LTC4253IGN Linear Technology, LTC4253IGN Datasheet - Page 3

• Manufacturer Part Number: LTC4253IGN
• Description: IC HOT SWAP CONTRLR -48V 16-SSOP
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC4253IGN

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: 11.2 V ~ 14.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP (0.150", 3.90mm Width)
• Family Name: LTC4253
• Package Type: SSOP N
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 3.99mm
• Product Height (mm): 1.5mm
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

elecTrical characTerisTics
temperature range, otherwise specifications are at T
SYMBOL
V
R
I
V
V
V
V
V
I
I
V
V
V
V
V
I
R
V
V
I
V
V
V
V
V
V
V
V
V
V
IN
RESET
EN
SS
GATE
Z
LKO
LKH
IH
IL
HYST
CB
ACL
ACL
FCL
SS
OS
ACL
GATE
GATEL
GATEH
UVHI
UVLO
UV
UVHST
OVHI
OVLO
Z
SS
CB
V
+ V
SS
OS
PARAMETER
V
V
V
V
V
TTL Input High Voltage
TTL Input Low Voltage
TTL Input Buffer Hysteresis
RESET Input Current
EN2, EN3 Input Current
Circuit Breaker Current Limit Voltage
Analog Current Limit Voltage
Circuit Breaker Current Limit Voltage
Fast Current Limit Voltage
SS Voltage
SS Pin Current
SS Output Impedance
Analog Current Limit Offset Voltage
Ratio (V
GATE Pin Output Current
External MOSFET Gate Drive
Gate Low Threshold
Gate High Threshold
UV Pin Threshold HIGH
UV Pin Threshold LOW
UV Pin Threshold
UV Pin Hysteresis
OV Pin Threshold HIGH
OV Pin Threshold LOW
IN
IN
IN
IN
IN
Undervoltage Lockout
Undervoltage Lockout Hysteresis
Analog Current Limit Voltage
– V
– V
Supply Current
EE
EE
ACL
Zener Voltage
Zener Dynamic Impedance
+ V
OS
) to SS Voltage
CONDITIONS
I
I
UV = OV = 4V, V
Coming Out of UVLO (Rising V
V
V
V
V
V
V
After End of SS Timing Cycle
UV = OV = 4V, V
V
UV = OV = 0V, V
V
UV = OV = 4V, V
V
UV = OV = 4V, V
V
UV = OV = 4V, V
V
V
Before Gate Ramp Up
V
PWRGD2, PWRGD3 Status
UV Low to High
UV High to Low
UV Low to High
OV Low to High
OV High to Low
IN
IN
EE
EN
CB
ACL
ACL
FCL
SS
SS
GATE
GATE
GATE
GATE
GATEH
= 2mA
= (2mA to 30mA)
≤ V
= 4V V
= (V
= 0V (Sourcing)
= 1V (Sinking)
= (V
= (V
= (V
= 0V (Sourcing)
= 3V (Sinking)
= 1V (Sinking)
– V
A
RESET
= V
SENSE
= 25°C. (Note 2)
SENSE
SENSE
SENSE
EE,
EN
IN
I
≤ V
– V
IN
The
= 0V
– V
– V
– V
– V
IN
SENSE
SENSE
SENSE
SENSE
SENSE
= 2mA
IN
GATE
EE
= (V
l
EE
EE
EE
)
)
), SS = Open or 2.2V
), SS = Open or 1.4V
, for PWRGD1,
denotes the specifications which apply over the full operating
= V
= V
= V
– V
– V
Z
– 0.3V)
EE,
EE,
EE
EE
EE
,
= 0.15V,
= 0.3V,
IN
)
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
LTC4253/LTC4253A
3.075 3.225 3.375
2.775 2.925 3.075
11.5
5.85
5.55
MIN
150
230
0.5
60
40
80
12
30
10
2
2
LTC4253
±0.1
±0.1
0.05
6.15
5.85
TYP
600
120
100
200
100
190
300
0.8
9.2
2.2
0.5
2.8
13
50
22
28
10
50
17
12
5
1
MAX
14.5
11.5
6.45
6.15
±10
180
±10
120
300
350
1.5
0.8
2.4
60
32
70
V
2
Z
11.5
0.25
1.05
1.25
3.05
MIN
150
292
60
45
16
30
10
2
LTC4253A
±0.1
±0.1
1.20
0.05
3.08
TYP
600
120
200
190
324
1.1
0.5
1.4
0.5
2.8
13
50
28
28
50
10
50
17
12
5
9
MAX
14.5
0.75
1.38
1.55
3.11
±10
180
±10
300
356
0.8
10
55
40
70
V
2
Z
425353afd
UNITS
3
V/V
V/V
mA
mV
mV
mV
mV
mA
mV
mA
mA
mV
mV
kΩ
µA
µA
µA
µA
µA
Ω
V
V
V
V
V
V
V
V
V
V
V
V
V
V