ZSR285N8 [DIODES]
Fixed Positive Standard Regulator, 2.85VBIPolar, PDSO8, SO-8;
| 型号： | ZSR285N8 |
| 厂家： | 
DIODES INCORPORATED |
| 描述： | Fixed Positive Standard Regulator, 2.85VBIPolar, PDSO8, SO-8 光电二极管 输出元件 调节器 |
| 文件： | 总18页 (文件大小：422K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ZSR
SERIES
2.85 TO 12 VOLT FIXED POSITIVE
LOCAL VOLTAGE REGULATOR
DEVICE DESCRIPTION
FEATURES
The ZSR Series three terminal fixed positive voltage
regulators feature internal circuit current limit and
thermal shutdown making the devices difficult to
destroy. The circuit design allows creation of any
custom voltage in the range 2.85 to 12 volts. The
devices are available in a small outline surface mount
package, ideal for applications where space saving is
important, as well as through hole TO92 style
packaging. The devices are suited to local voltage
regulation applications, where problems could be
encountered with distributed single source regulation,
as well as more general voltage regulation
applications.
•
•
•
•
•
•
•
•
•
•
Small outline SO8 and SOT223 package
TO92 package
2.85 to 12 Volt
Output current up to 200mA
Tight initial tolerance
Low quiescent current
-55 to 125°C temperature range
No external components
Internal thermal shutdown
Internal short circuit current limit
The ZSR Series show performance characteristics
superior to other local voltage regulators. The initial
output voltage is maintained to within 2.5% with a
quiescent current of typically 350µA. Output voltage
change, with input voltage and load current, is much
lower than competitive devices. The ZSR devices are
completely stable with no external components.
VOLTAGE RANGE
ZSR285
ZSR300
ZSR330
ZSR400
ZSR485
ZSR500
ZSR520
ZSR570
ZSR600
ZSR700
ZSR800
ZSR850
ZSR900
ZSR1000
ZSR1200
2.85V
3.0V
3.3V
4.0V
4.85V
5.0V
5.2V
5.7V
6.0V
7.0V
8.0V
8.5V
9.0V
10.0V
12.0V
ISSUE 3 - SEPTEMBER 2001
1
ZSR
SERIES
ABSOLUTE MAXIMUM RATING
Input voltage
20V
Power Dissipation (Tamb=25°C)
SOT223
2W(Note 3)
Output Current(Io)
Operating Temperature
Storage Temperature
200mA
TO92
600mW
-55 to 125°C
-65 to 150°C
S08
780mW(Note 3)
ELECTRICAL CHARACTERISTICS
Notes:
1. The maximum operating input voltage and output
current of the device will be governed by the
maximum power dissipation of the selected package.
Maximum package power dissipation is specified at
25 °C and must be linearly derated to zero at
3. Maximum power dissipation, for the SOT223 and
SO8 packages, is calculated assuming that the device
is mounted on a PCB measuring 2 inches square.
4. The shut down feature of the device operates if its
temperature exceeds its design limit as might occur
during external faults, short circuits etc. If the
regulator is supplied from an inductive source then a
large voltage transient, on the regulator input, can
result should the shut down circuit operate. It is
advised that a capacitor (1µF or greater) should be
applied across the regulator input to ensure that the
maximum voltage rating of the device is not
T
amb=125°C.
2. The following data represents pulse test conditions
with junction temperatures as indicated at the
initiation of the test. Continuous operation of the
devices with the stated conditions might exceed the
power dissipation limits of the chosen package.
exceeded under shutdown conditions.
ZSR285 TEST CONDITIONS (Unless otherwise stated):T =25°C, I =100mA, V =6.85V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
2.92
UNITS
VO
Output Voltage
2.78
2.85
V
V
V
2.736
2.736
2.964
2.964
IO=1 to 200mA
τ
τ
Vin=4.85 to 20V
IO=1 to 100mA
Line Regulation
Load Regulation
Vin=4.85 to 20V
10
40
25
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
5
2
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current
Change
IO=1 to 200mA
100
100
∆lq
µA
µA
V
in=4.85 to 20V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
75
µV rms
Vin=5.85 to 18V
f=120Hz
∆Vin /∆VO
48
62
dB
Vin
Input Voltage Required
To Maintain Regulation
4.85
4.55
0.1
V
Average Temperature
Coefficient of VO
∆VO /∆T
IO=5.0mA
τ
mV/°C
=Tj=-55 to 125°C
ISSUE 3 - SEPTEMBER 2001
2
ZSR
SERIES
ZSR300 TEST CONDITIONS (Unless otherwise stated):T =25°C, I =100mA, V =7V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
2.92
2.88
2.88
TYP.
3.0
MAX.
3.08
3.12
3.12
UNITS
VO
Output Voltage
V
V
V
IO=1 to 200mA
τ
τ
Vin=5 to 20V
IO=1 to 100mA
Line Regulation
Load Regulation
Vin=5 to 20V
10
40
25
mV
∆VO
∆VO
I =1 to 200mA
5
2
mV
mV
IO =1 to 100mA
O
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=5 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
75
µV rms
Vin=6 to 18V
f=120Hz
∆Vin /∆VO
48
5
62
dB
Vin
Input Voltage Required To
Maintain Regulation
4.7
0.1
V
Average Temperature
Coefficient of VO
∆VO /∆T
IO=5.0mA
τ
mV/°C
ZSR330 TEST CONDITIONS (Unless otherwise stated):T =25°C, I =100mA, V =7.3V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
3.218
3.168
3.168
TYP.
3.3
MAX.
3.382
3.432
3.432
UNITS
VO
Output Voltage
V
V
V
IO=1 to 200mA τ
Vin=5.3 to 20V
IO=1 to 100mA τ
Line Regulation
Load Regulation
Vin=5.3 to 20V
7.5
30
25
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
5
2
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=5.3 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
50
64
5
µV rms
Vin=6.3 to 18V
f=120Hz
∆Vin /∆VO
50
dB
Vin
Input Voltage Required To
Maintain Regulation
5.3
V
Average Temperature
Coefficient of VO
∆VO /∆T
IO=5.0mA τ
0.1
mV/°C
=Tj=-55 to 125°C
ISSUE 3 - SEPTEMBER 2001
3
ZSR
SERIES
ZSR400 TEST CONDITIONS (Unless otherwise stated):T =25°C, I =100mA, V =8V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNITS
VO
Output Voltage
3.9
4.0
4.1
V
V
V
3.84
3.84
4.16
4.16
IO=1 to 200mA
τ
τ
Vin=6 to 20V
IO=1 to 100mA
Line Regulation
Load Regulation
Vin=6 to 20V
10
40
25
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
5
2
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current
Change
IO=1 to 200mA
100
100
∆lq
µA
µA
V
in=6 to 20V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
75
62
µV rms
Vin=7 to 18V
f=120Hz
48
6
dB
∆Vin /∆VO
Vin
Input Voltage Required
To Maintain Regulation
5.3
V
ZSR485 TEST CONDITIONS (Unless otherwise stated): T =25°C, I =100mA, V =8.85V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
4.729
4.656
4.656
TYP.
4.85
MAX.
4.971
5.044
5.044
UNITS
VO
Output Voltage
V
V
V
IO=1 to 200mA
τ
τ
Vin=6.8 to 20V
IO=1 to 100mA
Line Regulation
Load Regulation
Vin=6.85 to 20V
10
40
25
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
5
2
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current
Change
IO=1 to 200mA
100
100
∆lq
µA
µA
V
in=6.85 to 20V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
50
64
µV rms
Vin=7.85 to 18V
f=120Hz
50
dB
∆Vin /∆VO
Vin
Input Voltage Required
To Maintain Regulation
6.85
6.55
0.1
V
Average Temperature
Coefficient of VO
mV/°C
∆VO /∆T
IO=5.0mA
τ
=Tj = -55 to 125°C
ISSUE 3 - SEPTEMBER 2001
4
ZSR
SERIES
ZSR1000 TEST CONDITIONS (Unless otherwise stated): T =25°C, I =100mA, V =14V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
9.75
9.6
TYP.
10
MAX.
10.25
10.4
UNITS
VO
Output Voltage
V
V
V
IO=1 to 200mA τ
Vin=12 to 20V
9.6
10.4
IO=1 to 100mA τ
Line Regulation
Load Regulation
Vin=12 to 20V
12
40
30
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
9
3
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=12 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
150
57
µV rms
Vin=13 to 18V
f=120Hz
∆Vin /∆VO
43
12
dB
Vin
Input Voltage Required To
Maintain Regulation
11.7
0.25
V
Average Temperature
Coefficient of VO
∆VO /∆T
IO=5.0mA τ
mV/°C
ZSR1200 TEST CONDITIONS (Unless otherwise stated): T =25°C, I =100mA, V =16V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
11.7
TYP.
12
MAX.
12.3
UNITS
VO
Output Voltage
V
V
V
11.52
11.52
12.48
12.48
IO=1 to 200mA τ
Vin=14 to 20V
IO=1 to 100mA τ
Line Regulation
Load Regulation
Vin=14 to 20V
12
40
30
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
9
3
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=14 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
150
57
µV rms
Vin=15 to 18V
f=120Hz
∆Vin /∆VO
43
14
dB
Vin
Input Voltage Required To
Maintain Regulation
13.7
0.25
V
Average Temperature
Coefficient of VO
∆VO /∆T
IO=5.0mA τ
mV/°C
τ =Tj = -55 to 125 °C
ISSUE 3 - SEPTEMBER 2001
5
ZSR
SERIES
ZSR285 ZSR300 ZSR400
ZSR570 ZSR900
TYPICAL CHARACTERISTICS
10
1.0
0.1
90
I
o
V
= 100mA
I
o
= 100mA
80
IN = VOUT+ 4V
V
V
in = Vout + 3V
in = 200mV p/p
D
70
60
50
40
30
20
10
0
ZSR285
ZSR300
ZSR400
ZSR900
ZSR570
ZSR400
ZSR300
ZSR285
ZSR570
ZSR900
0.01
100
10
100
1K
10K
100K
100K
1K
10K
Ripple Frequency (Hz)
Frequency (Hz)
Output Impedance v Frequency
Ripple Rejection v Ripple Frequency
INPUT VOLTAGE
(VO + 9)
LOAD CURRENT
100 mA
0
(VO + 4)
+0.5
+0.5
OUTPUT VOLTAGE
DEVIATION
OUTPUT VOLTAGE
DEVIATION
0
0
-0.5
-0.5
V
= V + 4V
COINUT= 0o
I
O
= 100mA
COUT = 0
dI
o
/dt = 1A/µs
dVIN /dt = 5V/µs
-1.0
-1.0
30
30
0
10
20
40
50
0
10
20
40
50
Time (us)
Time (us)
Line Transient Response
Load Transient Response
D=1
D=1
160
48
40
32
24
140
120
100
80
SOT223 PACKAGE
TO92 PACKAGE
D=0.5
D=0.5
D=0.2
60
16
8
D=0.1
D=0.2
D=0.1
40
D=0.05
20
0
D=0.05
D=0
D=0
0
1m
10m 100m
1
10
1m
10m 100m
1
10
0
Pulse Width (s)
Pulse Width(s)
Thermal Resistance v Pulse Width
Thermal Resistance v Pulse Width
ISSUE 3 - SEPTEMBER 2001
6
ZSR
SERIES
ZSR285 ZSR300 ZSR400
ZSR570 ZSR900
TYPICAL CHARACTERISTICS
5.72
5.70
5.68
5.66
3.01
ZSR300
3.00
2.99
ZSR570
2.98
I
o
= 5mA
o
I = 5mA
V
in= V + 4V
o
Vin= V + 4V
o
2.86
2.85
2.84
2.82
4.00
3.98
3.96
3.94
ZSR400
ZSR285
-25
25 50
125
75 100
-50
-25
0
25 50 75 100 125
-50
0
Temperature (˚C)
Temperature (˚C)
Output Voltage Temperature Coefficient
Output Voltage Temperature Coefficient
450
9.08
o
I = 0
ZSR900
I = 5mA
o
o
Vin=V + 4V
o
Vin= V + 4V
9.04
400
350
300
250
9.00
8.96
8.92
-25
25 50
125
-50
0
75 100
-25
25 50
125
75 100
-50
0
Temperature (˚C)
Temperature (˚C)
Output Voltage Temperature Coefficient
Quiescent Current v Temperature
500
2.5
2.0
1.5
1.0
400
300
200
Io=200mA
Io=100mA
V 0
o=
100
0.5
0
Vin=10V
0
-50
-25
0
25 50 75 100 125
-50
-25
0
25 50 75 100 125
Temperature (˚C)
Temperature (˚C)
Peak Output Current v Temperature
Drop-Out Voltage v Temperature
ISSUE 3 - SEPTEMBER 2001
7
ZSR
SERIES
ZSR570 TEST CONDITIONS (Unless otherwise stated):T =25°C, I =100mA, V =9.7V
j
O
in
MAX.
SYMBOL PARAMETER
CONDITIONS
MIN.
5.557
5.47
Typ.
UNITS
VO
Output Voltage
5.7
5.843
5.93
5.93
V
V
V
IO=1 to 200mA
τ
Vin=7.7 to 20V
IO=1 to 100mA
5.47
τ
Line Regulation
Load Regulation
Vin=7.7 to 20V
10
40
30
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
7
2.5
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=7.7 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
90
62
µV rms
Vin=8.7 to 18V
f=120Hz
∆Vin /∆VO
48
dB
Vin
Input Voltage Required To
Maintain Regulation
7.7
7.4
V
Average Temperature
Coefficient of VO
0.15
∆VO /∆T
IO=5.0mA
τ
mV/°C
ZSR600 TEST CONDITIONS (Unless otherwise stated): T =25°C, I =100mA, V =10V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
5.85
5.76
5.76
TYP.
6
MAX.
6.15
6.24
6.24
UNITS
VO
Output Voltage
V
V
V
IO=1 to 200mA τ
Vin=8 to 20V
IO=1 to 100mA τ
Line Regulation
Load Regulation
Vin=8 to 20V
10
40
30
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
7
2.5
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=8 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
90
µV rms
Vin=9 to 18V
f=120Hz
∆Vin /∆VO
48
8
62
dB
Vin
Input Voltage Required To
Maintain Regulation
7.7
0.15
V
Average Temperature
Coefficient of VO
∆VO /∆T
IO=5.0mA τ
mV/°C
τ =Tj = -55 to 125 °C
ISSUE 3 - SEPTEMBER 2001
8
ZSR
SERIES
ZSR500 TEST CONDITIONS (Unless otherwise stated): T =25°C, I =100mA, V =9V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
4.875
4.8
TYP.
5
MAX.
5.125
5.2
UNITS
VO
Output Voltage
V
V
V
IO=1 to 200mA τ
Vin=7 to 20V
4.8
5.2
IO=1 to 100mA τ
Line Regulation
Load Regulation
Vin=7 to 20V
10
40
25
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
5
2
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=7 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
75
µV rms
Vin=8 to 18V
f=120Hz
∆Vin /∆VO
48
7
62
dB
Vin
Input Voltage Required To
Maintain Regulation
6.7
0.1
V
Average Temperature
Coefficient of VO
∆VO /∆T
IO=5.0mA τ
mV/°C
ZSR520 TEST CONDITIONS (Unless otherwise stated): T =25°C, I =100mA, V =9.2V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
5.070
4.99
TYP.
5.2
MAX.
5.330
5.41
UNITS
VO
Output Voltage
V
V
V
IO=1 to 200mA τ
Vin=7.2 to 20V
4.99
5.41
IO=1 to 100mA τ
Line Regulation
Load Regulation
Vin=7.2 to 20V
10
40
25
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
5
2
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=7.2 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
75
µV rms
Vin=8.2 to 18V
f=120Hz
∆Vin /∆VO
48
62
dB
Vin
Input Voltage Required To
Maintain Regulation
7.2
6.9
0.1
V
Average Temperature
Coefficient of VO
∆VO /∆T
IO=5.0mA τ
mV/°C
=Tj = -55 to 125 °C
ISSUE 3 - SEPTEMBER 2001
9
ZSR
SERIES
ZSR850 TEST CONDITIONS (Unless otherwise stated): T =25°C, I =100mA, V =12.5V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
8.288
8.16
TYP.
8.5
MAX.
8.712
8.84
UNITS
VO
Output Voltage
V
V
V
IO=1 to 200mA τ
Vin=10 to 20V
8.16
8.84
IO=1 to 100mA τ
Line Regulation
Load Regulation
Vin=10.5 to 20V
11
40
30
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
8
3
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=10.5 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
115
60
µV rms
Vin=11.5 to 18V
f=120Hz
∆Vin /∆VO
44
dB
Vin
Input Voltage Required To
Maintain Regulation
10.5
10.2
0.25
V
Average Temperature
Coefficient of VO
∆VO /∆T
IO=5.0mA τ
mV/°C
ZSR900 TEST CONDITIONS (Unless otherwise stated): T =25°C, I =100mA, V =13V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
8.775
8.64
TYP.
9.0
MAX.
9.225
9.36
UNITS
VO
Output Voltage
V
V
V
IO=1 to 200mA
τ
τ
Vin=11 to 20V
IO=1 to 100mA
8.64
9.36
Line Regulation
Load Regulation
Vin=11 to 20V
12
40
30
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
9
3
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=11 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
150
57
µV rms
Vin=12 to 18V
f=120Hz
∆Vin /∆VO
43
11
dB
Vin
Input Voltage Required To
Maintain Regulation
10.7
0.25
V
Average Temperature
Coefficient of VO
∆VO /∆T
IO=5.0mA
τ
mV/°C
=Tj = -55 to 125°C
ISSUE 3 - SEPTEMBER 2001
10
ZSR
SERIES
ZSR330 ZSR500 ZSR600
ZSR800 ZSR1000
TYPICAL CHARACTERISTICS
ISSUE 3 - SEPTEMBER 2001
11
ZSR
SERIES
ZSR330 ZSR500 ZSR600
ZSR800 ZSR1000
TYPICAL CHARACTERISTICS
4-38
ISSUE 3 - SEPTEMBER 2001
12
ZSR
SERIES
ZSR700 TEST CONDITIONS (Unless otherwise stated): T =25°C, I =100mA, V =11V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
6.825
6.72
TYP.
7
MAX.
7.175
7.28
UNITS
VO
Output Voltage
V
V
V
IO=1 to 200mA τ
Vin=9 to 20V
6.72
7.28
IO=1 to 100mA τ
Line Regulation
Load Regulation
Vin=9 to 20V
10
40
25
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
5
2
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=9 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
75
µV rms
Vin=10 to 18V
f=120Hz
∆Vin /∆VO
48
9
62
dB
Vin
Input Voltage Required To
Maintain Regulation
8.7
0.1
V
Average Temperature
Coefficient of VO
∆VO /∆T
mV/°C
IO=5.0mA τ
ZSR800 TEST CONDITIONS (Unless otherwise stated): T =25°C, I =100mA, V =12V
j
O
in
SYMBOL PARAMETER
CONDITIONS
MIN.
7.8
TYP.
8
MAX.
8.2
UNITS
VO
Output Voltage
V
V
V
7.68
7.68
8.32
8.32
IO=1 to 200mA τ
Vin=10 to 20V
IO=1 to 100mA τ
Line Regulation
Load Regulation
Vin=10 to 20V
11
40
30
mV
∆VO
∆VO
I =1 to 200mA
IOO=1 to 100mA
8
3
mV
mV
lq
Quiescent Current
350
600
τ
µA
Quiescent Current Change IO=1 to 200mA
in=10 to 20V
100
100
∆lq
µA
µA
V
Vn
Output Noise Voltage
Ripple Rejection
f=10Hz to 10kHz
115
60
µV rms
Vin=11 to 18V
f=120Hz
∆Vin /∆VO
44
10
dB
Vin
Input Voltage Required To
Maintain Regulation
9.7
V
Average Temperature
Coefficient of VO
0.25
∆VO /∆T
IO=5.0mA τ
mV/°C
=Tj = -55 to 125°C
ISSUE 3 - SEPTEMBER 2001
13
ZSR
SERIES
ZSR485 ZSR520 ZSR700
ZSR850 ZSR1200
TYPICAL CHARACTERISTICS
4.90
4.85
7.10
7.00
Io = 10mA
Vin = Vout + 4v
ZSR700
Io = 10mA
Vin = Vout + 4v
ZSR485
4.80
5.25
5.20
6.90
8.55
ZSR850
8.50
8.45
ZSR520
5.15
-50 -25
0
25 50 75 100125
-50 -25
0
25 50 75 100125
Temperature (°C)
Temperature (°C)
Output Voltage Temperature Coefficient
Output Voltage Temperature Coefficient
500
450
400
350
300
Io = 10mA
Vin = Vout + 4v
12.10
12.05
ZSR1200
12.00
11.95
11.90
-50 -25
0
25 50 75 100125
-50 -25
0 25 50 75 100125
Temperature (°C)
Temperature (°C)
Quiescent Current v Temperature
Output Voltage Temperature Coefficient
500
400
300
200
2.5
2.0
1.5
1.0
100
0.5
Vo= 0
Vo= 0
Vin= 10v
Vin= 10v
0
0
-50-25
0
25 50 75 100125
-50 -25
0 25 50 75 100125
Temperature (°C)
Temperature (°C)
Peak Output Current v Temperature
Drop-Out Votlage v Temperature
4-38
ISSUE 3 - SEPTEMBER 2001
14
ZSR
SERIES
CONNECTION DIAGRAMS
SOT223 Package Suffix – G
SO8 Package Suffix – N8
Top View –
Top View
Connect pin 4 to pin 2 or leave pin 4
electrically isolated
TO92 Package Suffix – C
OPTIONS
Voltage Voltage
Option
TO92 SOT223 SO8
s
2.85V
3.0V
3.3V
4.0V
4.85V
5.0V
5.2V
5.7V
6.0V
7.0V
8.0V
8.5V
9.0V
10.0V
12.0V
285
300
330
400
485
500
520
570
600
700
800
850
900
1000
1200
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Bottom View
ORDERING INFORMATION
Part No
Package
Partmark
ZSR s C
ZSR s G
ZSR s N8
TO92
ZSR
ZSR
ZSR
s
s
s
SOT223
SO8
s Voltage Option
eg 3V device in TO92 package
part number ZSR300C
part marked ZSR300 *
* NOTE: Exception. ZSR1000 part mark
is ZSR100 for all package options
eg 12V device in SOT223 package
part number ZSR1200G
part marked ZSR1200 *
eg 5V device in SO8 package
part number ZSR500N8
part marked ZSR500 *
ISSUE 3 - SEPTEMBER 2001
15
ZSR
SERIES
SCHEMATIC DIAGRAM
Vin
Q14
Q25
Q9
Q18
Q19
Q13
Q12
Q10
Q8
Q4
R14
Vout
Q16
Q17
R3
R6
Q6
Q7
Q21
Q5
Q20
Q11
R7
R4
R5
R9
C1
Q1
R1
Q3
R13
R2
Gnd
APPLICATIONS
FixedOutputRegulator
AdjustableOutputRegulator
Input
Output
Input
Output
ZR78L***
Gnd
ZR78L***
R1
Iq
Vo=Vreg+(V reg/R1+Iq)R2
R2
Gnd
CurrentRegulator
Input
ZR78L***
Iq
R1
Output
IO=(Vreg/R1) + 1q
ISSUE 3 - SEPTEMBER 2001
16
ZSR
SERIES
ZSR485 ZSR520 ZSR700
ZSR850 ZSR1200
TYPICAL CHARACTERISTICS
90
80
70
60
10
1
Io= 100mA
Vin= Vout+4v
Io= 100mA
Vin= Vout+4v
Vin= 200mV Pk/Pk
ZSR520
ZSR485
50
40
ZSR700
ZSR850
0.1
30
20
ZSR1200
ZSR1200
ZSR850
ZSR700
ZSR520
ZSR485
10
0
0.01
1k
10k
10
100
10k
100k
100
1k
100k
1M
Frequency (Hz)
Frequency (Hz)
Output Impedance v Frequency
Ripple Rejection v Ripple Frequency
Input
Voltage
Load Current
Vo+9
100mA
Vo+4
+0.2
0
0
+0.2
Output Voltage
Deviation
Output Voltage
Deviation
0
-0.2
-0.2
Io= 100mA
Cout= 0
dVin/dt= 5v/us
Vin= Vout+4v
Cout= 0
dIo/dt= 1A/us
0
10
20
30
40
50
0
10
20
30
40
50
Time (µs)
Time (us)
Line Transient Response
Load Transient Response
D=1
D=1
160
140
120
100
80
48
40
32
24
16
SOT223 PACKAGE
TO92 PACKAGE
D=0.5
D=0.5
60
D=0.2
D=0.1
D=0.2
40
8
0
D=0.1
D=0.05
D=0
20
D=0.05
D=0
0
100m
100m
1
1m 10m
1
10
1m 10m
10
Pulse Width (s)
Pulse Width (s)
Thermal Resistance v Pulse Width
Thermal Resistance v Pulse Width
4-
ISSUE 3 - SEPTEMBER 2001
17
ZSR
SERIES
TYPICAL CHARACTERISTICS
SOT223
D=1
160
140
120
100
80
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
SO8 PACKAGE
D=0.5
SO8
60
TO92
40
D=0.2
D=0.1
20
D=0.05
D=0
0
1m 10m 100m
1
10 100
100µ
0
-50 -25
25
50 75 100125
Ambient Temperature (˚C)
Pulse Width (s)
Thermal Resistance v Pulse Width
Power dissipation Derating
© Zetex plc 2001
Zetex plc
Fields New Road
Chadderton
Oldham, OL9 8NP
United Kingdom
Telephone (44) 161 622 4422
Fax: (44) 161 622 4420
Zetex GmbH
Streitfeldstraße 19
D-81673 München
Zetex Inc
Zetex (Asia) Ltd
Suite 315
3701-04 Metroplaza, Tower 1
700 Veterans Memorial Highway
Hauppauge NY11788
USA
Telephone: (631) 360 2222
Fax: (631) 360 8222
Hing Fong Road
Kwai Fong, Hong Kong
China
Telephone: (852) 26100 611
Fax: (852) 24250 494
Germany
Telefon: (49) 89 45 49 49 0
Fax: (49) 89 45 49 49 49
These offices are supported by agents and distributors in major countries world-wide.
This publication is issued to provide outline information only which (unless agreed by the Company in writing) may not be used, applied or
reproduced for any purpose or form part of any order or contract or be regarded as a representation relating to the products or services
concerned. The Company reserves the right to alter without notice the specification, design, price or conditions of supply of any product or
service.
For the latest product information, log on to www.zetex.com
ISSUE 3 - SEPTEMBER 2001
18
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