AAT1109A Datasheet, PDF (4/10 Pages) Advanced Analogic Technologies – ONE-CHANNEL BOOST SWITCHING REGULATOR

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 C_T = 270pF, R _T = 4.2k
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
V_OM+
V_OM−
I _{OM +}
I _{OM −}
A _VD
Test Condition
T_A = -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
V_OH I_O=-30mA
V_OL I_O=+30mA
T_rise C_L=1000pF
T_fall C_L=1000pF
I _DD−OFF
I _DD−ON
Test Condition
Output ”OFF”state
R_T =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
–
–
–
Advanced Analog Technology, Inc. –
V 0.1