdT
IB
VOM+
VOM−
I OM +
I OM −
A VD
Test Condition
VFB = 0.7v
Vdd = 2.6 to 6.5v
TA = -20 oC to 90 oC
FB=0.7V
FB=0.7V
Min Typ Max Unit
1.249 1.262 1.275 V
2 8 mV
1
%
0.1 1 µA
1.4 1.7
V
0.05 0.2
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
Operating Current
Parameter
Supply current
VOH IO=-30mA
VOL IO=+30mA
Trise CL=1000pF
Tfall CL=1000pF
I DD−OFF
I DD−ON
Test Condition
Output ”OFF”state
RT =4.2k
1.9 2.3
V
0.8 1.2 V
100
nS
100
nS
Min Typ Max Unit
1.3
mA
1.6
mA
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–
Advanced Analog Technology, Inc. –
V 0.1
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