ISL6142 Datasheet, PDF (3/23 Pages) Intersil Corporation – Negative Voltage Hot Plug Controller

ISL6142, ISL6152 Block Diagram
GND
ISL6142, ISL6152
V_DD
R4
V_EE
UV
R5
OV
R6
-
1.265V ₊
+
-
V_EE
-
1.255V ₊
+
-
V_EE
+
1.255V _-
+
-
V_EE
-
210mV ₊
+
-
V_EE
LOGIC
SUPPLY
R10
FAULT
DIS
LOGIC
INPUT
CT
C3
-
50mV ₊
+
-
V_EE
V_EE
V_EE+5V 13V
-
8.5V ₊
V_EE
+
-
V_EE
UVLO
UV
OV
LOGIC,
TIMING,
GATE
DRIVE
HARD
FAULT
REGULATOR,
REFERENCES
13V
GATE
CURRENT
LIMIT
REGULATOR
FAULT
DISABLE
-
11.1V ₊
+
-
V_EE
-
1.3V ₊
+
-
V_EE
-
8.0V ₊
+
-
V_EE
TIMER
STOP ^GATE
LATCH,
LOGIC,
OUTPUT
DRIVE
TO ADC
R9
-48V IN
IS_OUT
CURRENT
SENSE
V_{EE IS- IS+ SENSE}
R7
R8
GATE
DRAIN
R3 C2
C1
R2
R1
Q1
FIGURE 1. BLOCK DIAGRAM
3
GND
PWRGD
(ISL6142)
PWRGD
(ISL6152)
LOAD
CL
RL
-48V OUT