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PDF AN7908F Data sheet ( Hoja de datos )
| Número de pieza | AN7908F | |
| Descripción | 3-pin Negative Output Voltage Regulators (1A Type) | |
| Fabricantes | Panasonic Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de AN7908F (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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AN7900T/AN7900F Series
3-pin Negative Output Voltage Regulators (1A Type)
s Overview
The AN7900T/AN7900F series is 3-pin fixed negative
output type monolithic voltage regulators.
A stabilized fixed negative output voltage is obtained from
an unstable DC input voltage without using any external
parts. Eleven types of fixed output voltage are available
from –5V through –10V, –12V, –15V, –18V, –20V, and
–24V. They can be used widely as power circuits with a
current capacitance of up to 1A.
s Features
• No external components
• Output voltage : –5V, –6V, –7V, –8V, –9V, –10V,
–12V, –15V, –18V, –20V, –24V
• Overcurrent limit circuit built-in
• Thermal over-load protection built-in
• Area of safe operation (ASO) circuit built-in
AN7900T Series
10.5±0.5
10.4±0.5 ø3.7
Unit : mm
1.4±0.1
1.4±0.25
0.8±0.2
2.54
0.45
+
–
0.1
0.05
2.5±0.25
123
4.5±0.3 1 : Common
2 : Input
3 : Output
JEDEC: TO-220AB (HSIP003-P-0000)
AN7900F Series
ø5.3 10.5±0.3
(4.3)
ø3.1±0.1
Unit : mm
2.77±0.3
(1.73)
s Block Diagram
Starter
Voltage
Reference
Thermal
Protection
1.4±0.2
0.8±0.2
0.4
+ 0.1
– 0.05
2.54
12
(0.4)
2.0±0.25
2.5±0.25
3
4.5±0.3
1 : Common
2 : Input
3 : Output
TO-220 Full Pack Package (HSIP003-P-0000A)
+
Error Amp.
–
Current
Limiter
1 Common
R1
R2
3 Output
Q1
Pass Tr.
RSC
2 Input
1
1 page  
s Electrical Characteristics (Ta=25˚C) (continued)
• AN7910T/AN7910F (–10V Type)
Parameter
Symbol
Condition
min typ max Unit
Output voltage
VO Tj=25˚C
–9.6 –10 –10.4
V
Output voltage tolerance
Line regulation
VO
REGIN
VI=–12.5 to –25V,
IO=5mA to 1A, PD<=*
VI=–12.5 to –27V, Tj=25˚C
VI=–13 to –19V, Tj=25˚C
–9.5
–10.5
V
8 200 mV
2.5 100 mV
Load regulation
REGL
IO=5mA to 1.5A, Tj=25˚C
IO=250 to 750mA, Tj=25˚C
12 200 mV
4 100 mV
Bias current
Ibias Tj=25˚C
2.5 5 mA
Input bias fluctuation
∆Ibias (IN) VI=–12.5 to –27V, Tj=25˚C
1 mA
Load bias current fluctuation
∆Ibias (L)
IO=5mA to 1A, Tj=25˚C
0.5 mA
Output noise voltage
Vno f=10Hz to 100kHz, Ta=25˚C
64 µV
Ripple rejection ratio
RR
VI=–13 to –23V, IO=100mA, f=120Hz
56
71
dB
Minimum input/output voltage difference VDIF (min.) IO=1A, Tj=25˚C
1.1 V
Peak output current
IO (Peak)
Tj=25˚C
2.1 A
Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C
– 0.7
mV/˚C
Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the
drift in characteristic value due to the rise in chip junction temperature can be ignored.
Note 2) Unless otherwise specified, VI=–16V, IO=500mA, CI=2µF, CO=1µF, Tj=0 to 125˚C
* AN7900T series : 15W, AN7900F series : 10.25W
• AN7912T/AN7912F (–12V Type)
Parameter
Symbol
Condition
min typ max Unit
Output voltage
Output voltage tolerance
Line regulation
Load regulation
Bias current
Input bias fluctuation
Load bias current fluctuation
Output noise voltage
Ripple rejection ratio
Minimum input/output voltage difference
Peak output current
Output voltage temperature coefficient
VO
VO
REGIN
REGL
Ibias
∆Ibias (IN)
∆Ibias (L)
Vno
RR
VDIF (min.)
IO (Peak)
∆VO/Ta
Tj=25˚C
VI=–14.5 to –27V,
IO=5mA to 1A, PD<=*
VI=–14.5 to –30V, Tj=25˚C
VI=–16 to –22V, Tj=25˚C
IO=5mA to 1.5A, Tj=25˚C
IO=250 to 750mA, Tj=25˚C
Tj=25˚C
VI=–14.5 to –30V, Tj=25˚C
IO=5mA to 1A, Tj=25˚C
f=10Hz to 100kHz, Ta=25˚C
VI=–15 to –25V, IO=100mA, f=120Hz
IO=1A, Tj=25˚C
Tj=25˚C
IO=5mA, Tj=0 to 125˚C
–11.5
–11.4
55
–12
10
3
12
4
2.5
75
70
1.1
2.1
– 0.8
–12.5
V
–12.6
V
240 mV
120 mV
240 mV
120 mV
5 mA
1 mA
0.5 mA
µV
dB
V
A
mV/˚C
Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the
drift in characteristic value due to the rise in chip junction temperature can be ignored.
Note 2) Unless otherwise specified, VI=–19V, IO=500mA, CI=2µF, CO=1µF, Tj=0 to 125˚C
* AN7900T series : 15W, AN7900F series : 10.25W
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AN7908F.PDF ] | |
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