Datasheet

9
2801234fe
LTC2801/LTC2802/
LTC2803/LTC2804
block diaGraM
5k
5k
GND
GND
V
L
V
DD
V
L
V
L
V
EE
GND
CONTROL
BOOST
REGULATOR
V
EE
T2OUT
T1OUT
R2IN
R1IN
V
DD
C3
1µF
C2
1µF
**
**
** LTC2803
LTC2804
LTC2803-1
LTC2804-1
LTC2801
LTC2802
LTC2803
LTC2804
LTC2803-1
LTC2804-1
**
**
CAPSW
C1
220nF
L1
10µH
V
CC
C4
1µF
C5
220nF
T2IN
T1IN
R2OUT
R1OUT
PS
MODE
ON/OFF
V
L
1.8V TO 5.5V
1.8V TO 5.5V
2801 BD
FEATURE 2801 2802 2803 2803-1 2804 2804-1
DRIVERS and RECEIVERS 1 + 1 1 + 1 2 + 2 2 + 2 2 + 2 2 + 2
PACKAGE DFN-12 DFN-12 DFN-16 SSOP-16 DFN-16 SSOP-16
1.8V - 5.5V OPERATION
l l l l l l
1.8V - 5.5V LOGIC SUPPLY (V
L
)
l l l l l l
SHUTDOWN (1µA)
l l l l l l
RECEIVER(S) ACTIVE (15µA)
l l l l
DRIVER(S) DISABLE
l l l l
100kb/s for R
L
= 3kΩ, C
L
= 2.5nF
l l l l l l
250kb/s for R
L
= 3kΩ, C
L
= 1nF
l l l l l l
1Mb/s for R
L
= 3kΩ, C
L
= 250pF
l l l
Feature SuMMary