ltc4350 Linear Technology Corporation, ltc4350 Datasheet - Page 2

• Manufacturer Part Number: ltc4350
• Description: Hot Swappable Load Share Controller
• Manufacturer: Linear Technology Corporation

LTC4350
ABSOLUTE
(Note 1)
Supply Voltage (V
Input Voltage
OV, UV .......................................................– 0.3V to 17V
Output Voltage
GATE (Note 3) ...........................................– 0.3V to 20V
I
Operating Temperature Range
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
2
SYMBOL
DC Characteristics
I
V
V
V
V
V
V
V
V
I
V
V
V
V
I
R
V
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
OUT
CC
TM
SB(MAX)
LKOH
LKOL
FB
FBLIR
FBLOR
UVTH
OVTH
TM
G
GO
SB(MIN)
SB(MAX)
E/A2OFF
SB
TIMER ..................................................– 0.3V to 1.2V
R
FB ........................................................ – 0.3V to 5.3V
COMP1 ................................................... – 0.3V to 6V
COMP2 ................................................... – 0.3V to 3V
GAIN, SB ............................................. – 0.3V to 5.6V
R
LTC4350C ............................................... 0°C to 70°C
LTC4350I ........................................... – 40°C to 85°C
+
, STATUS ........................................... – 0.3V to 17V
SET .......................................................................
, R
–
PARAMETER
V
V
V
FB Pin Voltage
FB Line Regulation
FB Load Regulation
UV Pin Threshold
OV Pin Threshold
TIMER Pin Threshold
TIMER Pin Current
GAIN Pin Voltage
GAIN Pin Offset
SB Pin Minimum Voltage
SB Pin Maximum Voltage
SB Pin Maximum Current
SB Pin Resistor Value
E/A2 Offset
(Note 2) ......................................– 0.3V to 17V
CC
CC
CC
Supply Current
Undervoltage Lockout High
Undervoltage Lockout Low
CC
W
MAXIMUM
) ............................................... 17V
W W
RATINGS
U
– 0.3V to 1V
CONDITIONS
UV = V
0°C to 85°C (LTC4350I) or 0°C to 70°C (LTC4350C)
– 40°C to 85°C (LTC4350I)
V
COMP1 = 2V
COMP1 = 0.64V
High Going Threshold
Low Going Threshold
High Going Threshold
Low Going Threshold
TIMER On, V
TIMER On, V
R
R
V
V
V
V
CC
GAIN
GAIN
CC
CC
SB
SB
A
= 25°C. V
= 0V
= 3.3V to 12V, COMP1 = 1.240V
= 3.3V
= 12V
– V
= 25k, (V
= 25k, (V
CC
GAIN
The
TIMER
TIMER
●
CC
R
R
denotes the specifications which apply over the full operating
+
+
= 5V unless otherwise noted.
– V
– V
= 0V
= 0V, V
PACKAGE/ORDER
Consult LTC marketing for parts specified with wider operating temperature ranges.
R
R
–
–
) = 100mV
) = 0mV
COMP2
COMP1
TIMER
GAIN
OV
GND
UV
OV
SB
> V
T
JMAX
16-LEAD PLASTIC SSOP
OVTH
1
2
3
4
5
6
7
8
= 150°C, θ
GN PACKAGE
TOP VIEW
JA
= 135°C/W
16
15
14
13
12
11
10
9
V
STATUS
GATE
R
R
I
R
FB
OUT
CC
SET
+
–
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
– 1.75
– 5.30
INFORMATION
1.208
1.196
1.215
1.205
1.203
1.180
MIN
2.36
2.24
1.18
1.0
2.3
2.4
5.6
U
– 8
14
0
8
GN PART MARKING
– 0.0008 – 0.1
1.220
1.220
1.244
1.220
1.220
1.205
ORDER PART
LTC4350CGN
LTC4350IGN
0.02
0.003
TYP
2.45
2.34
1.22
0.02
– 33
1.6
2.5
2.7
7.8
– 2
– 6
20
25
2
NUMBER
W
4350
4350I
1.236
1.244
1.258
1.237
1.250
1.229
MAX
– 2.3
– 6.7
2.52
2.44
0.05
1.26
0.20
10.5
– 41
2.0
0.1
2.7
2.9
33
50
8
UNITS
U
4350fa
%/V
mA
mV
mA
mV
kΩ
µA
µA
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V