LTC4245CUHF#PBF Linear Technology, LTC4245CUHF#PBF Datasheet - Page 12

• 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
BLOCK DIAGRA
12
BD_SEL#
5V
ALERT#
INTV
5V
TIMER
* UHF PACKAGE ONLY
A[6], D[7], etc. REFER TO REGISTER BITS
5V
SENSE
ADR0
ADR1
ADR2
ADR3
5V
GATE
SDA
SCL
OUT
ON
CC
IN
1.235V
12V
5.5V
GEN
HI: 15mV
LO: 0mV
ADDRESS
12V
RAMP
SELECT
1 OF 32
V
IN
GATE DRIVER
CC
IN
20µA
5
10µA
+
–
–
+
12V
–
+
–
OUT
SS
5
+
–
W
ACL
M1
25mV
CHARGE PUMP
RAMP
HI: 0 TO 40mV
LO: 75mV
GATE DRIVER
V
B[3]
5
A[6]
CC
5V ACL ON
3.8V
V
D[4]
D[5]
I
100µA,
10µA,
2µA
CC
5
TMR
+
–
ECB
TRIP
–
+
ECB
5V
5
0.23V
12V
I
2
+ –
C
TIMER CONTROL
RAMP
–12V ECB TRIP
GATE
CP
TO LOGIC
ECB
4
TL
XX
ACL
12V
ACL
ON
RESET
8
EE
+ –
12
2.56V
RESET
–
+
CP
REGISTER
–
+
RAMP
HI: 30mV
LO: 0mV
TH
ARRAY
A TO U
V
50mV
EESENSE
8
12
12V
RAMP
HI: 0 TO 80mV
LO: 150mV
SS
SENSE
RAMP
HI: 30mV
LO: 0mV
8
12
LOGIC
4
12V
EE
RAMP
HI: 0 TO 80mV
LO: 150mV
MONITOR
ADC
IN
POWER
50mV
BAD
3V
SS
EE
OUT
4
–
+
D[6]
–
+
1 OF 13
GATE DRIVER
MUX
TRIP
MONITOR
12V
ECB
12V
ACL
ECB
V
5V
3V
EEOUT
–12V ACL ON, TO LOGIC
UVL
OUT
OUT
OUT
12
EE
V
GATE DRIVER
4
4
4
EEIN
3V
V
V
V
FOLDBACK
V
IN
IN
OUT
EEGATE
GATE
3.3V ECB
-V
12V
TRIP
GPIO1
GPIO2
GPIO3
SENSE
3.3V ACL ON
IN
V
12V
5V
3V
V
CC
20µA
ECB
A[3]
EEIN
20µA
D[7]
M2
IN
IN
2µA
IN
20µA
3
4
–
+
V
V
EEOUT
CC
RAMP
25mV
2.3R
HI: 15mV
I
LO: 0mV
SS
RAMP
R
XX
SS
G[0]
G[3]
G[1]
G[4]
G[2]
G[5]
EXPOSED PAD*
3
+
–
–
+
A[4]
–
–
+
+
ACL
RAMP
HI:
0 TO
40mV
LO:
75mV
3
M3
M4
M5
M6
M7
3
3V
3V
PRECHARGE
SS
PGI
CFG
HEALTHY#
LOCAL_PCI_RST#
PCI_RST#
GPI01
GPI02*
GPI03*
GND
SENSE
IN
4245fa