ez1117 Semtech Corporation, ez1117 Datasheet

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ez1117

Manufacturer Part Number
ez1117
Description
Ez1117 0.8 & 1.0 Amp Positive Voltage Regulators
Manufacturer
Semtech Corporation
Datasheet

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Description
Description
The EZ1117 series of high performance positive voltage
regulators are designed for use in applications requiring
low dropout performance at full rated current.
Additionally, the EZ1117 series provides excellent
regulation over variations in line, load and temperature.
Outstanding features include low dropout performance
at rated current, fast transient response, internal current
limiting and thermal shutdown protection of the output
device. The EZ1117 series of three terminal regulators
offer fi xed and adjustable voltage options available in
the space saving SOT-223 and TO-263 packages.
Typical Application Circuits
Typical Application Circuits
May 23, 2006
POWER MANAGEMENT
V
OUT
= Ξ 4.75V
10μF
IN
V
+
OUT
= η∂4.75V
EZ1117
(1) C1 Needed if device is far from filter capacitors
(2) C2 Required for Stability
Active SCSI Bus Terminator
Adjustable Voltage Regulator
10μF
GND
3
C1
+
(1) C1 Needed if device is far from filter capacitors
(2) C2 Required for Stability
EZ1117
10μF
3
C1
+
OUT
Fixed Voltage Regulator
I
1
ADJ
EZ1117-3.3
1
2/TAB
I
Q
V
REF
V
OUT
2/TAB
= V
133
1%
R1
232
1%
R2
(1)(2)
REF
(
(1)(2)
+
22μF
1 + R2
+
C2
10μF
TANT
+
C2
10μF
TANT
R1
)
3.3V
V
3.45V
V
OU
OUT
+ I
ADJ
18 to 27
Lines
R
2
1
Features
Features
Applications
Applications
Ordering Information
Ordering Information
Notes:
(1) Where X.X denotes voltage options. Available voltages are:
2.5V, 2.85V and 3.3V. Leave blank for adjustable version (1.3 to
5.7V). Contact factory for additional voltage options.
(2) Add suffi x ‘TR’ for tape and reel.
EZ1117CST-X.X
EZ1117ACST-X.X
EZ1117CM-X.X
EZ1117ACM-X.X
Low dropout performance,
1.2V max. for EZ1117
Full current rating over line and temperature
Fast transient Response
±2% total output regulation over line, load and
temperature
Adjust pin current max 90μA over temperature
Fixed/adjustable output voltage
Line regulation 0.2% max.
Load regulation 0.4% max.
SOT-223 and TO-263 packages
Active SCSI termination
Low voltage microcontrollers
Switching power supply post-regulator
1.3V max. for EZ1117A
Device
(1,2)
0.8 & 1.0 AMP Positive
EZ1117/EZ1117A
Voltage Regulators
Package
SOT-223
TO-263
See Note (1)
See Note (1)
www.semtech.com
V
OUT
Volts

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ez1117 Summary of contents

Page 1

... POWER MANAGEMENT Description Description The EZ1117 series of high performance positive voltage regulators are designed for use in applications requiring low dropout performance at full rated current. Additionally, the EZ1117 series provides excellent regulation over variations in line, load and temperature. Outstanding features include low dropout performance ...

Page 2

... 0mA 25° O.T. 5V 10mA 25°C REF O.T. 10mA O.T. (LINE) 5V O.T. (LOAD) 100mA 500mA V O.T. D 800mA 1,000mA I O. EZ1117/EZ1117A Max Units 7 V Internally Limited W 15 °C/W 3 156 °C 125 °C -65 to 150 °C 260 °C Test Limits (5) Min Typ Max J 0.99 1.01 ...

Page 3

... OUT REF (3) Bandwidth of 10Hz to 10kHz. (4) 120Hz input ripple (CADJ for ADJ = 25μF). (5) O.T. = over specifi ed operating junction temperature range. ( for EZ1117A and 800mA for EZ1117. RATED Pin Confi gurations Pin Confi gurations SOT-223 TO-263 © 2006 Semtech Corp. ...

Page 4

... Outline Drawing - SOT-223 Outline Drawing - SOT-223 Land Pattern - SOT-223 Land Pattern - SOT-223 © 2006 Semtech Corp. EZ1117/EZ1117A 4 www.semtech.com ...

Page 5

... Outline Drawing - TO-263 Outline Drawing - TO-263 Land Pattern - TO-263 Land Pattern - TO-263 © 2006 Semtech Corp. EZ1117/EZ1117A 5 www.semtech.com ...

Page 6

... Contact Information Phone: (805) 498-2111 Fax: (805) 498-3804 © 2006 Semtech Corp. Semtech Corporation Power Management Products Division 200 Flynn Road, Camarillo, CA 93012 www.semtech.com 6 EZ1117/EZ1117A www.semtech.com ...

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