AAT4672ITP-T1 ANALOGICTECH [Advanced Analogic Technologies], AAT4672ITP-T1 Datasheet - Page 4

• Manufacturer Part Number: AAT4672ITP-T1
• Description: Power Supply Selector Switch
• Manufacturer: ANALOGICTECH [Advanced Analogic Technologies]

Electrical Characteristics
V
1. The output charge voltage accuracy is specified over the 0° to 70°C ambient temperature range; operation over the -25°C to +85°C temperature range is guaranteed by
4
4
SmartSwitch
SmartSwitch
Operation
Power Switches
Current Regulation
Logic Control / Protection
MAIN/AUX
I
I
design.
R
LIM_MAIN_range
Symbol
R
V
V
t
LIM_AUX_range
I
V
V
I
I
DS(ON) MAIN
SOFT_START
I
MAIN_SHDN
I
I
DROOP_OUT
I
AUX_SHDN
DS(ON) AUX
UVLO_MAIN
I
MAIN_SLP
LIM_MAIN
V
UVLO_AUX
V
MAIN-AUX
MAIN_OP
T
V
AUX_SLP
LIM_AUX
AUX_OP
V
IH(EN)
IL(EN)
SHDN
MAIN
AUX
= 5V, T
Description
MAIN Operating Voltage Range
AUX Operating Voltage Range
MAIN Switch-Over Threshold (Input Voltage
Difference)
MAIN Under-Voltage Lockout
AUX Under-Voltage Lockout
MAIN Normal Operating Current
MAIN Shutdown Mode Current
MAIN Sleep Current
AUX Normal Operating Current
AUX Shutdown Mode Current
AUX Sleep Current
MAIN-to-OUT FET On-Resistance
AUX-to-OUT FET On-Resistance
OUT Voltage Droop from the Lower Volt-
age of MAIN and AUX, When Switching Over
Between MAIN and AUX
Soft-Start Delay
MAIN Current Limit Range
AUX Current Limit Range
MAIN Current Limit Accuracy
AUX Current Limit Accuracy
Logic High Threshold
Logic Low Threshold
Chip Thermal Shutdown Temperature
A
= -40 to +85°C, unless otherwise noted. Typical values are at T
TM
TM
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
MAIN, AUX > 2.5V
Rising edge
Hysteresis
Rising edge
Hysteresis
V
V
V
V
V
V
V
V
V
V
I
Delay of start from EN , or UVLO
PWRSEL = 5V
PWRSEL = 0V
R
R
Threshold
Hysteresis
O(OUT)
MAIN
MAIN
MAIN
AUX
AUX
MAIN
MAIN
MAIN
AUX
AUX
IAUX
IMAIN
= 5V, V
= V
= 5.0V
= 3.5V
= 100kΩ
= 5V, V
= V
= 2.5V, V
= 5V, V
= 5.0V
= 3.5V
= 100kΩ
= 0.5A, C
EN
EN
= 5V, OUT open
= 5V, OUT open
EN
EN
AUX
= 0V
AUX
= 0V
= 2.5V, V
O(OUT)
= 5V, V
PWRSEL = 5V
PWRSEL = 0V
= 10µF
EN
EN
Power Supply Selector Switch
Power Supply Selector Switch
= 0V
= 0V
A
= 25°C.
PRODUCT DATASHEET
PRODUCT DATASHEET
+ 0.15
Min
0.04
0.18
V
2.5
2.5
0.2
0.2
0.8
0.8
1.6
AUX
AAT4672
AAT4672
+ 0.2
Typ
0.12
0.14
0.12
0.14
V
150
100
140
0.1
0.1
0.2
10
10
15
AUX
1
1
1
1
4672.2008.04.1.0
4672.2008.04.1.0
+0.25
Max
0.22
V
2.3
2.3
2.0
2.0
0.4
1.2
1.2
0.4
30
30
6
6
AUX
1
5
1
5
Units
mV
µA
µA
µA
µA
µA
µA
µs
°C
V
V
V
V
V
Ω
Ω
A
A
A
A
V
V