LTC4245CUHF#PBF Linear Technology, LTC4245CUHF#PBF Datasheet - Page 3

• Manufacturer Part Number: LTC4245CUHF#PBF
• Description: IC CNTRLR HOT SWAP 38-QFN
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC4245CUHF#PBF

• Applications: CompactPCI™
• Internal Switch(s): No
• Voltage - Supply: 3.3V, 5V, 12V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 38-WFQFN, Exposed Pad
• Family Name: LTC4245
• Package Type: QFN EP
• Operating Supply Voltage (min): 2.25/4.25/10.2/-10.2V
• Operating Supply Voltage (max): 0/10/20/-20V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Product Depth (mm): 5mm
• Product Length (mm): 7mm
• Mounting: Surface Mount
• Pin Count: 38
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS
SYMBOL
Supplies
I
V
V
Current Limit
ΔV
ΔV
ΔV
ΔV
Gate Drive
ΔV
I
I
I
Input/Output Pins
V
ΔV
I
range, otherwise specifi cations are at T
DD
GATE(UP)
GATE(DN)
GATE(FST)
BD_SEL#(UP)
UVL
CC
ON, BD_SEL#(TH)
SNS(CB)
SNS(ACL)
SNS(FBL)
SNS(FBH)
GATE
ON, BD_SEL#(HYST)
,
PARAMETER
Input Supply Current
Supply Undervoltage Lockout
Internal Regulator Voltage
Circuit Breaker Trip Sense Voltage
Active Current Limit Sense Voltage
Foldback Current Limit Sense Voltage
Gate Drive
Gate Pull-Up Current
Gate Pull-Down Current
Gate Fast Pull-Down Current
ON, BD_SEL# Pin Threshold Voltage
ON, BD_SEL# Pin Hysteresis
BD_SEL# Pull-Up Current
(V
(V
(V
(V
(V
(V
(V
(V
(V
(V
(V
(V
12V
V
12V
3V
V
EEGATE
EEGATE
12VIN
5VIN
3VIN
VEESENSE
12VIN
5VIN
3VIN
VEESENSE
12VIN
5VIN
3VIN
VEESENSE
GATE
GATE
GATE
– V
– V
– V
– V
– V
– V
– V
– V
– V
, 5V
, 5V
5VSENSE
3VSENSE
5VSENSE
3VSENSE
5VSENSE
3VSENSE
12VSENSE
12VSENSE
12VSENSE
– V
– V
– V
GATE
GATE
VEEIN
VEEIN
VEEIN
, 3V
)
)
)
)
)
)
A
= 25°C. V
)
)
)
)
)
)
GATE
,
12VIN
= 12V, V
CONDITIONS
12V
5V
3V
V
12V
5V
5V
V
V
After Start-Up
After Start-Up
Start-Up, V
V
V
V
V
V
V
V
V
Gate to Source
Gate Drive On, ΔV
Gate Drive Off, ΔV
V
V
Fast Turn Off, ΔV
V
V
V
V
V
EEIN
EEIN
CC
12VOUT
12VOUT
5VOUT
5VOUT
3VOUT
3VOUT
VEEOUT
VEEOUT
OUT
VEEGATE
12VGATE
3VGATE
VEEGATE
ON
BD_SEL#
IN
IN
IN
IN
The
IN
IN
Falling
, PRECHARGE Open
, V
Rising, V
When V
, V
5VIN
= V
CFG
= 0V
= 5V
= 0V
= 3.3V
CFG
●
= 8.3V
= 0V
= 12V
= 0V
= –12V
IN
= –7V
= –7V
= 17V, V
= 0V
= 5V, V
denotes the specifi cations which apply over the full operating temperature
= 0V, Open
TIMER
= 0V
CFG
BD_SEL#
= V
GATE
= 0V
3VIN
5VGATE
GATE
GATE
CC
Rising
= 5V
, 3V
= 3.3V, V
= 0V
= 5V
= 10V
IN
VEEIN
= –12V, unless otherwise noted.
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
–10.2
MIN
10.2
4.25
22.5
22.5
1.21
130
130
–16
125
155
2.7
3.4
0.9
1.7
45
40
60
60
10
40
22
22
11
40
32
70
–7
5
4
4
5
–10.5
1.235
–0.5
10.5
4.38
TYP
150
150
–20
250
310
120
–10
0.5
0.6
2.8
3.8
5.5
7.5
7.5
6.2
1.3
3.5
50
25
25
50
75
75
15
50
25
25
16
50
65
3
LTC4245
–10.8
MAX
10.8
27.5
27.5
1.26
170
170
–24
375
465
170
–16
4.5
2.9
4.2
7.5
1.7
5.3
–1
55
60
90
90
20
60
11
29
11
29
21
60
98
5
1
1
6
UNITS
4245fa
3
mA
mA
mA
mA
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
mA
mV
μA
µA
V
V
V
V
V
V
V
V