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PJ7809B 반도체 회로 부품 판매점

3-Terminal Fixed Voltage Positive Regulators



Promax-Johnton 로고
Promax-Johnton
PJ7809B 데이터시트, 핀배열, 회로
www.DataSheet4U.com
PJ7800B Series
3-Terminal Fixed Voltage Positive Regulators
These voltage regulators are monolithic integrated
circuits designed as fixed-voltage regulators for a wide
variety of applications including local, on-card regulation.
These regulators employ internal current limiting, thermal
shutdown, and safe-area
compensation.
FEATURES
Output Current up to 1 Ampere
No External Components Required
Internal Thermal Overload Protection
Internal Short-Circuit Current Limiting
Output Transistor Safe-Area Compensation
Output Voltage Offered in 4% Tolerance
CIRCUIT SCHEMATIC
Representative Schematic Diagram
With adequate heatsinking they can deliver output currents
up to 1 ampere.
Although designed primarily as a fixed voltage
regulator, these devices can be used with external
components to obtain adjustable voltages and currents.
PIN ARRANGEMENT
TO-220
TO-220F
Pin: 1.Input
2.Ground
3.Output
(Heatsink surface connected to Pin 2.)
ORDERING INFORMATION
Device
PJ78xxCZ
PJ78xxCI
Operating Temperature
0°C ~ +70°C
Package
TO-220
TO-220F
Standard Application
A common ground is required between the input and
the output voltages. The input voltage must remain
typically 2.0V above the output voltage even during
the low point on the Input ripple voltage.
XX = these two digits of the type number indicate
voltage.
* = Cin is required if regulator is located an
appreciable distance from power supply filter.
** = Co is not needed for stability; however, it does
improve transient response.
1-9 2003/06.rev.B


PJ7809B 데이터시트, 핀배열, 회로
www.DataSheet4U.com
PJ7800B Series
3-Terminal Fixed Voltage Positive Regulators
ABSOLUTE MAXIMUM RATINGS (Ta=25)
RATING
Input Voltage
SYMBOL
Vin *
Input Voltage
Vin **
Power Dissipation TO-220
TO-220
TO-220F
Operating Ambient Temperature
Without heatsink
Pt ***
With heatsink
Topr
PJ7800B Series
35
40
2
15
10
0 to +70
UNIT
V
V
℃/ W
Operating Junction Temperature
Tj
0 to +150
Storage Temperature
Note: * PJ7805B to PJ7818B
** PJ7824B
*** Follow the derating curve
Tstg
-25 to +150
PJ7805B ELECTRICAL CHARACTERISTICS
(Vin=10V, Iout=500mA, 0Tj125, Cin=0.33μF, Cout=0.1μF; unless otherwise specified.)
CHARACTERISTICS SYMBOL
TEST CONDITIONS
MIN. TYP. MAX. UNIT
Output Voltage
Tj=25
4.80 5 5.20
Vout
7VVin20V, 5mAIout1A, PD15W
4.75
5
5.25
V
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Ripple Rejection Ratio
REGline Tj=25
7.5VVin25V
8VVin12V
-- 3 100 mV
-- 1 50 mV
REGload Tj=25
5mAIout1A
250mAIout750mA
--
--
15 100 mV
5 50 mV
Iq Iout=0, Tj=25
-- 4.2 8 mA
ΔIq
7VVin25V
5mAIout1A
-- -- 1.3 mA
-- -- 0.5 mA
Vn 10Hzf100KHz, Tj=25
-- 40 -- μV
RR f=120Hz, 8VVin18V
62 78 -- dB
Voltage Drop
Vdrop Iout=1.0A, Tj=25
-- 2 -- V
Output Resistance
Rout f=1KHz
-- 17 -- m
Output Short Circuit Current
Ios Tj=25
-- 750 -- mA
Peak Output Current
Io peak Tj=25
-- 2.2 --
A
Temperature Coefficient of
Output Voltage
ΔVout/ΔTj Iout=5mA, 0Tj125
-- -0.6 -- mV/
* Pulse testing techniques are used to maintain the junction temperature as close to the ambient temperature as possible, and
thermal effects must be taken into account separately.
** This specification applies only for DC power dissipation permitted by absolute maximum ratings.
2-9 2003/06.rev. B




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PJ7809B regulator

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3-Terminal Fixed Voltage Positive Regulators - Promax-Johnton