AAT2514_08 ANALOGICTECH [Advanced Analogic Technologies], AAT2514_08 Datasheet - Page 4

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AAT2514_08

Manufacturer Part Number
AAT2514_08
Description
Dual Channel 600mA Step-Down Converter
Manufacturer
ANALOGICTECH [Advanced Analogic Technologies]
Datasheet
Electrical Characteristics
V
1. Specifications over the temperature range are guaranteed by design and characterization.
2. The regulated feedback voltage is tested in an internal test mode that connects V
4
4
SwitchReg
SwitchReg
Step-Down Converter
Symbol
V
IN
V
OUT
ΔV
OUT
ΔV
R
V
V
= V
T
F
DS(ON)
I
T
V
V
I
EN(H)
I
T
EN(L)
I
/ΔI
LIM
OSC
/ΔV
HYS
FB
OUT
OUT
EN
SD
IN
Q
FB
S
EN
/
/
OUT
IN
= 3.6V, T
Description
Input Voltage Range
Input DC Supply Current
Regulated Feedback
Voltage
FB Input Bias Current
Output Voltage Line
Regulation
Output Voltage Load
Regulation
Maximum Output Current
Startup Time
Over-Temperature
Shutdown Threshold
Over-Temperature
Shutdown Hysteresis
Oscillator Frequency
P-Channel MOSFET
N-Channel MOSFET
Peak Inductor Current
Enable Threshold Low
Enable Threshold High
EN Input Current
Power-On Reset
Threshold (POR)
TM
TM
A
= 25°C, unless otherwise noted.
Conditions
Active Mode, V
Shutdown Mode, EN1 = EN2 = 0V, V
T
T
T
V
I
V
From Enable to Output Regulation
V
I
I
V
V
V
Power-On Reset Delay
Power-On Reset On-Resistance
OUT
LX
LX
A
A
A
IN
IN
FB
IN
FB
FB
= 25°C, Channel 1 or 2
= 0°C ≤ T
= -40°C ≤ T
= 300mA
= 300mA
= 2.5V to 5.5V, I
= 3.0V
= 0.6V
= 3V, V
Ramping Up
Ramping Down
= 10mA to 600mA
FB
w w w . a n a l o g i c t e c h . c o m
w w w . a n a l o g i c t e c h . c o m
A
= 0.5V; Duty Cycle <35%
≤ +85°C, Channel 1 or 2
A
FB
≤ +85°C, Channel 1 or 2 (See Note 2)
= 0.5V
OUT
FB
= 10mA
to the output of the error amplifier.
Dual Channel 600mA Step-Down Converter
Dual Channel 600mA Step-Down Converter
IN
= 4.2V
PRODUCT DATASHEET
PRODUCT DATASHEET
0.5880
0.5865
0.5850
Min
-1.0
600
-30
2.5
1.2
1.5
AAT2514
AAT2514
0.6000
0.6000
0.6000
0.0015
Typ
0.11
0.35
0.28
1.20
-8.5
500
100
140
175
100
0.3
1.5
8.5
15
2514.2008.02.1.1
2514.2008.02.1.1
0.6120
0.6135
0.6150
Max
0.40
0.45
0.45
800
5.5
2.0
1.8
0.3
1.0
30
Units
%/mA
%/V
MHz
mA
ms
μA
nA
°C
°C
μA
μs
%
Ω
Ω
V
V
A
V
V

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