FAN2558 Fairchild Semiconductor, FAN2558 Datasheet - Page 2
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FAN2558
Manufacturer Part Number
FAN2558
Description
The FAN255 low-voltage CMOS LDO features fixed or adjustable output voltage, 180mA load current, delayed power good output (open drain), and 1% output accuracy with excellent line and load regulation
Manufacturer
Fairchild Semiconductor
Datasheet
1.FAN2558.pdf
(15 pages)
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FAN2558/FAN2559
Pin Assignments
Pin Descriptions
2
Pin no.
Symbol
1
2
3
4
5
6
V
GND
BYP
ADJ
V
PG
EN
OUT
IN
GND
5-Lead SOT-23 PACKAGE
V IN
EN
5SOT-23
Power Supply Input
Regulated Voltage Output
Ground Connection
Power Good Output, Open Drain
Ratio of potential divider from V
Reference Noise Bypass
Chip Enable Input. The regulator is fully enabled when TTL “H” is applied to this input. The regulator
enters into shutdown mode when TTL “L” is applied to this input.
GND.
V
1
2
3
V
EN
PG
FAN2558
OUT
IN
FAN2558
5
4
V OUT
PG
2x2mm MLP-6
V
GND
NC
PG
EN
V
OUT
IN
6-Lead SOT-23 PACKAGE
GND
V IN
EN
FAN2558ADJ/FAN2559
out
1
2
3
TOP-VIEW
6SOT-23
to ADJ determines output voltage
GND.
Pin Function Description
V
ADJ
V
PG
EN
OUT
IN
FAN2558ADJ
6
5
4
Pin Name
V OUT
ADJ/BYP
PG
2x2mm MLP-6
V
GND
ADJ
PG
V
EN
OUT
IN
NC/ADJ/BYP
FAN2558/FAN2558ADJ/FAN2559
2x2mm MLP-6 PACKAGE
V OUT
PG
6SOT-23
1
2
3
GND.
V
BYP
V
EN
PG
OUT
IN
PRODUCT SPECIFICATIONS
6
5
4
FAN2559
V IN
GND
EN
REV. 1.0.4 3/15/04
2x2mm MLP-6
V
GND
BYP
PG
EN
V
OUT
IN