EL7563 查看數據表（PDF） - Intersil
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EL7563 Datasheet PDF : 16 Pages
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EL7563
Typical Performance Curves (20 Pin SO Package) (Continued)
NOTE: The 28-Pin HTSSOP Package Offers Improved Performance
VIN=3.3V, VO=1.8V, IO=4A TO SHORT
IO
VO
Block Diagram
FIGURE 21. SHORT-CIRCUIT PROTECTION
0.1µF
390pF
VREF
COSC
VTJ
2.2nF
22Ω
VDD
JUNCTION
VOLTAGE
TEMPERATURE REFERENCE OSCILLATOR
CONTROLLER
SUPPLY
3.3V
0.22µF
EN
STP
STN
PWM
CONTROLLER
POWER
FET
DRIVERS
POWER
FET
POWER
TRACKING
SGND
FB
CURRENT
SENSE
VREF -
+
VDRV
D2
D4
0.22µF
VHI
VIN
D3
0.22µF
4.7µH
D1
330µF
0.1µF
1.58kΩ
VOUT
(2.5V, 4A)
2.2nF
PGND
1kΩ
PG
9
FN7296.2
May 13, 2005
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