AAT1415 Datasheet, PDF (6/32 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 = OUT2 = 3.6V, unless otherwise specified.)
CH2 (Boost / Buck)
PARAMETER
IN2 Regulation Voltage
IN2 to EO2 Transconductance
CH2 Maximum Duty Cycle
IN2 Input Leakage Current
Current-Sense Amplifier
Transresistance
OUT2 Leakage Current
SW2 Leakage Current
Switch On-Resistance
SW2 Peak Current Limit
Soft-Start Interval
OUT2 Under-Voltage Lockout in
Buck Mode
OUT2 Under-Voltage Lockout in
Hysteresis
SYMBOL
V_IN2
I_L2
I_LO2
I_{LSW 2}
R _ON2(N)
R_ON2(P)
I_LIMIT2(N)
I_LIMIT2(P)
V_UVLO2
V_UHYS2
TEST CONDITION
IN2 = EO2
IN2 = EO2
Boost Mode (SEL2 = V_DD )
Buck Mode (SEL2 = GND)
IN2 = 0V to 1.5V
Boost Mode (SEL2 = V_DD )
Buck Mode (SEL2 = GND)
V_SW2 = 0V, OUT2 = 3.6V
V_SW2 = OUT2 = 3.6V
N Channel
P Channel
Boost Mode (SEL2 = V_DD )
Buck Mode (SEL2 = GND)
SEL2 = GND
MIN
1.231
85
–100
2.45
TYP
1.250
70
90
100
0.01
0.25
0.5
0.1
0.1
95
150
3
0.8
4,096
2.50
MAX
1.269
95
+100
5.0
5.0
2.55
UNIT
V
µS
%
%
nA
V/A
V/A
µA
µA
mΩ
A
A
OSC
Cycles
V
80
mV
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Version 3.00
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