LTC4253A-ADJ_15 Datasheet, PDF (10/32 Pages) Linear Technology – 48V Hot Swap Controller with Sequencer

LTC4253A-ADJ
BLOCK DIAGRA
PWRGD1
EN2
PWRGD2
V_IN
V_IN
50µA
SQTIMER
DELAY
V_EE
V_IN
120µA
50µA
V_EE
EN3
PWRGD3
V_EE
V_IN
120µA
50µA
V_EE
V_EE
V_EE
SQTIMER
DELAY
SQTIMER
DELAY
OVL
5.09V –
OV
OVIN ₊
OVD
– 4V
V_IN
5µA
+
–
V_IN
+ 2.39V _8×
–
+
V_EE
0.33V
1×
5V
V_IN
50µA
1×
V_EE
V_EE
–
1×
V_IN
–+ ^2.8V
+
SQTIMER
DRAIN
GATE
UVL
UV
TIMER
UVIN _–
3.08V +
V_IN
V_IN
200µA
5µA ^{4V –}
+
–
V_EE
5µA
1V +
V_IN
V_EE
28µA
SS
47.5k
R_SS
2.5k
V_EE
V_EE
UVD
LOGIC
V_IN
20µA
10
SEL
RESET
–
+ 0.5V
+
FCL
–
–+ ^200mV
V_EE
V_OS = 10mV _–+
+
ACL
–
+
CB
–
–+ ^50mV
V_EE
V_EE
V_EE
SENSE
4253A BD
4253a-adjf