Datasheet

LTC4304
2
4304fa
V
CC
to GND .................................................. –0.3V to 7V
SDAIN, SCLIN, SDAOUT, SCLOUT, READY, ENABLE,
FAULT, ACC .................................................. –0.3V to 7V
Operating Temperature
LTC4304C ................................................ 0°C to 70°C
LTC4304I .............................................–40°C to 85°C
(Notes 1, 2)
The
● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 2.7V to 5.5V, unless otherwise noted.
SDAIN, SCLIN, SDAOUT, SCLOUT,
FAULT READY (Note 3) .........................................30mA
Storage Temperature Range
MSOP ................................................–65°C to 150°C
DFN ....................................................–65°C to 125°C
Lead Temperature (Soldering, 10sec)
MSOP ............................................................... 300°C
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Power Supply
V
CC
Positive Supply Voltage ● 2.7 5.5 V
I
CC
Supply Current V
CC
= 5.5V, V
SDAIN
= V
SDAOUT
= 0V (Note 7) ● 6 8 mA
Supply Current, ENABLE = GND V
CC
= 5.5V 1.5 mA
Startup Circuitry
V
PRE
Precharge Voltage SDA, SCL Floating, V
CC
= 5.5V ● 0.8 1 1.2 V
T
IDLE
Bus Idle Time ● 60 95 175 µs
V
OL_READY
READY Output Low Voltage I
PULLUP
= 3mA ● 0.4 V
I
PULLUP
= 6mA, V
CC
= 4.7V ● 0.4 V
V
THR_ENABLE
ENABLE Threshold ● 0.8 1.4 2 V
I
ENABLE
ENABLE Input Current ENABLE from 0 to V
CC
● 0.1 ±1.5 µA
V
THR
SDA, SCL Logic Input Threshold Voltage Rising Edge ● 1.6 1.8 2 V
TOP VIEW
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
EXPOSED PAD (PIN 11)
PCB GND CONNECTION OPTIONAL
10
9
6
7
811
4
5
3
2
1
V
CC
SDAOUT
SDAIN
FAULT
READY
ENABLE
SCLOUT
SCLIN
ACC
GND
1
2
3
4
5
ENABLE
SCLOUT
SCLIN
ACC
GND
10
9
8
7
6
V
CC
SDAOUT
SDAIN
FAULT
READY
TOP VIEW
MS10 PACKAGE
10-LEAD PLASTIC MSOP
T
JMAX
= 125°C, θ
JA
=200°C/W
ORDER PART NUMBER DD PART MARKING* ORDER PART NUMBER MS PART MARKING*
LTC4304CDD
LTC4304IDD
LBBD
LBBD
LTC4304CMS
LTC4304IMS
LTBBC
LTBBC
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
T
JMAX
= 125°C, θ
JA
= 43°C/W
ELECTRICAL CHARACTERISTICS
ABSOLUTE AXI U RATI GS
W
WW
U
FOR ATIOPACKAGE/ORDER I
UUW