Advanced Analog Technology, Inc.
AAT1109
ELECTRICAL CHARACTERISTICS,
V
DD
= 3.3V (UNLESS OTHERWISE
SPECIFIED) (SEE NOTE 1)
OSCILLATOR
PARAMETER
SYMBOL
Oscillation Frequency
Frequency Variation with
Temperature
Frequency Input Stability
f
OSC
f
∆
T
f
∆
V
TEST CONDITION
C
OSC
=270pF
R
OSC
=
4.2kΩ
MIN TYP MAX UNIT
400
500
5
1
600
kHz
%
%
T
C
= −
20
o
C to
+
85 C
V
DD
=
2.6V to 6.5V
o
UNDER-VOLTAGE PROTECTION
PARAMETER
TEST CONDITION
Upper Threshold Voltage
Lower Threshold Voltage
Hysteresis
(
V
UPH
−
V
UPL
)
V
UPH
V
UPL
V
HYS
T
C
=
25
o
C
T
C
=
25
o
C
T
C
=
25
o
C
=
25
o
C
.
MIN TYP MAX UNIT
V
2.12 2.47 2.85
1.96 2.28
0.19
2.63
V
V
Note 1: Typical values of all parameters are specified at
T
C
SHORT CIRCUIT PROTECTION CONTROL
PARAMETER
TEST CONDITION
MIN TYP MAX UNIT
Input Threshold Voltage
Short-Circuit Detection
Threshold Voltage
Charging Current
V
r1
V
r 2
I
SCP
V
SCP
=
0V
1.160 1.262 1.360
1.160 1.262 1.360
−
2.15
−
1.50
−
1.00
V
V
µ
A
SOFT-START
PARAMETER
Charging Current
Voltage at Soft-Start
Completion
I
CS
V
ts
TEST CONDITION
V
SCP
=
0V
MIN TYP MAX UNIT
−
2.15
−
1.50
−
1.00 µA
1.160 1.262 1.360
V
SHUTDOWN CONTROL
PARAMETER
TEST CONDITION
MIN TYP MAX UNIT
Shutdown Enable Voltage
Shutdown Release Voltage
V
SE
V
SR
2.0
0.5
V
V
–
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Advanced Analog Technology, Inc
.
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