AAT1109A Datasheet, PDF (2/10 Pages) Advanced Analogic Technologies – ONE-CHANNEL BOOST SWITCHING REGULATOR

Advanced Analog Technology, Inc.
AAT1109A
Pin Description
Pin # Name I/O
Description
1 -IN I Error amplifier inverting input pin
2 SCP I Soft start and SCP capacitor connection pin
3 Vcc
Power supply
4 CE I Chip enable input pin internal pull "H"
5 OUT O Totem-type output pin
6 GND
Ground
7 OSC O Capacitor and resistor connection pin for setting the oscillation frequency
8 FB O Error amplifier output pin
Absolute Maximum Ratings
CHARACTERISTICS
Supply voltage
Output current
Operating free-air temperature range
Storage temperature range
Power dissipation
SYMBOL
V_DD
I_O
T_ope
T_stg
Pd
VALUE
7
-120/+120
-20 to 85
-65 to 150
500
UNIT
V
mA
o_C
o_C
mW
Recommended Operating Conditions
Symbol
Min
Max
Unit
Supply voltage, V_DD
Error amplifier input voltage
V_DD
2.6
6.5
V
VI
0.5
1.6
V
OSC capacitor
OSC resistor
Oscillator frequency
C_T
100
10000
pF
R_T
1.0
10
k
f _OSC
10
1000
kHz
Output current
Operating free-air temperature
I_O
+30/-30
mA
T_ope
-20
85
o_C
–
–
–
Advanced Analog Technology, Inc. –
V 0.1