AAT1275 Analogic Corporation, AAT1275 Datasheet - Page 4

• Manufacturer Part Number: AAT1275
• Manufacturer: Analogic Corporation

Electrical Characteristics
V
1. The AAT1275 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
4
Boost Converter
Load Switch
Control
(V
ΔV
CC
R
by design, characterization, and correlation with statistical process controls.
Symbol
V
R
V
R
OUT
R
I
DS(ON) _ IN
T
ΔV
OUT
LIM(MIN)
T
V
V
T
FLT _ LOW
IN,
I
DS(ON)H
V
V
V
DS(ON)L
F
T
= V
I
T
SHDN
DS(ON)
T
BLANK
LIMIT
V
T
I
I
J-HYS
UVLO
RESP
I
OUTx
TH-H
I
I
OUT
OSC
LIM
FLT
TH-L
J-TH
OFF
EN
η
ON
SS
Q
O
FB
OUT
*ΔV
V
/V
IN
CC
OUT
IN
= 3.6V, V
)
Description
Operating Input Voltage Range
Maximum Output Voltage Range
Under-Voltage Lockout
Quiescent Supply Current
Shutdown Current
Continuous Output Current
Input Switch Current Limit
FB Pin Regulation
Output Voltage Tolerance
Load Regulation
Line Regulation
High Side Switch On Resistance
Low Side Switch On Resistance
Input Disconnect Switch
Soft-Start Time
Efficiency
Switching Frequency
Current Limit Switch On Resistance
Current Limit
Minimum Current Limit
Current Limit Response Time
Turn-On Delay Time
Turn-Off Delay Time
FLT Logic Output Low
FLT Logic Output High Leakage Current
Fault Blanking Time
EN Threshold Low
EN Threshold High
EN Input Leakage
TJ Thermal Shutdown Threshold
TJ Thermal Shutdown Hysteresis
OUT1
= 5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
1
Boost Converter with USB Power Switch
Conditions
No Load, Switching
No Load, Not Switching, V
EN = GND
3V < V
No Load, T
I
V
I
V
V
V
V
From Enable to Output
Regulation
I
V
T
V
V
V
V
V
I
V
Rising and Falling Edge
V
LOAD
LOAD
OUT1
SINK
A
IN
IN
OUT1
OUT1
OUT1
IN
IN
OUT1
OUT1
OUT1
OUT1
FAULT
EN
= 25°C, I
= 2.7V to 5V
= 2.7V to 5V
= 3.6V, V
= 3.6V, V
= 5V, V
= 1mA
= 250mA, L = 2.2µH,
= 0 to 500mA,
= 0 to 500mA
= 5V, I
= 5V, I
= 5V, I
= 5V, T
= 5V
= 5V, R
= 5V, R
IN
= 5V
< 5V, V
A
IN
OUT1
OUT1
OUT1
OUT1
= 25°C
OUT1
OUT1
A
L
L
= 5V
= 25°C
= 10Ω
= 10Ω
O
= 500mA,
= 500mA
= 500mA
= 500mA
= 5V
= 5V
= 5V
FB
= 1.5V
0.591
Min
2.7
1.4
-3
-1
0.005
Typ Max Units
100
200
170
170
300
500
100
140
2.5
0.6
0.2
2.0
0.4
0.5
45
90
10
15
4
4
AAT1275
0.609
1275.2006.12.1.2
500
625
5.0
5.5
2.7
1.0
0.2
0.4
0.4
90
3
1
1
A
= 25°C.
%/mA
MHz
%/V
mΩ
mΩ
mΩ
mA
mA
mA
ms
ms
µA
µA
µA
µA
µs
µs
°C
°C
%
%
µs
Ω
V
V
V
A
V
V
V
V