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AAT1102 Datasheet(PDF) 3 Page - Advanced Analog Technology, Inc.

Part # AAT1102
Description  ADVANCED PWM DC-DC CONVERTER WITH INTERNAL SWITCH AND SOFT-START
PDF  18 Pages
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Manufacturer  AAT [Advanced Analog Technology, Inc.]
Direct Link  http://www.aatech.com.tw
Logo AAT - Advanced Analog Technology, Inc.

AAT1102 Datasheet(HTML) 3 Page - Advanced Analog Technology, Inc.

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Advanced Analog Technology, Inc.
–
台灣類比科技股份有限公司 –
–
Advanced Analog Technology, Inc. –
Page 3 of 18
V5.0
AAT1102 (BIN2)
ELECTRICAL CHARACTERISTICS
(
DD
V
3V
SHDN
=
=
, FREQ = GND,
C
85
to
C
0
T
C
o
o
=
, unless otherwise specified. Typical values are
at
C
T
C
o
25
+
=
)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Input Supply Voltage
Range
DD
V
2.6
5.5
V
DD
V
Under Voltage
Lockout
UVLO
When
DD
V
is rising, typical
hysteresis is 40mV; SW
remains off below this level
2.25
2.38
2.52
V
IN
V = 1.3V, not switching
0.21
0.35
Quiescent Current
DD
I
IN
V = 1.0V, switching
1.2
5.0
mA
Shutdown Current
SC
I
SHDN
= GND
0.1
10.0
A
μ
ERROR AMPLIFIER
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
Feedback Voltage
IN
V
Level to produce VEO =
1.24V
1.228 1.240 1.254
V
DD
V
Input Bias Current
IN
I
VIN= 1.24V
0
40
nA
Feedback-Voltage Line
Regulation
Level to produce VEO =
1.24V,
2.6V <
DD
V
< 5.5V
0.05
0.15
%/V
Transconductance
m
g
5
=
ΔI
A
μ
70
105
240
A
μ
/V
Voltage Gain
V
A
1,500
V/V
OSCILLATOR
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
FREQ = GND
540
640
740
Frequency
OSC
f
FREQ =
DD
V
1,100 1,320 1,600
kHz
FREQ = GND
79
85
92
Maximum Duty Cycle
MAX
D
FREQ =
DD
V
85
%



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