AAT2784 Analogic Corporation, AAT2784 Datasheet - Page 4

• Manufacturer Part Number: AAT2784
• Manufacturer: Analogic Corporation

Electrical Characteristics
V
1. The AAT2784 is guaranteed to meet performance specifications over the –40 C to +85 C operating temperature range, and is assured by design, characterization and correla-
4
4
SystemPower
SystemPower
IN
Symbol
R
R
ΔV
tion with statistical process controls.
ΔV
R
R
I
I
DS(ON)H1,2
DS(ON)L1,2
F
= V
I
DS(ON)H3
DS(ON)L3
I
LX _ LEAK
LX _ LEAK
F
V
V
I
I
OSC1,2
T
LIM1,2
LOADREG
V
T
V
I
SHDN
LINEREG
V
I
I
LIM3
OSC3
Q1,2
T
OUT
OUT
HYS
Q3
EN
FB
SD
IN
IH
S
IL
P
= 3.6V; T
Description
Input Voltage
Output Voltage Tolerance
Output Voltage Range
Quiescent Current Channels 1, 2
Quiescent Current Channel 3
Shutdown Current
LX Reverse Leakage Current
LX Leakage Current
Feedback Leakage
P-Channel Current Limit
P-Channel Current Limit
High Side Switch On-Resistance
Low Side Switch On-Resistance
High Side Switch On-Resistance
Low Side Switch On-Resistance
Load Regulation
Line Regulation
Oscillator Frequency Channels 1, 2
Oscillator Frequency Channel 3
Start-Up Time
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
Enable Threshold Low
Enable Threshold High
Enable Input Current
TM
TM
A
= -40°C to 85°C, unless noted otherwise. Typical values are at T
1
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
Conditions
I
V
Per Channel, No Load
No Load
V
V
V
V
I
V
From Enable to Output Regulation
V
OUT1
LOAD1,2
IN
EN1
IN
IN
FB
IN
IN
= 2.7 to 5.5V
Open, V
= 5.5V, V
= 2.7 to 5.5V
= V
= 1.0V
= V
= 0 to 1.5A; I
= 0 to 300 mA; I
EN
EN2
= 5.5V
= V
LX
= 5.5V; V
LX
3-Channel Step-Down DC/DC Converter
3-Channel Step-Down DC/DC Converter
EN3
= 0 to V
= GND
OUT2,3
EN
IN
LOAD3
= 0 to 300mA;
= 0V
= 0 to 1.5A
PRODUCT DATASHEET
PRODUCT DATASHEET
A
= 25°C.
Min
-3.0
-1.0
2.7
0.6
1.4
AAT2784
AAT2784
Typ
3.81
480
400
150
120
150
140
1.8
0.8
0.5
1.8
1.8
50
45
15
2784.2007.11.1.1
2784.2007.11.1.1
Max
100
5.5
3.0
1.0
1.0
1.0
0.2
0.6
1.0
V
90
IN
Units
MHz
MHz
mΩ
mΩ
mΩ
mΩ
μA
μA
μA
μA
μA
μA
μA
μs
°C
°C
%
%
%
V
V
A
A
V
V