SEMTECH EZ5Z3-S3.3

EZ5Z3
1A 5V to 3.3V or Adjustable
Output EZ DROPPER™
POWER MANAGEMENT
Description
Features
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The EZ5Z3 voltage converters are innovative two
terminal devices that accept a regulated 5V input and
reduce it to 3.3V over a range of 10mA to 1A. The
EZ5Z3-ADJ is an adjustable three terminal version
allowing output voltage trimming.
The EZ5Z3 is available in SOT-223 and TO-220
packages.
External components not required
Heatsink not required
2 simple connections
1A output current
Generates no EMI or spikes
Drops 5V to 3.3V, ADJ
Industrial temperature range
SOT-223 and TO-220 packages
Applications
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Cellular Telephones
Instrumentation
Peripheral Cards
Medical Equipment
Typical Application Circuits
U1
5V IN
3
EZ5Z3-3.3
2
OUT
IN
3.3V OUT
NC
1
EZ5Z3-ADJ
2
OUT
U1
5V IN
3
IN
ADJ
1
R1
Revision 1, January 2001
R2
0.1V to 3.7V OUT
 R 
VDROP = VREF 1+ 1 
 R2 
VOUT = VIN − VDROP
V
R1 + R2 ≤ DROP
300 µA
1
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EZ5Z3
POWER MANAGEMENT
Absolute Maximum Ratings
Parameter
Sy mbol
Maximum
U nits
Power D i ssi pati on
PD
2
W
C onti nuous C urrent
IC
1
A
Thermal Resi stance Juncti on to Ambi ent
SOT-223
TO-220
q JA
62
50
°C /W
Thermal Resi stance Juncti on to C ase
SOT-223
TO-220
q JC
4
4
Operati ng Ambi ent Temperature Range
TA
-40 to 125
°C
Operati ng Juncti on Temperature Range
TJ
-40 to 150
°C
Storage Temperature Range
TSTG
-65 to 150
°C
Lead Temperature (Solderi ng) 10 Sec.
TLEAD
300
°C
ESD Rati ng (Human Body Model)
V ESD
2
kV
°C /W
Electrical Characteristics
Unless specified: TA = 25°C. Values in bold apply over the full operating ambient temperature range.
Parameter
Sy mbol
C onditions
Min
Ty p
Max
U nits
EZ5Z3-3.3
VOUT
VIN = 5V, IOUT = 500mA
3.20
3.30
3.39
V
VIN = 5V, 10mA £ IOUT £ 1A
3.13
VIN = 5V, IOUT = 500mA
1.21
VIN = 5V, 10mA £ IOUT £ 1A
1.18
EZ5Z3-AD J
Load Regulati on
Temperature C oeffi ci ent
ã 2001 Semtech Corp.
VREF
3.46
1.25
1.28
V
1.31
REG(LOAD)
VIN = 5V, IOUT = 10mA to 1A
0.5
1.0
%VOUT
TC
VIN = 5V, IOUT = 500mA
0.005
0.01
%VOUT/°C
2
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EZ5Z3
POWER MANAGEMENT
Pin Configurations
Ordering Information
TO-220
Function (-3.3)
Function (-AD J)
1
NC
ADJ
2
OUT
OUT
3
IN
IN
VIN
P ackag e
VOUT Volts
EZ5Z3-S3.3.TR
EZ5Z3-SAD J.TR
5
SOT-223(1)
3.3
AD J
EZ5Z3-T3.3
EZ5Z3-TAD J
5
TO-220(2)
3.3
AD J
Notes:
(1) Only available in tape and reel packaging. A reel
contains 2500 devices.
(2) Only available in tube packaging. A tube contains 50
devices.
SOT-223
Pin
D ev ice
TAB i s OUT
Symbol
EZ5Z3-3.3
EZ5Z3-ADJ
ã 2001 Semtech Corp.
3
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EZ5Z3
POWER MANAGEMENT
Outline Drawing - SOT-223
Land Pattern - SOT-223
ã 2001 Semtech Corp.
4
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EZ5Z3
POWER MANAGEMENT
Outline Drawing - TO-220
Contact Information
Semtech Corporation
Power Management Products Division
652 Mitchell Rd., Newbury Park, CA 91320
Phone: (805)498-2111 FAX (805)498-3804
ã 2001 Semtech Corp.
5
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