AAT1415 Datasheet, PDF (4/32 Pages) Advanced Analog Technology, Inc. – FIVE-CHANNEL DC-DC CONVERTER WITH A 2.5V LDO

Advanced Analog Technology, Inc.
May 2008
AAT1415/AAT1415A
ELECTRICAL CHARACTERISTICS
( T_C = 25 ° C , V_DD = OUT1 = OUT2 = OUT3 = 3.6V, unless otherwise specified.)
Oscillator
PARAMETER
OSC Discharge Trip Level
OSC Discharge Resistance
OSC Discharge Pulse Width
OSC Frequency
SYMBOL
V_ODT
R _ODR
t _OFF
f_OSC
TEST CONDITION
Rising Edge
OSC = 1.5V, I_OSC = 30mA
R_OSC = 47kΩ,
C_OSC = 100pF
MIN
1.225
TYP
1.250
52
150
500
MAX
1.275
80
UNIT
V
Ω
ns
kHz
Power Fail Latch and Thermal Protection
PARAMETER
SYMBOL
TEST CONDITION
CH4, CH5 Overload Condition
CH1, CH2 Overload Threshold
CH3 Overload Threshold
Overload Protection Fault Delay
Duty Cycle
V_F12
IN1, IN2, Fail Detection
Voltage
IN3 Fail Detection Voltage
V_F13
(AAT1415)
IN3 Fail Detection Voltage
(AAT1415A)
Thermal Shutdown
Thermal Hysteresis
T_SHDN
T_HYS
MIN TYP MAX UNIT
100
%
1.07 1.10 1.13 V
1.07 1.10 1.13 V
0.600 0.625 0.650 V
100,000
160
20
Cycles
°C
°C
Logic Inputs
PARAMETER
EN_, SEL_ Input Low Level
EN_, SEL_ Input High Level
SEL_ Input Leakage
EN_ Impedance to GND
TR1 Output Low Voltage
SYMBOL
V_IL
V_IH
I_L9
R_EN
V_TRL
TEST CONDITION
1.2mA Into TR1
MIN TYP MAX UNIT
0.4
V
1.4
V
0.1
1.0
µA
200 300 400 kΩ
0.1 0.2
V
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Version 3.00
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