LTC4245CUHF#PBF Linear Technology, LTC4245CUHF#PBF Datasheet - Page 4

• 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

LTC4245
SYMBOL
V
V
I
V
V
V
I
I
I
I
I
R
I
V
Timer, Soft-Start
V
V
I
K
K
I
R
G
ELECTRICAL CHARACTERISTICS
4
range, otherwise specifi cations are at T
IN
TRI(IN,HL)
TRI(IN,Z)
ADR01(IN)
SENSE
OUT(ON)
VEEOUT(UP)
TIMER
SS
PB(TH)
IN(TH)
OL
TRI(H)
TRI(L)
PXG
TIMER(H)
TIMER(L)
TMRATIO
TMCAP
TS(DIS)
OUT(DIS)
SS
PARAMETER
Power Bad Threshold Voltage
Logic Input Threshold
Pin Input Current
Output Low Voltage
ADR2, ADR3, CFG Input High Threshold
ADRn, CFG Input Low Threshold
ADR2, ADR3, CFG High, Low Input
Current
ADR2, ADR3, CFG High Z Input Current
ADR0, ADR1 Input Current
Sense Pin Input Current
OUT Pin Input Current
OUT Pin Discharge Resistance
V
PRECHARGE Voltage
TIMER Pin High Threshold
TIMER Pin Low Threshold
TIMER Pin Pull-Up Current
TIMER Pin Current Ratio
Start-Up Time per TIMER Capacitance
SS Pin Pull-Up Current
TIMER, SS Discharge Resistance
Gain from SS Pin to Foldback Current
Limit (ΔV
EEOUT
12V
V
EESENSE
SENSE
Pull-Up Current
SNS(FB)
, 5V
SENSE
/ΔV
SS
A
, 3V
)
= 25°C. V
SENSE
12VIN
= 12V, V
CONDITIONS
12V
5V
5V
V
PGI, PCI_RST#, GPIOn
SDA, SCL
ON, PGI, PCI_RST#, V = 1.2V
SDA, SCL, ALERT#, GPIOn, HEALTHY#,
LOCAL_PCI_RST#, V = 6V
SDA, ALERT#, I = 5mA; GPIOn,
HEALTHY#, LOCAL_PCI_RST#, I = 3mA
V = 0V, V
V = 0.8V, V
V
After Start-Up
V
V
V
V
V
V
V
V
V
V
V
I
V
V
During Start-Up, V
During PGI Timeout, V
During Auto-Retry, V
(I
((V
Fast Ramp, V
Slow Ramp, V
V
12V
5V
PRECHARGE
ADR0
EEOUT
SENSE
VEESENSE
12VOUT
5VOUT
3VOUT
VEEOUT
12VOUT
5VOUT
3VOUT
VEEOUT
VEEOUT
TIMER
TIMER
TIMER
TIMER(RTRY)
OUT
OUT
IN
TIMER(H)
The
OUT
IN
, 3V
5VIN
, V
, V
, V
When V
, V
= V
= 3V, V
Rising
Falling
= 1.2V, V
= 5V, V
= 3.3V, V
= 2V, V
●
EEIN
IN
CFG
ADR1
= 12V, V
= –12V, V
= 6V, V
= –6V, V
= 0V
CC
CFG
= 5V, V
denotes the specifi cations which apply over the full operating temperature
= –12V
CC
IN
= Open, –70mA (Note 6)
– V
= 0V, Open
/I
= 0V
SS
= 0V, V
–0.8V
SS
TIMER(START)
CFG
ON
ON
ON
TIMER(L)
ON
= 0V
SS
ON
ON
ON
= 2V
= 2V
= 0V
= 0V
3VIN
ON
= V
TIMER
= 0V
= 1.2V
= 2V
= 2V
= 0V
CC
TIMER
= 2V
CC
TIMER
= 3.3V, V
)/I
, 3V
= 0V
TIMER(START)
)
= 0V
OUT
= 0V
VEEIN
)
= –12V, unless otherwise noted.
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
V
–10.8
CC
1300
MIN
10.8
0.95
–1.5
–1.5
±10
–30
650
125
130
–80
–16
4.5
2.8
0.8
1.6
0.2
2.5
0.1
1.6
–8
20
–0.8
V
–11.1
CC
–200
1000
1800
–100
11.1
4.63
2.56
0.23
23.3
TYP
–30
200
275
180
190
–36
–10
–20
225
2.9
1.0
1.8
0.2
0.4
0.3
75
–2
–2
46
23
0
1
2
–0.4 V
CC
–11.4
–280
1800
3200
–120
MAX
11.4
4.75
1.05
2.62
–2.5
–2.5
±80
–45
280
390
105
325
340
–54
–12
–24
400
3.0
1.2
2.0
0.4
0.8
0.4
2.7
±1
26
1
1
–0.2
UNITS
ms/μF
mV/V
mV/V
4245fa
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
%
Ω
Ω
Ω
Ω
Ω
V
V
V
V
V
V
V
V
V
V
V
V