Advanced Analog Technology, Inc.
May 2008
AAT1168/1168A/1168B
ELECTRICAL CHARACTERISTICS
( V
DD
= 2.6V to 5.5V, T
C
=
–40
°
C
to 85
°
C
, unless otherwise specified. Typical values are tested at 25
°
C
ambient
temperature, V
DD
= 5V, V
DD1
= 10V.)
PARAMETER
VDD Input Voltage Range
VDD1 Input Voltage Range
SYMBOL
TEST CONDITION
MIN
2.6
AAT1168/AAT1168B
8
8
2.1
2.3
2.2
2.4
0.56
5.60
7
160
TYP
MAX
5.5
14
23
2.3
2.5
0.80
10.0
10
UNIT
V
V
V
V
V
mA
mA
mA
V
DD
V
DD1
AAT1168A
Falling
Rising
VDD Under Voltage Lockout
V
UVLO
VDD Operating Current
VDD1 Operating Current
Thermal Shutdown
I
VDD
I
VDD1
T
SHDN
V
IN1
= 1.5V, Not Switching
V
IN1
= 1.0V, Switching
V
VI1
+
~
V
VI5
+
= 4V
C
Reference Voltage
PARAMETER
Reference Voltage
Line Regulation
Load Regulation
SYMBOL
TEST CONDITION
I
VREF
= 100µA
I
VREF
= 100µA,
V
DD
= 2.6V~5.5V
I
VREF
= 0~100
µ
A
MIN
1.231
-
-
TYP
1.250
2
1
MAX
1.269
5
5
UNIT
V
mV
mV
V
REF
V
RI
V
RO
Oscillator
PARAMETER
Oscillation Frequency
Maximum Duty Cycle
SYMBOL
TEST CONDITION
MIN
1.05
84
TYP
1.20
87
MAX
1.35
90
UNIT
MHz
%
f
OSC
D
MAX
–
Advanced Analog Technology, Inc. –
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