Panasonic AN7905F 3-pin negative output voltage regulators 1a type Datasheet

AN7900T/AN7900F Series
3-pin Negative Output Voltage Regulators (1A Type)
AN7900T Series
Unit : mm
10.5±0.5
10.4±0.5
1.4±0.1
2.9±0.1
8.7±0.3 6.7±0.25
ø3.7
4.5
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.
13.6±0.25
1.4±0.25
0.8±0.2
0.45 +– 0.1
0.05
2.54
■ Features
1 2 3
JEDEC: TO-220AB (HSIP003-P-0000)
AN7900F Series
4.2±0.25
2.77±0.3
(1.73)
ø3.1±0.1
13.6±0.25
4.5±0.25
17.0±0.25
3.8±0.25
ø5.3
(4.3)
Unit : mm
10.5±0.3
16.7±0.3
• 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
2.5±0.25
4.5±0.3 1 : Common
2 : Input
3 : Output
0.4 +– 0.1
0.05
1.4±0.2
0.8±0.2
(0.4)
2.0±0.25
2.54
4.5±0.3
1
2
8.7±0.3
■ Overview
3
2.5±0.25
1 : Common
2 : Input
3 : Output
TO-220 Full Pack Package (HSIP003-P-0000A)
■ Block Diagram
1
Common
3
Output
R1
+
Voltage
Reference
Error Amp.
R2
–
Q1
Starter
Thermal
Protection
Pass Tr.
Current
Limiter
RSC
2
Input
1
■ Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
Input voltage
VI
Power dissipation
AN7900T Series
PD
AN7900F Series
Rating
–35 *1
Unit
–40 *2
15 *3
V
V
W
10.25 *3
Operating ambient temperature
Topr
–30 to +80
˚C
Storage temperature
Tstg
–55 to +150
˚C
*1 AN7905T/F, AN7906T/F, AN7907T/F, AN7908T/F, AN7909T/F, AN7910T/F, AN7912T/F, AN7915T/F, AN7918T/F
*2 AN7920T/F, AN7924T/F
*3 Follow the derating curve. When Tj exceeds 150˚C, the internal circuit shuts off the output.
■ Electrical Characteristics (Ta=25˚C)
• AN7905T/AN7905F (–5V Type)
Parameter
Symbol
Output voltage
VO
Output voltage tolerance
VO
Line regulation
Load regulation
Bias current
REGIN
REGL
Ibias
Condition
Tj=25˚C
VI=–7 to –20V,
IO=5mA to 1A, PD<
=*
min
–4.8
typ
max
–5
–4.75
Unit
–5.2
V
–5.25
V
VI=–7 to –25V, Tj=25˚C
3
100
mV
VI=–8 to –12V, Tj=25˚C
1
50
mV
IO=5mA to 1.5A, Tj=25˚C
10
100
mV
IO=250 to 750mA, Tj=25˚C
3
50
mV
Tj=25˚C
2
4
mA
Input bias fluctuation
∆Ibias (IN)
VI=–7 to –25V, Tj=25˚C
1.3
mA
Load bias current fluctuation
∆Ibias (L)
IO=5mA to 1A, Tj=25˚C
0.5
mA
Output noise voltage
Ripple rejection ratio
Minimum i/o voltage difference
Vno
f=10Hz to 100kHz, Ta=25˚C
RR
VI=–8 to –18V, IO=100mA, f=120Hz
VDIF (min.)
62
40
µV
74
dB
IO=1A, Tj=25˚C
1.1
V
2.1
A
– 0.4
mV/˚C
Peak output current
IO (Peak)
Tj=25˚C
Output voltage temperature coefficient
∆VO/Ta
IO=5mA, Tj=0 to 125˚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=–10V, IO=500mA, CI=2µF, CO=1µF, Tj=0 to 125˚C
* AN7900T series : 15W, AN7900F series : 10.25W
2
■ Electrical Characteristics (Ta=25˚C) (continued)
• AN7906T/AN7906F (–6V Type)
Parameter
Symbol
Output voltage
VO
Output voltage tolerance
VO
Line regulation
Load regulation
Bias current
REGIN
REGL
Ibias
Condition
Tj=25˚C
VI=–8 to –21V,
IO=5mA to 1A, PD<
=*
min
–5.75
typ
max
–6
–5.7
Unit
–6.25
V
–6.3
V
120
mV
VI=–8 to –25V, Tj=25˚C
4
VI=–9 to –13V, Tj=25˚C
1.5
60
mV
IO=5mA to 1.5A, Tj=25˚C
10
120
mV
IO=250 to 750mA, Tj=25˚C
3
60
mV
Tj=25˚C
2
4
mA
Input bias fluctuation
∆Ibias (IN)
VI=–8 to –25V, Tj=25˚C
1.3
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
Ripple rejection ratio
RR
VI=–9 to –19V, IO=100mA, f=120Hz
60
44
µV
73
dB
V
IO=1A, Tj=25˚C
1.1
Peak output current
IO (Peak)
Tj=25˚C
2.1
A
Output voltage temperature coefficient
∆VO/Ta
IO=5mA, Tj=0 to 125˚C
– 0.5
mV/˚C
Minimum i/o voltage difference
VDIF (min.)
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=–11V, IO=500mA, CI=2µF, CO=1µF, Tj=0 to 125˚C
* AN7900T series : 15W, AN7900F series : 10.25W
• AN7907T/AN7907F (–7V Type)
Parameter
Symbol
Output voltage
VO
Output voltage tolerance
VO
Line regulation
Load regulation
Bias current
REGIN
REGL
Ibias
Condition
Tj=25˚C
VI=–79 to –22V,
IO=5mA to 1A, PD<
=*
min
–6.7
typ
max
–7
–6.65
VI=–9 to –25V, Tj=25˚C
5
Unit
–7.3
V
–7.35
V
140
mV
VI=–10 to –14V, Tj=25˚C
1.5
70
mV
IO=5mA to 1.5A, Tj=25˚C
12
140
mV
IO=250 to 750mA, Tj=25˚C
4
70
mV
Tj=25˚C
2
4
mA
Input bias fluctuation
∆Ibias (IN)
VI=–9 to –25V, Tj=25˚C
1.3
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
Ripple rejection ratio
RR
VI=–10 to –20V, IO=100mA, f=120Hz
58
48
µV
72
dB
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
– 0.5
mV/˚C
Minimum input/output voltage difference
VDIF (min.)
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=–12V, IO=500mA, CI=2µF, CO=1µF, Tj=0 to 125˚C
* AN7900T series : 15W, AN7900F series : 10.25W
3
■ Electrical Characteristics (Ta=25˚C) (continued)
• AN7908T/AN7908F (–8V Type)
Parameter
Symbol
Output voltage
VO
Output voltage tolerance
VO
Line regulation
Load regulation
Bias current
REGIN
REGL
Ibias
Condition
Tj=25˚C
VI=–10 to –23V,
IO=5mA to 1A, PD<
=*
min
–7.7
typ
max
–8
–7.6
VI=–10.5 to –25V, Tj=25˚C
6
Unit
–8.3
V
–8.4
V
160
mV
VI=–11 to –17V, Tj=25˚C
2
80
mV
IO=5mA to 1.5A, Tj=25˚C
12
160
mV
IO=250 to 750mA, Tj=25˚C
4
80
mV
2.2
4.5
mA
1
mA
0.5
mA
Tj=25˚C
Input bias fluctuation
∆Ibias (IN)
VI=–10.5 to –25V, Tj=25˚C
Load bias current fluctuation
∆Ibias (L)
IO=5mA to 1A, Tj=25˚C
Output noise voltage
Vno
f=10Hz to 100kHz, Ta=25˚C
Ripple rejection ratio
RR
VI=–11 to –21V, IO=100mA, f=120Hz
56
52
µV
71
dB
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
– 0.6
mV/˚C
Minimum input/output voltage difference
VDIF (min.)
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=–14V, IO=500mA, CI=2µF, CO=1µF, Tj=0 to 125˚C
* AN7900T series : 15W, AN7900F series : 10.25W
• AN7909T/AN7909F (–9V Type)
Parameter
Symbol
Output voltage
VO
Output voltage tolerance
VO
Line regulation
Load regulation
Bias current
REGIN
REGL
Ibias
Condition
Tj=25˚C
VI=–11.5 to –24V,
IO=5mA to 1A, PD<
=*
–9
–8.55
Unit
–9.35
V
–9.45
V
7
180
mV
VI=–12 to –18V, Tj=25˚C
2
90
mV
IO=5mA to 1.5A, Tj=25˚C
12
180
mV
IO=250 to 750mA, Tj=25˚C
4
90
mV
2.2
4.5
mA
1
mA
0.5
mA
Tj=25˚C
∆Ibias (IN)
VI=–11.5 to –26V, Tj=25˚C
Load bias current fluctuation
∆Ibias (L)
IO=5mA to 1A, Tj=25˚C
58
µV
71
dB
IO=1A, Tj=25˚C
1.1
V
2.1
A
–0.6
mV/˚C
Output noise voltage
Vno
f=10Hz to 100kHz, Ta=25˚C
Ripple rejection ratio
RR
VI=–12 to –22V, IO=100mA, f=120Hz
VDIF (min.)
–8.65
max
typ
VI=–11.5 to –26V, Tj=25˚C
Input bias fluctuation
Minimum input/output voltage difference
min
Peak output current
IO (Peak)
Tj=25˚C
Output voltage temperature coefficient
∆VO/Ta
IO=5mA, Tj=0 to 125˚C
56
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=–15V, IO=500mA, CI=2µF, CO=1µF, Tj=0 to 125˚C
* AN7900T series : 15W, AN7900F series : 10.25W
4
■ Electrical Characteristics (Ta=25˚C) (continued)
• AN7910T/AN7910F (–10V Type)
Parameter
Symbol
Output voltage
VO
Output voltage tolerance
VO
Line regulation
Load regulation
Bias current
REGIN
REGL
Ibias
Condition
Tj=25˚C
VI=–12.5 to –25V,
IO=5mA to 1A, PD<
=*
VI=–12.5 to –27V, Tj=25˚C
min
–9.6
typ
max
–10
–9.5
Unit
–10.4
V
–10.5
V
8
200
mV
VI=–13 to –19V, Tj=25˚C
2.5
100
mV
IO=5mA to 1.5A, Tj=25˚C
12
200
mV
IO=250 to 750mA, Tj=25˚C
4
100
mV
2.5
5
mA
1
mA
0.5
mA
Tj=25˚C
Input bias fluctuation
∆Ibias (IN)
VI=–12.5 to –27V, Tj=25˚C
Load bias current fluctuation
∆Ibias (L)
IO=5mA to 1A, Tj=25˚C
Output noise voltage
Vno
f=10Hz to 100kHz, Ta=25˚C
Ripple rejection ratio
RR
VI=–13 to –23V, IO=100mA, f=120Hz
56
64
µV
71
dB
V
IO=1A, Tj=25˚C
1.1
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
Minimum input/output voltage difference
VDIF (min.)
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
Output voltage
VO
Output voltage tolerance
VO
Line regulation
Load regulation
Bias current
REGIN
REGL
Ibias
Condition
Tj=25˚C
VI=–14.5 to –27V,
IO=5mA to 1A, PD<
=*
max
typ
–12
–11.4
Unit
–12.5
V
–12.6
V
10
240
mV
VI=–16 to –22V, Tj=25˚C
3
120
mV
IO=5mA to 1.5A, Tj=25˚C
12
240
mV
IO=250 to 750mA, Tj=25˚C
4
120
mV
2.5
5
mA
1
mA
0.5
mA
Tj=25˚C
∆Ibias (IN)
VI=–14.5 to –30V, Tj=25˚C
Load bias current fluctuation
∆Ibias (L)
IO=5mA to 1A, Tj=25˚C
75
µV
70
dB
IO=1A, Tj=25˚C
1.1
V
2.1
A
– 0.8
mV/˚C
Output noise voltage
Vno
f=10Hz to 100kHz, Ta=25˚C
Ripple rejection ratio
RR
VI=–15 to –25V, IO=100mA, f=120Hz
VDIF (min.)
–11.5
VI=–14.5 to –30V, Tj=25˚C
Input bias fluctuation
Minimum input/output voltage difference
min
Peak output current
IO (Peak)
Tj=25˚C
Output voltage temperature coefficient
∆VO/Ta
IO=5mA, Tj=0 to 125˚C
55
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
■ Electrical Characteristics (Ta=25˚C) (continued)
• AN7915T/AN7915F (–15V Type)
Parameter
Symbol
Output voltage
VO
Output voltage tolerance
VO
Line regulation
Load regulation
Bias current
REGIN
REGL
Ibias
Condition
Tj=25˚C
VI=–17.5 to –30V,
IO=5mA to 1A, PD<
=*
VI=–17.5 to –30V, Tj=25˚C
min
–14.4
typ
max
–15
–14.25
Unit
–15.6
V
–15.75
V
11
300
mV
VI=–20 to –26V, Tj=25˚C
3
150
mV
IO=5mA to 1.5A, Tj=25˚C
12
300
mV
IO=250 to 750mA, Tj=25˚C
4
150
mV
2.5
5
mA
1
mA
0.5
mA
Tj=25˚C
Input bias fluctuation
∆Ibias (IN)
VI=–17.5 to –30V, Tj=25˚C
Load bias current fluctuation
∆Ibias (L)
IO=5mA to 1A, Tj=25˚C
Output noise voltage
Vno
f=10Hz to 100kHz, Ta=25˚C
Ripple rejection ratio
RR
VI=–18.5 to –28.5V, IO=100mA, f=120Hz
54
90
µV
69
dB
V
IO=1A, Tj=25˚C
1.1
Peak output current
IO (Peak)
Tj=25˚C
2.1
A
Output voltage temperature coefficient
∆VO/Ta
IO=5mA, Tj=0 to 125˚C
–0.9
mV/˚C
Minimum input/output voltage difference
VDIF (min.)
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=–23V, IO=500mA, CI=2µF, CO=1µF, Tj=0 to 125˚C
* AN7900T series : 15W, AN7900F series : 10.25W
• AN7918T/AN7918F (–18V Type)
Parameter
Symbol
Output voltage
VO
Output voltage tolerance
VO
Line regulation
Load regulation
Bias current
REGIN
REGL
Ibias
Condition
Tj=25˚C
VI=–21 to –33V,
IO=5mA to 1A, PD<
=*
–18
–17.1
Unit
–18.7
V
–18.9
V
15
360
mV
VI=–24 to –30V, Tj=25˚C
5
180
mV
IO=5mA to 1.5A, Tj=25˚C
12
360
mV
IO=250 to 750mA, Tj=25˚C
4
180
mV
2.5
5
mA
1
mA
0.5
mA
Tj=25˚C
∆Ibias (IN)
VI=–21 to –33V, Tj=25˚C
Load bias current fluctuation
∆Ibias (L)
IO=5mA to 1A, Tj=25˚C
110
µV
68
dB
IO=1A, Tj=25˚C
1.1
V
Output noise voltage
Vno
f=10Hz to 100kHz, Ta=25˚C
Ripple rejection ratio
RR
VI=–22 to –32V, IO=100mA, f=120Hz
VDIF (min.)
–17.3
max
typ
VI=–21 to –33V, Tj=25˚C
Input bias fluctuation
Minimum input/output voltage difference
min
53
Peak output current
IO (Peak)
Tj=25˚C
2.1
A
Output voltage temperature coefficient
∆VO/Ta
IO=5mA, Tj=0 to 125˚C
–1
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=–27V, IO=500mA, CI=2µF, CO=1µF, Tj=0 to 125˚C
* AN7900T series : 15W, AN7900F series : 10.25W
6
■ Electrical Characteristics (Ta=25˚C) (continued)
• AN7920T/AN7920F (–20V Type)
Parameter
Symbol
Output voltage
VO
Output voltage tolerance
VO
Line regulation
Load regulation
Bias current
REGIN
REGL
Ibias
Condition
Tj=25˚C
VI=–23 to –35V,
IO=5mA to 1A, PD<
=*
min
–19.2
typ
max
–20
–19
Unit
–20.8
V
–21
V
VI=–23 to –35V, Tj=25˚C
16
400
mV
VI=–26 to –32V, Tj=25˚C
5.5
200
mV
IO=5mA to 1.5A, Tj=25˚C
12
400
mV
IO=250 to 750mA, Tj=25˚C
4
200
mV
Tj=25˚C
3
5
mA
1
mA
0.5
mA
Input bias fluctuation
∆Ibias (IN)
VI=–23 to –35V, Tj=25˚C
Load bias current fluctuation
∆Ibias (L)
IO=5mA to 1A, Tj=25˚C
Output noise voltage
Vno
f=10Hz to 100kHz, Ta=25˚C
Ripple rejection ratio
RR
VI=–24 to –34V, IO=100mA, f=120Hz
52
135
µV
67
dB
V
IO=1A, Tj=25˚C
1.1
Peak output current
IO (Peak)
Tj=25˚C
2.1
A
Output voltage temperature coefficient
∆VO/Ta
IO=5mA, Tj=0 to 125˚C
–1
mV/˚C
Minimum input/output voltage difference
VDIF (min.)
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=–29V, IO=500mA, CI=2µF, CO=1µF, Tj=0 to 125˚C
* AN7900T series : 15W, AN7900F series : 10.25W
• AN7924T/AN7924F (–24V Type)
Parameter
Symbol
Output voltage
VO
Output voltage tolerance
VO
Line regulation
Load regulation
Bias current
REGIN
REGL
Ibias
Condition
Tj=25˚C
VI=–27 to –38V,
IO=5mA to 1A, PD<
=*
–24
–22.8
Unit
–25
V
–25.2
V
18
480
mV
VI=–30 to –36V, Tj=25˚C
6
240
mV
IO=5mA to 1.5A, Tj=25˚C
12
480
mV
IO=250 to 750mA, Tj=25˚C
4
240
mV
Tj=25˚C
3
5
mA
1
mA
0.5
mA
∆Ibias (IN)
VI=–27 to –38V, Tj=25˚C
Load bias current fluctuation
∆Ibias (L)
IO=5mA to 1A, Tj=25˚C
170
µV
65
dB
IO=1A, Tj=25˚C
1.1
V
Output noise voltage
Vno
f=10Hz to 100kHz, Ta=25˚C
Ripple rejection ratio
RR
VI=–28 to –38V, IO=100mA, f=120Hz
VDIF (min.)
–23
max
typ
VI=–27 to –38V, Tj=25˚C
Input bias fluctuation
Minimum input/output voltage difference
min
50
Peak output current
IO (Peak)
Tj=25˚C
2.1
A
Output voltage temperature coefficient
∆VO/Ta
IO=5mA, Tj=0 to 125˚C
–1
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=–33V, IO=500mA, CI=2µF, CO=1µF, Tj=0 to 125˚C
* AN7900T series : 15W, AN7900F series : 10.25W
7
■ Characteristic Curve
16
(1) Infinite Heat Sink
(2) 5˚C/W Heat Sink
(3) 15˚C/W Heat Sink
(4) No Heat Sink
(1) Infinite Heat Sink
(2) 5˚C/W Heat Sink
(3) 15˚C/W Heat Sink
(4) No Heat Sink
14
Power Dissipation PD (W)
12
(2)
10
8
6
(3)
4
2
12
(1)
10
8
(2)
6
(3)
4
(4)
2
(4)
0
40
80
120
0
160
0
Ambient Temperature Ta (˚C)
15
Output Voltage Fluctuation (mV)
10
5
10
0
–10
–20
6
8
10
Time t (µs)
■ Basic Regulator Circuit
Input Voltage VI (V)
Output Voltage Fluctuation (V)
AN7905T/F
4
120
Output
3
2
CI
–
AN7900T
AN7900F
–
+
1
+
IO =
50
0m
IO =
A
20
IO = 0mA
20m
A
0.8
0.6
0.4
–50
160
0
100
150
RR– f
AN7905T/F
2
1
0
1
0
–1
–2
50
Junction Temperature Tj (˚C)
120
AN7905T/F
IO=100mA
100
80
60
40
20
0
0
10
20
30
40
10
50
100
1k
10k
100k
Frequency f (Hz)
Time t (µs)
■ Application Circuit
1) Current Bootstrap Circuit
Input
IO=1000mA
1.0
Load Transient Response
20
2
80
1.2
Ambient Temperature Ta (˚C)
Input Transient Response
0
40
Load Current IO (A)
0
1.4
Ripple Rejection Ratio RR (dB)
(1)
14
Power Dissipation PD (W)
VDIF (min.) –Tj
Minimum I/O Voltage Difference VDIF (min.) (V)
PD –Ta (AN7900F Series)
PD –Ta (AN7900T Series)
16
–VI
2) Adjustable Output Regulator
Q1
–VI
6Ω
CO
2
IO
1
2
Common
–
2µF
+
1
V O´
R2
–VO
3
AN7900T
AN7900F
–VO
3
AN7900T
AN7900F
–
–
+
1µF
+
–
2µF
+
Ibias
R1
CI : Required when the input line is long
CO : Improves the transient response.
V ´
|VO| =VO´ + Ibias + RO R1
2
8
1µF
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