Datasheet

LTC4417
8
4417f
FuncTional block DiagraM
+
–
+
–
LDO
PRIORITIZER
HIGHEST VALID PRIORITY
VB
LDO
V
OUT
V
OUT
VB
LDO
SHDN
I
SHDN
2µA
SHDN
1V
D2
P1
V3V2V1
LDO
SHDN
V
LDO
V
BEST
V3
V2
V1
P2
P3
P4
P5
2.4V
PRIORITIZED
NONOVERLAP
CONTROL
LOGIC
V
BESTGEN
+
–
VS1
350mV
120mV
GATE
DRIVER
REV
V
GS
VS1
V
LDO
V
LDO
BANDGAP
UVLO
V1
V2
GND
M3
M2
D1
CAS
V
LDO
V
LDO
I
CAS
20µA
V3
+
–
EN
HYS
EN
I
EN
2µA
1V
0.24V
0.5V
M4
D3
V
LDO
V
LDO
I
LIM
5µA
V
LDO
CURRENT SENSE/8
+
–
V
LDO
1V
+
–
V
LDO
I
HYS/8
UV
1V
M1
V
LDO
OV
V
LDO
HYS
+
–
OTA
30mV
256ms
TIMER
EXTERNAL
HYS
HYSTERESIS
CH1
VALID
UV1
UV2
UV3
OV1
OV2
OV3
CHANNEL 1
VALID1
VALID2
VALID3
+
–
+
CHANNEL 2
CHANNEL 3
+
–
+
–
VS1
VS2
VS3
DZ1
6.2V
G2
G3
4417 BD
G1
+
–