LTC4260 Linear Technology, LTC4260 Datasheet - Page 9

• Manufacturer Part Number: LTC4260
• Description: Positive High Voltage Hot Swap Controller
• Manufacturer: Linear Technology

FU CTIO AL DIAGRA
U
FB
UV
OV
GN/UH ONLY
BD_PRST
ON
SDAI
SDAO
SCL
ALERT
10µA
INTV
U
CC
1.235V
1.235V
1.235V
7.45V
3.5V
3.5V
V
DD
I
2
C
–
–
–
–
–
–
+
+
+
+
+
+
UVLO1
RST
UV
OV
BP
ON
W
PRESENT
UVS
OVS
RESET
ONS
V
BOARD
DD
UVLO
I
2
C ADDR
1.235V
3.5V
0.2V
8
5
+
–
2V
+
–
+
–
ADR0
TM1
TM2
A/D CONVERTER
INTERNAL
1 OF 27
PG
POWER
+
–
FOLDBACK
LOGIC
ADR1 ADR2
V
DD
18Ω
PWRGD
UH ONLY
V
V
CC
DDK
20mV TO
50mV
UVLO
+ –
FET ON
SENSE
5.5V
V
GEN
DD
–
+
UVLO2
CS
INTV
GND
+
–
CC
100µA
2µA
GP
3.8V
+
–
UH ONLY
CHARGE
DRIVER
EXPOSED
PAD
1.8V
PUMP
GATE
AND
V
SOURCE
LTC4260
DD
– SENSE
SOURCE
INTV
TIMER
ADIN
GATE
GPIO
CC
4260 BD
9
4260f