Advanced Analog Technology, Inc.
ELECTRICAL CHARACTERISTICS, VDD = 3.3V (UNLESS OTHERWISE
SPECIFIED) (SEE NOTE 1)
OSCILLATOR
PARAMETER
SYMBOL TEST CONDITION MIN TYP MAX UNIT
COSC =270pF
ROSC = 4.2kΩ
fOSC
Oscillation Frequency
400 500
600 kHz
o
T = −20 C to
Frequency Variation with
Temperature
C
f∆T
f∆V
5
1
%
%
o
+ 85 C
VDD = 2.6V to 6.5V
Frequency Input Stability
UNDER-VOLTAGE PROTECTION
PARAMETER
TEST CONDITION MIN TYP MAX UNIT
o
VUPH
VUPL
VHYS
Upper Threshold Voltage
Lower Threshold Voltage
2.12 2.47 2.85
1.96 2.28 2.63
0.19
V
V
V
T = 25 C
C
o
T = 25 C
C
o
Hysteresis (VUPH − VUPL )
T = 25 C
C
o
Note 1: Typical values of all parameters are specified atT = 25 C .
C
SHORT CIRCUIT PROTECTION CONTROL
PARAMETER
TEST CONDITION
MIN TYP MAX UNIT
Vr1
Vr2
Input Threshold Voltage
1.160 1.262 1.360
1.160 1.262 1.360
− 2.15 −1.50 −1.00
V
V
Short-Circuit Detection
Threshold Voltage
ISCP
VSCP = 0V
µA
Charging Current
SOFT-START
PARAMETER
Charging Current
TEST CONDITION
MIN TYP MAX UNIT
ICS
Vts
VSCP = 0V
− 2.15 −1.50 −1.00
µA
V
Voltage at Soft-Start
1.160 1.262 1.360
Completion
SHUTDOWN CONTROL
PARAMETER
TEST CONDITION
MIN TYP MAX UNIT
VSE
VSR
Shutdown Enable Voltage
Shutdown Release Voltage
0.5
V
V
2.0
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V 1.0
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