isl97701 Intersil Corporation, isl97701 Datasheet - Page 2
isl97701
Manufacturer Part Number
isl97701
Description
Boost Regulator With Integrated Schottky And Input Disconnect Switch
Manufacturer
Intersil Corporation
Datasheet
1.ISL97701.pdf
(10 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
isl97701IRZ-T7
Manufacturer:
INFINEON/英飞凌
Quantity:
20 000
Block Diagram
NSYNC
GND
NEN
FB
VDD
VDD
ISL97701
SYNCHRONIZATION
SIGNAL DETECTOR
OSCILLATOR
2
REFERENCE
VOLTAGE
+
-
ERROR
AMP
START
CLK
FIGURE 1. ISL97701 BLOCK DIAGRAM
1
0
MUX
STATE MACHINE
(DEFAULT SEQUENCE)
1. SOFT INRUSH
2. VDD
3. SOFT BOOST 25
4. SOFT BOOST 50
5. SOFT BOOST 75
6. NORMAL
C
COMP
OVER-TEMPERATURE
RESTART
RAMP-GENERATOR
OUT
COMPENSATION
DETECTOR
ISL97701
CLAMP
SLOPE
ENABLE
DISABLE AND WAIT
+
+
+
As
-
-
Av
-
Ai
Σ = 0
2
UNDER-VOLTAGE
-PWM TIMING
-CURRENT LIMIT
-PULSE SKIPPING
CONTROL LOGIC
DETECTOR
OVER-CURRENT
DETECTOR (DC)
EN
COMPARATOR
CURRENT
DETECTOR
VOLTAGE
DRIVER
LIMIT
GATE
OVER-
RSENSE
S2
April 23, 2007
VDD
VDDOUT
VOUT
LX
GND
FN6474.0