DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
μ
PC79Lxx Series
THREE TERMINAL NEGATIVE VOLTAGE REGULATOR
<R>
DESCRIPTION
The
μ
PC79Lxx Series are three-terminal negative output voltage stabilization power supply circuit of fixed output
voltage. It regulates non-stabilized DC input voltage to output stabilized fixed voltage.
The four types of voltage value are
−5
V,
−8
V,
−12
V, and
−15
V, and they can be respectively used as power supply
circuit with maximum current capacity 100 mA.
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FEATURES
•
Output current : 100 mA
•
On-chip some protection circuits
(over current protection, thermal shut down)
•
Low noise : 31
μ
V
r.m.s.
(
μ
PC79L05)
•
High ripple rejection : 85 dB (
μ
PC79L05)
•
TO-92 package
<R>
ORDERING INFORMATION
Part Number
Package
3-PIN PLASTIC SIP (TO-92)
Note
Output Voltage
−5
V
−5
V
−5
V
−5
V
−8
V
−8
V
−8
V
−8
V
−12
V
−12
V
−12
V
−12
V
−15
V
−15
V
−15
V
−15
V
Marking
79L05
79L05
79L05
79L05
79L08
79L08
79L08
79L08
79L12
79L12
79L12
79L12
79L15
79L15
79L15
79L15
Package Type
Packed in envelope
Packed in envelope
Cube type taping 2500 pcs/cube
Cube type taping 2500 pcs/cube
Packed in envelope
Packed in envelope
Cube type taping 2500 pcs/cube
Cube type taping 2500 pcs/cube
Packed in envelope
Packed in envelope
Cube type taping 2500 pcs/cube
Cube type taping 2500 pcs/cube
Packed in envelope
Packed in envelope
Cube type taping 2500 pcs/cube
Cube type taping 2500 pcs/cube
μ
PC79L05J
μ
PC79L05J-A
μ
PC79L05J-T
μ
PC79L05J-T-A
μ
PC79L08J
μ
PC79L08J-A
μ
PC79L08J-T
μ
PC79L08J-T-A
μ
PC79L12J
μ
PC79L12J-A
μ
PC79L12J-T
μ
PC79L12J-T-A
μ
PC79L15J
μ
PC79L15J-A
μ
PC79L15J-T
μ
PC79L15J-T-A
Note
Note
Note
Note
Note
Note
Note
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
3-PIN PLASTIC SIP (TO-92)
Note
Pb-free (This product does not contain Pb in external electrode and other parts).
Remark
Output voltage
−5
V product is written in the text as
μ
PC79L05.
It applies to other output voltage products as same.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all products and/or types are available in every country. Please check with an NEC Electronics
sales representative for availability and additional information.
Document No. G18530EJ2V0DS00 (2nd edition)
(Previous No. IC-1944)
Date Published January 2007 NS CP(N)
Printed in Japan
1993, 2007
The mark <R> shows major revised points.
The revised points can be easily searched by copying an "<R>" in the PDF file and specifying it in the "Find what:" field.
μ
PC79Lxx Series
ABSOLUTE MAXIMUM RATINGS (T
A
= 25°C, unless otherwise specified)
Parameter
Input Voltage
Internal Power Dissipation
Operating Ambient Temperature
Operating Junction Temperature
Storage Temperature
Thermal Resistance (junction to ambient)
Symbol
V
IN
P
T
T
A
T
J
T
stg
R
th(J−A)
Rating
−30/−35
700
−20
to
+85
−20
to
+150
−55
to
+150
180
Note
Unit
V
mW
°C
°C
°C
°C/W
Note
μ
PC79L05, 08 :
−30
V,
μ
PC79L12, 15 :
−35
V
<R>
Caution Product quality may suffer if the absolute maximum rating is exceeded even momentarily for any
parameter. That is, the absolute maximum ratings are rated values at which the product is on the verge of
suffering physical damage, and therefore the product must be used under conditions that ensure that the
absolute maximum ratings are not exceeded.
<R>
TYPICAL CONNECTION
C
IN
: Required if regulator is located an appreciable distance from power supply filter (More than 2.2
μ
F).
C
OUT
: Connect it within 2 cm from OUTPUT pin and GND pin (More than 1
μ
F).
D
1
D
2
: Needed for V
IN
>
V
O
.
: Needed for V
O
>
GND.
RECOMMENDED OPERATING CONDITIONS
Parameter
Input Voltage
Symbol
V
IN
Type Number
MIN.
−7
−10.5
−14.5
−17.5
0
−20
−20
75
TYP.
−10
−14
−19
−23
40
MAX.
−20
−23
−27
−30
70
+85
+125
Unit
V
V
V
V
mA
°C
°C
μ
PC79L05
μ
PC79L08
μ
PC79L12
μ
PC79L15
Output Current
I
O
All
All
All
Operating Ambient Temperature T
A
Operating Junction Temperature T
J
Data Sheet G18530EJ2V0DS
3
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