ZSR
SERIES
ISSUE 3 - SEPTEMBER 2001
16
Q14
Q16 Q17
Q11
R7 R4
R3
Q18
Q19
R5
Q20
Q13
Q25
Q4
Q5
Q1
R1
Q3
C1
Q6
Q7
R2
Q8
R14
Q10
R9
R13
V
in
V
out
Gnd
R6
Q9
Q12
Q21
SCHEMATIC DIAGRAM
FixedOutputRegulator
AdjustableOutputRegulator
Input
Output
Gnd
ZR78L***
Input
Output
Gnd
ZR78L***
R1
R2
Iq
Vo=Vreg+(V reg/R1+Iq)R2
CurrentRegulator
Input
Output
ZR78L***
R1
Iq
IO=(Vreg/R1) + 1q
APPLICATIONS
ISSUE 3 - SEPTEMBER 2001
ZSR
SERIES
17
ZSR485 ZSR520 ZSR700
ZSR850 ZSR1200
4-
Line Transient Response
Time (µs)
20 30 5040
Output Voltage Deviation (V)
+0.2
0
010
-0.2
Vo+4
Vo+9
Io= 100mA
Cout= 0
dVin/dt= 5v/us
Input
Voltage
Output Voltage
Deviation
Load Transient Response
Time (us)
20 30 5040
Output Voltage Deviation (V)
+0.2
0
010
-0.2
0
100mA
Load Current
Output Voltage
Deviation
Vin= Vout+4v
Cout= 0
dIo/dt= 1A/us
Thermal Resistance v Pulse Width
Pulse Width (s)
1m
100m
0
60
1
10
10m
20
40
80
100
120
140
160
D=1
D=0.5
D=0.2
D=0.1
D=0.05
D=0
TO92 PACKAGE
Thermal Resistance v Pulse Width
Pulse Width (s)
1m
100m
Thermal Resistance (
°C/W)
0
24
1
10
10m
8
16
32
40
48
SOT223 PACKAGE
D=1
D=0.5
D=0.2
D=0.1
D=0.05
D=0
Output Impedance v Frequency
Frequency (Hz)
10
1k
Output Impedance (Ohms)
0.01
10
10k
100k
100
0.1
1
Io= 100mA
Vin= Vout+4v
ZSR1200
ZSR850
ZSR700
ZSR520
ZSR485
Ripple Rejection v Ripple Frequency
Frequency (Hz)
100
10k
Open Loop Gain (dB)
0
50
100k
1M
1k
40
30
20
10
70
60
80
90
ZSR485
ZSR520
ZSR700
ZSR850
ZSR1200
Io= 100mA
Vin= Vout+4v
Vin= 200mV Pk/Pk
Thermal Resistance (
°C/W)
TYPICAL CHARACTERISTICS
ISSUE 3 - SEPTEMBER 2001
18
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
Germany
Telefon: (49) 89 45 49 49 0
Fax: (49) 89 45 49 49 49
Zetex Inc
Suite 315
700 Veterans Memorial Highway
Hauppauge NY11788
USA
Telephone: (631) 360 2222
Fax: (631) 360 8222
Zetex (Asia) Ltd
3701-04 Metroplaza, Tower 1
Hing Fong Road
Kwai Fong, Hong Kong
China
Telephone: (852) 26100 611
Fax: (852) 24250 494
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
© Zetex plc 2001
ZSR
SERIES
Thermal Resistance v Pulse Width
Pulse Width (s)
1m 100m
Thermal Resistance (˚C/W)
0
60
11010m
20
40
80
100
120
140
160
SO8 PACKAGE
D=0.2
D=0.1
D=0.05
D=0
Power dissipation Derating
Ambient Temperature (˚C)
-50
0
Maximum Power Dissipation (W)
0
1.0
25
50
-25
0.8
0.6
0.4
0.2
1.4
1.2
1.6
1.8
75 100125
2.0
SOT223
SO8
TO92
100µ
100
D=1
D=0.5
TYPICAL CHARACTERISTICS

ZSR570N8TA

Mfr. #:
Manufacturer:
Diodes Incorporated
Description:
Linear Voltage Regulators
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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