AAT1415-Q8-T AAT [Advanced Analog Technology, Inc.], AAT1415-Q8-T Datasheet - Page 5

• Manufacturer Part Number: AAT1415-Q8-T
• Description: FIVE-CHANNEL DC-DC CONVERTER WITH A 2.5V LDO
• Manufacturer: AAT [Advanced Analog Technology, Inc.]

ELECTRICAL CHARACTERISTICS
(
CH1 (Boost / Buck)
T
IN1 Regulation Voltage
IN1 to EO1 Transconductance
CH1 Maximum Duty Cycle
IN1 Input Leakage Current
Current-Sense Amplifier
Transresistance
OUT1 Leakage Current
SW1 Leakage Current
Switch On-Resistance
SW1 Peak Current Limit
Soft-Start Interval
OUT1 Startup-to-Normal
Operating Threshold
OUT1 Startup-to-Normal
Operating Hysteresis
Startup
Startup Frequency
C
= 25 C
t
° ,
OFF
PARAMETER
V
DD
= OUT1 = OUT2 = OUT3 = 3.6V, unless otherwise specified.)
Advanced Analog Technology, Inc.
SYMBOL
I
I
R
R
LIMIT1(N)
LIMIT1(P)
V
V
–
I
f
LSW1
UVLO1
UHYS1
ON1(N)
ON1(P)
START
V
I
LO1
t
I
L1
OS
IN1
–
Advanced Analog Technology, Inc . –
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Version 3.00
Page 5 of 32
IN1 = EO1
IN1 = EO1
Boost Mode (SEL1 =
IN1 = 0V to 1.5V
Boost Mode (SEL1 =
SEL1 = GND
N Channel
Boost Mode (SEL1 =
Rising Edge
Buck Mode (SEL1 = GND)
Buck Mode (SEL1 = GND)
SEL1 = GND
P Channel
Buck Mode (SEL1 = GND)
V
V
V
V
DD
DD
SW1
SW1
TEST CONDITION
= 1.8V
= 1.8V
= 0V, OUT1 = 3.6V
= OUT1 = 3.6V
–
V
V
V
DD
DD
DD
)
)
)
AAT1415/AAT1415A
1.231
–100
2.30
MIN
85
1.250
4,096
TYP
0.01
0.25
2.50
100
200
700
200
0.5
0.1
0.1
0.8
70
90
95
80
3
1.269
MAX
+100
2.65
5.0
5.0
95
May 2008
Cycles
UNIT
OSC
m Ω
kHz
V/A
V/A
µ
µ
µ
mV
nA
ns
%
%
V
A
A
V
S
A
A