![](http://datasheet.mmic.net.cn/Linear-Technology/LTC4305IDHD-TRPBF_datasheet_98034/LTC4305IDHD-TRPBF_2.png)
LTC4305
4305f
2
ABSOLUTE
AXI U
RATI GS
W
WW
U
(Note 1)
Supply Voltage (VCC) ................................... –0.3V to 7V
Input Voltages (ADR0, ADR1, ADR2,
ENABLE, ALERT1, ALERT2) .................... –0.3V to 7V
Output Voltages (ALERT, READY) ............... –0.3V to 7V
Input/Output Voltages (SDAIN, SCLIN,
SCL1, SDA1, SCL2, SDA2) ...................... –0.3V to 7V
Output Sink Current (SDAIN, SCLIN, SCL1,
SDA1, SCL2, SDA2, ALERT, READY) ............... 10mA
Operating Temperature Range
LTC4305C ............................................... 0
°C to 70°C
LTC4305I ............................................. –40
°C to 85°C
Storage Temperature Range
DHD Package .................................... –65
°C to 125°C
GN Package ....................................... –65
°C to 150°C
Lead Temperature (Soldering, 10 sec)
GN Package ...................................................... 300
°C
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full specified temperature
range, otherwise specifications are at TA = 25°C. VCC = 3.3V unless otherwise noted.
PACKAGE/ORDER I FOR ATIO
UU
W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
GN PART MARKING
4305
4305I
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
TJMAX = 125°C, θJA = 135°C/W
1
2
3
4
5
6
7
8
TOP VIEW
GN PACKAGE
16-LEAD NARROW PLASTIC SSOP
16
15
14
13
12
11
10
9
ALERT2
ALERT
SDAIN
GND
SCLIN
ENABLE
VCC
ADR0
SCL2
SDA2
ALERT1
SDA1
SCL1
READY
ADR2
ADR1
16
15
14
13
12
11
10
9
17
1
2
3
4
5
6
7
8
SCL2
SDA2
ALERT1
SDA1
SCL1
READY
ADR2
ADR1
ALERT2
ALERT
SDAIN
GND
SCLIN
ENABLE
VCC
ADRO
TOP VIEW
DHD PACKAGE
16-LEAD (4mm
× 5mm) PLASTIC DFN
EXPOSED PAD (PIN 17) PCB CONNECTION OPTIONAL
MUST BE CONNECTED TO PCB TO OBTAIN
θJA = 43°C/W OTHERWISE θJA = 140°C/W. TJMAX = 125°C
LTC4305CDHD
LTC4305IDHD
ORDER PART NUMBER
DHD PART MARKING
4305
LTC4305CGN
LTC4305IGN
ORDER PART NUMBER
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply/Start-Up
VCC
Input Supply Range
●
2.7
5.5
V
ICC
Input Supply Current
Downstream Connected, VCC = 5.5V
●
5.2
8
mA
SCL Bus Low, SDA Bus High
ICC ENABLE = 0V
Input Supply Current
VENABLE = 0V, VCC = 5.5V
●
1.25
2.5
mA
VUVLOU
UVLO Upper Threshold Voltage
●
2.3
2.5
2.7
V
VUVLOHYST
UVLO Threshold Hysteresis Voltage
●
100
175
250
mV