ISL9021A Ver la hoja de datos (PDF) - Intersil
Número de pieza
componentes Descripción
Fabricante
ISL9021A Datasheet PDF : 10 Pages
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Block Diagram
ISL9021A
VIN
EN
TEMP
SENSOR
CONTROL
LOGIC
VOLTAGE
AND
REFERENCE
GENERATOR
PASS ELEMENT
SHORT-CIRCUIT
PROTECTION
THERMAL PROTECTION
SOFT-START
+
BANDGAP
VOUT
Pin Configurations
ISL9021A
(6 LD 1.6x1.6 µTDFN)
TOP VIEW
VIN 1
NC 2
EN 3
6 VO
5 NC
4 GND
ISL9021A
(4 BALL 2X2 WLCSP)
TOP VIEW
GND A2 B2 VOUT
EN A1 B1 VIN
GND
Pin Descriptions
PIN µTDFN WLCSP
NAME PIN # PIN #
DESCRIPTION
VIN 1
B1 IC Supply/LDO Input. Connect a 1µF
capacitor to GND.
NC 2, 5
- No Connect.
GND 4
A2 System ground pin.
EN
3
A1 LDO Enable. When this signal goes high,
the LDO is turned on.
VO,
6
VOUT
B2 LDO Output. Connect a 1µF to 4.7µF
capacitor to GND.
PAD -
- For µTDFN package option only. Connect it
to the system ground.
2
FN7845.0
May 27, 2011
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