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®
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DCR01
DCR01
DCR01
Series
Miniature, 1W Isolated
REGULATED DC/DC CONVERTERS
FEATURES
q UL1950 RECOGNIZED
q PDIP-18, SO-28(1)
q 53W/in3 (3.3W/cm3) POWER DENSITY
q DEVICE-TO-DEVICE SYNCHRONIZATION
q THERMAL PROTECTION
q 1000Vrms ISOLATION
q 400kHz SWITCHING
q 125 FITS AT 55°C
q ±10% INPUT RANGE
q SHORT-CIRCUIT PROTECTED
q 5V, 12V, 24V INPUTS
q 3.3V, 5V OUTPUTS
q HIGH EFFICIENCY
APPLICATIONS
q POINT-OF-USE POWER CONVERSION
q DIGITAL INTERFACE POWER
q GROUND LOOP ELIMINATION
q POWER-SUPPLY NOISE REDUCTION
DESCRIPTION
DCR01 family is a series of high-efficiency, input-
isolated, output-regulated DC/DC converters. In addi-
tion to 1W nominal, galvanically-isolated output power
capability, this range of DC/DCs offer very low out-
put noise, thermal protection and high accuracy.
The DCR01 family is implemented in standard molded
IC packaging, giving standard JEDEC outlines suit-
able for high-volume assembly.
The DCR01 is manufactured using the same technol-
ogy as standard IC packages, thereby achieving very
high reliability.
NOTE: (1) SO version available Q3 2000.
SYNC
VS
Input
Controller
VREC
LDO
Regulator
ENABLE
ERROR
VOUT
0V 0V
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©2000 Burr-Brown Corporation
PDS-1587A
Printed in U.S.A. May, 2000

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SPECIFICATIONS
At TA = +25°C, VS = nominal, IO = 10mA, CO = 0.1µF, unless otherwise specified.
PARAMETER
OUTPUT
Setpoint
DCR010503
DCR010505
DCR011203(2)
DCR011205(2)
DCR012403(3)
DCR012405(3)
Setpoint Accuracy
Maximum Output Current
DCR010503
DCR010505
DCR011203(2)
DCR011205(2)
DCR012403(3)
DCR012405(3)
Output Short-Circuit Protected
Line Regulation
DCR010503
DCR010505
DCR011203(2)
DCR011205(2)
DCR012403(3)
DCR012405(3)
Over Line and Load
DCR010503
DCR010505
DCR011203
DCR011205
DCR012403
DCR012405
Versus Temperature
Ripple and Noise
DCR0105 Ripple
DCR0105 Noise
INPUT
Nominal Voltage (VS)
Voltage Range
Supply Current
DCR010503
DCR010505
DCR011203(2)
DCR011205(2)
DCR012403(3)
DCR012405(3)
Reflected Ripple Current
DCR010503, DCR01505
CONDITIONS
Duration
10mA to 300mA Load, 4.5V to 5.5V Line
10mA to 200mA Load, 4.5V to 5.5V Line
10mA to 390mA Load, 10.8V to 13.2V Line
10mA to 200mA Load, 10.8V to 13.2V Line
10mA to 390mA Load, 21.6V to 26.4V Line
10mA to 200mA Load, 21.6V to 26.4V Line
–40°C to +85°C
20MHz Bandwidth, 50% Load
CIN = 2.2µF, CFILTER = 1µF, COUT = 0.1µF
100MHz Bandwidth, 50% Load
CIN = 2.2µ, CFILTER = 1µF, COUT = 0.1µF
DCR0105xx
DCR0112xx
DCR0124xx
IO = 0mA
IO = 10mA
IO = 300mA
IO = 0mA
IO = 10mA
IO = 200mA
IO = 0mA
IO = 10mA
IO = 390mA
IO = 0mA
IO = 10mA
IO = 200mA
IO = 0mA
IO = 10mA
IO = 390mA
IO = 0mA
IO = 10mA
IO = 200mA
MHz Bandwidth, 100% Load
CIN = 2.2µF, CFILTER = 1µF
DCR01 SERIES
MIN TYP MAX
3.3
5
3.3
5
3.3
5
0.5 2.0
300
200
390
200
390
200
Infinite
1
1
1
1
1
1
1.0 2.5
1.0 2.5
1.0 2.5
1.0 2.5
1.0 2.5
1.0 2.5
1.0
5
35
5
12
24
–10 +10
18
28
335
25
40
310
13
17
173
13
18
125
15
17
94
15
17
71
8
UNITS
V
V
V
V
V
V
%
mA
mA
mA
mA
mA
mA
mV/V
mV/V
mV/V
mV/V
mV/V
mV/V
%
%
%
%
%
%
%
mVp-p
mVp-p
V
V
V
%
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mAp-p
®
DCR01
2

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SPECIFICATIONS (Cont.)
At TA = +25°C, VS = nominal, IO = 10mA, CO = 0.1µF, unless otherwise specified.
PARAMETER
ISOLATION
Voltage
Input/Output Capacitance
OUTPUT ENABLE CONTROL
Logic High Input Voltage
Logic High Input Current
Logic Low Input Voltage
Logic Low Input Current
DCR010503
DCR010505
ERROR FLAG
Logic High Open Collector Leakage
Logic Low Output Voltage
THERMAL SHUTDOWN
Junction Temperature
Temperature Activated
Temperature Deactivated
SYNCHRONIZATION PIN
Max External Capacitance on SYNC Pin
Internal Oscillator Frequency
External Synchronization Frequency
External Synchronization Signal High
External Synchronization Signal Low
TEMPERATURE RANGE
Operating
CONDITIONS
1s Flash Test
60s Test, UL1950(1)
2.0 < VENABLE < VREC
0 < VENABLE < 0.5
VERROR = 5V
Sinking 2mA
DCR01 SERIES
MIN TYP MAX
1
1
25
2.0 VREC
100
–0.2
0.5
100
10
0.4
150
130
3
720 800 880
720 880
2.5 2.5 5.0
0 0.4
–40 +85
NOTES: (1) During UL approval only. (2) DCR011203, DCR011205 available Q2 2000. (3) DCR0112403, DCR012405 available Q3 2000.
UNITS
kVrms
kVrms
pF
V
nA
V
nA
V
V
µA
V
°C
°C
pF
kHz
kHz
V
V
°C
ABSOLUTE MAXIMUM RATINGS
Input Voltage:
DCR0105 ............................................................................................ 7V
DCR0112 .......................................................................................... 15V
DCR0124 .......................................................................................... 29V
Storage Temperature ...................................................... –60°C to +125°C
Lead Temperature (soldering, 10s) ................................................. 270°C
ORDERING INFORMATION
DCR01 05 05 ( P )
Basic Model Number: 1W Product
Voltage Input:
5V In
Voltage Output:
5V Out
Package Code:
P = 18-Pin Plastic DIP, U = 28-Pin SO(1)
NOTE: (1) SO version available Q3 2000.
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Burr-Brown
recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degrada-
tion to complete device failure. Precision integrated circuits
may be more susceptible to damage because very small
parametric changes could cause the device not to meet its
published specifications.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
®
3 DCR01

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PACKAGE/ORDERING INFORMATION
PRODUCT
PACKAGE
PACKAGE
DRAWING
NUMBER
SPECIFIED
TEMPERATURE
RANGE
PACKAGE
MARKING
ORDERING
NUMBER(1)
TRANSPORT
MEDIA
DCR010503P
DCR010505P
DCR010503U(3)
DCR010505U(3)
DCR011203P(2)
DCR011203U(1, 3)
DCR011205P(2)
DCR011205U(1, 3)
DCR012403P(3)
DCR012403U(1, 3)
DCR012405P(3)
DCR012405U(1, 3)
PDIP-18
PDIP-18
SO-28
SO-28
PDIP-18
SO-28
PDIP-18
SO-28
PDIP-18
SO-28
PDIP-18
SO-28
218-1
218-1
217-2
217-2
218-1
217-2
218-1
217-2
218-1
217-2
218-1
217-2
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
DCR010503P
DCR010505P
DCR010503U
DCR010505U
DCR011203P
DCR011203U
DCR011205P
DCR011205U
DCR012403P
DCR012403U
DCR012405P
DCR012405U
DCR010503P
DCR010505P
DCR010503U/1K
DCR010505U/1K
DCR011203P
DCR011203U/1K
DCR011205P
DCR011205U/1K
DCR012403P
DCR012403U/1K
DCR012405P
DCR012405U/1K
Rails
Rails
Tape and Reel
Tape and Reel
Rails
Tape and Reel
Rails
Tape and Reel
Rails
Tape and Reel
Rails
Tape and Reel
NOTE: (1) Models with a slash (/) are available only in Tape and Reel in the quantities indicated (e.g., /1K indicates 1000 devices per reel). Ordering 1000 pieces
of “DCR010503U/1K” will get a single 1000-piece Tape and Reel. (2) Available Q2 2000. (3) Available Q3 2000.
PIN CONFIGURATIONS
Top View
PDIP
SO
VS 1
NC 2
18 SYNC
17 0VIN
VREC 7
0VOUT 8
VO 9
DCR01
12 ERROR
11 ENABLE
10 DNC
VS 1
VS 2
NC 3
DCR01U
28 SYNC
27 0VIN
26 0VIN
VREC 12
0VOUT 13
VO 14
17 ERROR
16 ENABLE
15 DNC
PIN DEFINITION (PDIP)
PIN #
1
2
7
8
9
10
11
12
17
18
PIN NAME
VS
NC
VREC
0VOUT
VO
DNC
ENABLE
ERROR
0VIN
SYNC
DESCRIPTION
Voltage Input
No Connection
Rectified Output
Output Ground
Voltage Output
Do Not Connect
Output Voltage Enable
Error Flag Active Low
Input Ground
Synchronization Input
NOTE: (1) SO version available Q3 2000.
PIN DEFINITION (SO)
PIN #
1
2
3
12
13
14
15
16
17
26
27
28
PIN NAME
VS
VS
NC
VREC
VOUT
VO
DNC
ENABLE
ERROR
0VIN
0VIN
SYNC
DESCRIPTION
Voltage Input
Voltage Input
No Connection
Rectified Output
Output Ground
Voltage Output
Do Not Connect
Output Voltage Enable
Error Flag Active Low
Input Ground
Input Ground
Synchronization Input
®
DCR01
4

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TYPICAL PERFORMANCE CURVES
At TA = +25°C, VS = 5V, IO = 10mA, CO = 0.1µF, unless otherwise specified.
14
12
10
8
6
4
2
0
0
DCR0105 OUTPUT VOLTAGE RIPPLE
20 40 60 80 100
Load (%)
80
70
60
50
40
30
20
10
0
0
DCR0105 OUTPUT NOISE (100MHz Bandwidth)
20 40 60 80 100
Load (%)
DCR010503P EFFICIENCY
(VIN = 5V)
70
85°C
60
50
–40°C
40
25°C
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
Load (%)
3.305
3.3
3.295
3.29
3.285
3.28
3.275
3.27
3.265
0
DCR010503P VOUT vs LOAD
(VIN = 5V)
85°C
25°C
–40°C
10 20 30 40 50 60 70 80 90 100
Load (%)
DCR0105 SERIES INPUT CURRENT
REFLECTED NOISE (100MHz Bandwidth)
DCR0105 SERIES INPUT
CURRENT REFLECTED RIPPLE
500ns/div
5
500ns/div
DCR01
®