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PDF TS78Mxx Data sheet ( Hoja de datos )
| Número de pieza | TS78Mxx | |
| Descripción | (TS78M00 Series) 3-Terminal Medium Current Positive Voltage Regulator | |
| Fabricantes | Taiwan Semiconductor | |
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TS78M00 series
3-Terminal Medium Current Positive Voltage Regulator
Pin assignment:
1. Input
2. Ground
3. Output
(Heatsink surface
connected to Pin 2)
Voltage Range 5V to 24V
Output Current up to 0.5A
General Description
The TS78M00 Series positive voltage regulators are identical to the popular TS7800 Series devices, except that they are
specified for only half the output current. Like the TS7800 devices, the TS78M00 Series 3-Terminal regulators are
intended for local, on-card voltage regulation.
Internal current limiting, thermal shutdown circuitry and safe-area compensation for the internal pass transistor combine
to make these devices remarkably rugged under most operating conditions. Maximum output current with adequate
heatsink is 500mA
This series is offered in 3-pin TO-220, TO-252 package.
Features
Standard Application
Output current up to 0.5A
No external components required
Internal thermal overload protection
Internal short-circuit current limiting
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Output transistor safe-area compensation
Output voltage offered in 4% tolerance
Ordering Information
Part No.
TS78MxxCZ
TS78MxxCP
Operating Temp. Package
(Ambient)
-20 ~ +85oC
TO-220
TO-252
Note: Where xx denotes voltage option.
Absolute Maximum Rating
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.
Input Voltage
Input Voltage
Power Dissipation
TO-220
TO-220
TO-252
Operating Junction Temperature Range
Storage Temperature Range
Note : * TS78M05 to TS78M18
** TS78M24
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*** Follow the derating curve
Vin *
Vin **
Without heatsink
Pt ***
Without heatsink
TJ
TSTG
35
40
2
15
1
0 ~ +150
-65 ~ +150
V
V
W
oC
oC
TS78M00 series
DataSheet4 U .com
1-8
2003/12 rev. B
DataShee
1 page  
www.DataSheet4U.com
TS78M18 Electrical Characteristics
(Vin=27V, Iout=350mA, 0 oC≤Tj≤125 oC, Cin=0.33uF, Cout=0.1uF; unless otherwise specified.)
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Parameter
Symbol
Test Conditions
Tj=25 oC
Min
17.30
Typ
18
Output Voltage
Vout
21V≤Vin≤33V,
17.14
18
5mA≤Iout≤350mA, PD ≤5W
Line Regulation
REGline Tj=25 oC
21V≤Vin≤33V,
Io=200mA
-- 8
Load Regulation
Quiescent Current
REGload Tj=25 oC
5mA≤Iout≤500mA
--
25
5mA≤Iout≤200mA -- 10
Iq Tj=25 oC, Iout=0
-- 3
Quiescent Current Change
Output Noise Voltage
∆Iq 21V≤Vin≤33V
5mA≤Iout≤350nA
Vn 10Hz≤f≤100KHz, Tj=25 oC
-- --
-- --
-- 110
Ripple Rejection Ratio
Voltage Drop
Output Short Circuit Current
Peak Output Current
RR
Vdrop
Ios
Io peak
f=120Hz, 21V≤Vin≤31V
Iout=350mA, Tj=25 oC
Tj=25 oC
Tj=25 oC
54 70
-- 2
-- 50
-- 0.7
Temperature Coefficient of
Output Voltage
∆Vout/ ∆Tj Iout=5mA, 0 oC≤Tj≤125 oC
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TS78M24 Electrical Characteristics
-- -0.5
(Vin=33V, Iout=350mA, 0 oC≤Tj≤125 oC, Cin=0.33uF, Cout=0.1uF; unless otherwise specified.)
Max
18.72
18.90
50
360
180
6
0.8
0.5
--
--
--
--
--
--
Unit
V
mV
mA
uV
dB
V
mA
A
mV/
oC
Parameter
Symbol
Test Conditions
Tj=25 oC
Min Typ Max Unit
23.07 24 24.96
Output Voltage
Vout
27V≤Vin≤38V,
22.85 24 25.20
V
5mA≤Iout≤350mA, PD ≤5W
Line Regulation
REGline Tj=25 oC
27V≤Vin≤38V,
Io=200mA
-- 10 50
mV
Load Regulation
Quiescent Current
REGload Tj=25 oC
5mA≤Iout≤500mA
--
30 480
5mA≤Iout≤200mA -- 10 240
Iq Iout=0, Tj=25 oC
-- 4 7
Quiescent Current Change
Output Noise Voltage
∆Iq 27V≤Vin≤38V
5mA≤Iout≤350mA
Vn 10Hz≤f≤100KHz, Tj=25 oC
-- -- 0.8 mA
-- -- 0.5
-- 170 --
uV
Ripple Rejection Ratio
Voltage Drop
RR
Vdrop
f=120Hz, 27V≤Vin≤37V
Iout=350mA, Tj=25 oC
50 70 -- dB
-- 2 -- V
Output Short Circuit Current
Ios Tj=25 oC
-- 50 -- mA
Peak Output Current
Io peak Tj=25 oC
-- 0.7 --
A
Temperature Coefficient of
Output Voltage
∆Vout/ ∆Tj Iout=5mA, 0 oC≤Tj≤125 oC
mV/
-- -0.5 --
oC
z 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.
z This specification applies only for DC power dissipation permitted by absolute maximum ratings.
DataSheet4U.com
TS78M00 series
DataSheet4 U .com
5-8
2003/12 rev. B
DataShee
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet TS78Mxx.PDF ] | |
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