EZ1086C & EZ1086I
1.5 Amp Positive Voltage Regulator
POWER MANAGEMENT
Description Features
The EZ1086 series of high performance positive voltage
Low dropout voltage: 1.3V max. for EZ1086C,
regulators are designed for use in applications requiring
1.4V max. for EZ1086I
low dropout performance at up to 1.5A. Additionally, the
Full current rating over line and temperature
EZ1086 series provides excellent regulation over
Fast transient response
variations in line, load and temperature.
2% total output regulation over line, load and
temperature
Outstanding features include low dropout performance
Adjust pin current max 90A over temperature
at rated current, fast transient response, internal
Fixed/adjustable output voltage (EZ1086C)
current limiting and thermal shutdown protection of the
Line regulation typically 0.015%
output device.
Load regulation typically 0.05%
Industrial temperature range (EZ1086I)
A variety of options are available for maximum flexibility:
the EZ1086C has both fixed and adjustable voltage
TO-220 and TO-263 packages. Available in RoHS
options and is designed for use in commercial applica-
compliant package
tions; the EZ1086I is adjustable only for industrial appli-
Applications
cations.
Post regulators
All devices are available in the popular TO-220 and
Battery chargers
TO-263 packages.
Typical Application Circuit
Fixed Voltage Regulator
U1 EZ1086C-3.3
3 2
TAB
VIN > 4.75V
VOUT = 3.3V
IN OUT
+ +
C1 C2
GND
10uF Tant. 10uF Tant. Min.
1
Adjustable Voltage Regulator
U1 EZ1086
3 2
TAB
VIN > 4.75V VOUT = 3.45V
IN OUT
+ +
C1 R1 C2
10uF Tant. ADJ 133 Ohm, 1% 10uF Tant. Min
1
R2
232 Ohm, 1%
R2
V = V 1+ + I R2
Notes: OUT REF ADJ
R1
(1) C1 needed if device is far from filter capacitors
(2) C2 minimum value required for stability
Revision: January 25, 2006 1 www.semtech.comEZ1086C & EZ1086I
POWER MANAGEMENT
Absolute Maximum Ratings
Plarameter Smymbo Msaximu Unit
IVnput Supply Voltage 7V
IN
PPower Dissipation IWnternally Limited
D
Thermal Resistance Junction to Case
TO-220 3 C/W
JC
TO-263 3
Thermal Resistance Junction to Ambient
TO-220 50 C/W
JA
TO-263 60
Operating Ambient Temperature Range
EZ1086C T 0 to 70 C
A
EZ1086I -40 to 85
Operating Junction Temperature Range
EZ1086C T 0 to 125 C
J
EZ1086I -40 to 125
STtorage Temperature Range -C65 to 150
STG
LTead Temperature (Soldering) 10 Sec. 3C00
LEAD
EDSD Rating (Human Body Model) E2S kV
Electrical Characteristics
Unless otherwise specified: Adj. V = 2.75V to 7.0V and Adj. I = 10mA to 1.5A; Fixed V = 4.75 to 7.0V and Fixed I = 0 mA to 1.5A.
IN O IN O
Values in bold apply over full operating ambient temperature range.
Plarameter SVymbo I MpinTxy Msa Unit
IN O
(1)
Output Voltage V 5AV0Vm 0.985llV 1.015lVlV
O O O O
EZ1086C-X.X 0.98lVlV1.02l l
O O
(1)
Reference Voltage V 5AV110m10.2319.25 1V.26
REF
EZ1086C, EZ1086I 15.225 1.27
(1)
Reference Voltage V 5AV130m10.2317.25 1V.26
RE
(1)
Line Regulation REG 150mA 0.04 0.2 %
(LINE)
(1)
Load Regulation REG55V 0.1 0.4 %
(LOAD)
(1)(2)
Dropout Voltage
EVZ1086C, EZ1086C-X.X 10.5A 1.2 1.35 V
D
EZ1086I 1.20 1.40
CIurrent Limit 1.52A.0
CL
2006 Semtech Corp. 2 www.semtech.com