AAT1168 Datasheet, PDF (4/22 Pages) Advanced Analog Technology, Inc. – TRIPLE-CHANNEL TFT LCD POWER SOLUTION WITH OPERATIONAL AMPLIFIERS

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
VDD Under Voltage Lockout
VDD Operating Current
VDD1 Operating Current
Thermal Shutdown
SYMBOL
TEST CONDITION
MIN TYP MAX UNIT
V_DD
2.6
5.5
V
AAT1168/AAT1168B
8
V_DD1
AAT1168A
8
14
V
23
V
V_UVLO
Falling
Rising
2.1
2.2
2.3
V
2.3
2.4
2.5
V
I _VDD
I _VDD1
V_IN1= 1.5V, Not Switching
V_IN1= 1.0V, Switching
V_VI1+ ~ V_VI5+ = 4V
0.56 0.80 mA
5.60 10.0 mA
7
10 mA
T_SHDN
160
C
Reference Voltage
PARAMETER
Reference Voltage
Line Regulation
Load Regulation
Oscillator
PARAMETER
Oscillation Frequency
Maximum Duty Cycle
SYMBOL
V_REF
V_RI
V_RO
TEST CONDITION
I_VREF = 100µA
I_VREF = 100µA,
V_DD = 2.6V~5.5V
I_VREF = 0~100 µ A
MIN TYP MAX UNIT
1.231 1.250 1.269 V
-
2
5
mV
-
1
5
mV
SYMBOL
f _OSC
D_MAX
TEST CONDITION
MIN TYP MAX UNIT
1.05 1.20 1.35 MHz
84
87
90
%
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