AAT4290 Ver la hoja de datos (PDF) - Advanced Analogic Technologies
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AAT4290 Datasheet PDF : 12 Pages
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AAT4290/91
I/O Expander Load Switches with Serial Control
Electrical Characteristics
VIN = 5.0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C.
Symbol
VIN
IQ
IQ(OFF)
ISD(OFF)
VUVLO
VUVLO(hys)
Description
Operation Voltage
Quiescent Current
Off Supply Current
Off Switch Current
Under-Voltage Lockout
Under-Voltage Lockout Hysteresis
RDS(ON) On Resistance
TCRDS
On Resistance Temperature
Coefficient
AAT4290-1 and AAT4291-1
TD(ON)
TR
TD(OFF)
EN/SET
Output Turn-On Delay Time
Turn-On Rise Time
Turn-Off Delay Time
VEN(L)
VEN(H)
TLO
Enable Threshold Low
Enable Threshold High
EN/SET Low Time
THI
Minimum EN/SET High Time
TO
EN/SET Off Timeout
TLAT
EN/SET Latch Timeout
ISINK
EN/SET Input Leakage
Conditions
VIN = 5.5V, EN/SET = VIN, IOUT = 0,
All Switches ON
EN/SET = 0, VIN = 5.5V, VOUT Open
EN/SET = 0, VIN = 5.5V, VOUTn = 0
VIN Falling
VIN = 1.8V, TA = 25°C
VIN = 3.0V, TA = 25°C
VIN = 4.2V, TA = 25°C
VIN = 5.0V, TA = 25°C
Min Typ Max Units
1.8
5.5 V
4.5 8
µA
1
µA
0.1 1
µA
1.2
V
250
mV
2.5 3.8
1.5 2.2
Ω
1.2 1.8
1.1 1.7
2800
ppm°C
VIN = 5V, RLOAD = 500Ω, COUT = 0.1µF
40
ns
VIN = 5V, RLOAD = 500Ω, COUT = 0.1µF
270
ns
VIN = 5V, RLOAD = 500Ω
40
ns
VIN = 1.8V
VIN = 5.5V
VEN/SET < 0.4V
VIN ≤ 2.5V
VIN > 2.5V
VEN/SET = 5.5V
0.4 V
1.6
V
100
ns
500
ns
250
2.6 4.0 µs
2.6 4.0 µs
0.01 1
µA
1. The AAT4290/91 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is
assured by design, characterization, and correlation with statistical process controls.
4
4290.2006.03.1.2
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