概述
数据手册EZ1086ITR 概述
1.5 AMP POSITIVE VOLTAGE REGULATOR 1.5安培正电压稳压器
EZ1086ITR 数据手册
通过下载EZ1086ITR数据手册来全面了解它。这个PDF文档包含了所有必要的细节，如产品概述、功能特性、引脚定义、引脚排列图等信息。
PDF下载1.5 AMP POSITIVE
VOLTAGE REGULATOR
EZ1086BC, EZ1086C
& EZ1086I
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
October 3, 2000
DESCRIPTION
FEATURES
The EZ1086 series of high performance positive
voltage regulators are designed for use in applications
requiring low dropout performance at full rated current.
Additionally, the EZ1086 series provides excellent
regulation over variations in line, load and temperature.
•= Low dropout voltage: 1.3V max. for EZ1086C,
1.4V max. for EZ1086I, 1.45V max. for EZ1086BC
•= Full current rating over line and temperature
•= Fast transient response
•= ±2% total output regulation over line, load and
temperature (±2.4% for EZ1086BC)
Outstanding features include low dropout performance
at rated current, fast transient response, internal
current limiting and thermal shutdown protection of the
output device.
•= Adjust pin current max 90µA over temperature
•= Fixed/adjustable output voltage (EZ1086C)
•= Line regulation typically 0.015%
•= Load regulation typically 0.05%
•= Industrial temperature range (EZ1086I)
•= TO-220 and TO-263 packages
A variety of options are available for maximum
flexibility: the EZ1086C has both fixed and adjustable
voltage options and is designed for use in commercial
applications; the EZ1086BC is adjustable only for cost
sensitive commercial applications; the EZ1086I is
adjustable only for industrial applications. All devices
are available in the popular TO-220 and TO-263
packages.
ORDERING INFORMATION
DEVICE(1)(2)
PACKAGE
EZ1086BCM.TR
EZ1086CM-X.X.TR
EZ1086IM.TR
TO-263(3)
EZ1086BCT
EZ1086CT-X.X
EZ1086IT
TO-220(4)
APPLICATIONS
•= Post regulators
•= Battery chargers
Notes:
(1) Where X.X denotes voltage options (EZ1086C
only). Available voltages are: 2.5V, 3.3V and 3.45V.
Leave blank for adjustable version (1.3 to 5.7V).
Contact factory for additional voltage options.
(2) Where C and I denote Commercial (0°C to 70°C)
and Industrial (-40°C to 85°C) ambient temperature
ranges.
(3) Only available in tape and reel packaging. A reel
contains 800 devices.
(4) Only available in tube packaging. A tube contains
50 devices.
TYPICAL APPLICATIONS
U1
EZ1086-3.3
U1
EZ1086
3
2
3
2
VIN > 4.75V
VOUT = 3.45V
VOUT = 3.3V VIN > 4.75V
IN
OUT/TAB
IN
OUT/TAB
GND
1
ADJ
C1
10uF
C2
10uF Tant.
C1
10uF
R1
133 Ohm
C2
10uF Tant.
+
+
+
+
1
R2
232 Ohm
Fixed Voltage Regulator
Adjustable Voltage Regulator
Notes:
(1) C1 required if device is far from filter capacitors
(2) C2 required for stability
1
© 2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
1.5 AMP POSITIVE
VOLTAGE REGULATOR
EZ1086BC, EZ1086C
& EZ1086I
October 3, 2000
ABSOLUTE MAXIMUM RATINGS
Parameter
Symbol
VIN
Maximum
Units
V
Input Supply Voltage
7
Power Dissipation
PD
Internally Limited
W
Thermal Resistance Junction to Case
TO-220
TO-263
3
3
°C/W
°C/W
°C
θJC
θJA
TA
TJ
Thermal Resistance Junction to Ambient
TO-220
TO-263
50
60
Operating Ambient Temperature Range
EZ1086BC, EZ1086C
EZ1086I
0 to 70
-40 to 85
Operating Junction Temperature Range
EZ1086BC, EZ1086C
EZ1086I
0 to 125
-40 to 125
°C
Storage Temperature Range
TSTG
TLEAD
ESD
-65 to 150
°C
°C
kV
Lead Temperature (Soldering) 10 Sec
ESD Rating (Human body model)
300
2
ELECTRICAL CHARACTERISTICS
Unless otherwise specified: Adj VIN = 2.75V to 7.0V and Adj IO = 10mA to 1.5A; Fixed VIN = 4.75 to 7.0V and Fixed IO = 0 mA to 1.5A.
Values in bold apply over full operating ambient temperature range.
Parameter
Output Voltage(1)
Symbol
VIN
IO
Min
0.99lVOl
0.98lVOl
1.238
Typ
Max
1.01lVOl
1.02lVOl
1.262
1.275
1.267
1.280
0.2
Units
VO
5V
0mA
VO
V
EZ1086C-X.X
Reference Voltage (1)
EZ1086C, EZ1086I
Reference Voltage (1)
EZ1086BC
Line Regulation(1)
Load Regulation(1)
VREF
5V
5V
10mA
10mA
10mA
1.250
1.250
V
V
1.225
VREF
1.233
1.220
REG(LINE)
REG(LOAD)
0.045
0.15
%
%
5V
0.4
Dropout Voltage
EZ1086C, EZ1086C-X.X(2)
EZ1086BC(2)
EZ1086I(2)
VD
1.5A
1.20
1.20
1.20
2.0
V
1.30
1.45
1.40
Current Limit
ICL
IQ
A
1.5
Quiescent Current Fixed Voltage
Version
5V
10
mA
14
Temperature Coefficient
TC
%/°C
0.005
2
© 2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
1.5 AMP POSITIVE
VOLTAGE REGULATOR
EZ1086BC, EZ1086C
& EZ1086I
October 3, 2000
ELECTRICAL CHARACTERISTICS (Cont.)
Unless otherwise specified: Adj VIN = 2.75V to 7.0V and Adj IO = 10mA to 1.5A; Fixed VIN = 4.75 to 7.0V and Fixed IO = 0 mA to 1.5A.
Values in bold apply over full operating ambient temperature range.
Parameter
Symbol
IADJ
VIN
IO
Min
Typ
55
Max
90
5
Units
µA
Adjust Pin Current
Adjust Pin Current Change
Temperature Stability
0.2
0.5
µA
∆IADJ
TS
5V
5V
0.5A
%
Minimum Load Current Adj. Voltage
Versions
IO
5
mA
10
RMS Output Noise(3)
Ripple Rejection Ratio(4)
VN
RA
0.003
72
%VO
dB
5V
1.5A
60
NOTES:
(1) Low duty cycle pulse testing with Kelvin connections required.
(2) ∆VOUT, ∆VREF = 1%
(3) Bandwidth of 10 Hz to 10 kHz.
(4) 120 Hz input ripple (CADJ for ADJ = 25µF).
(5) Over Temp. (O.T.) = over specified operating junction temperature range.
3
© 2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
1.5 AMP POSITIVE
VOLTAGE REGULATOR
EZ1086BC, EZ1086C
& EZ1086I
October 3, 2000
BLOCK DIAGRAM
PIN CONFIGURATIONS
PIN DESCRIPTIONS
Pin Pin Name
Pin Function
1
ADJUST / This pin is the negative side of the reference voltage for adjustable devices. Transient response
can be improved by adding a small bypass capacitor from the adjust pin to ground.
GROUND This pin is the bottom end of the internal resistor feedback chain for fixed output voltage parts,
and should be connected to ground.
2
3
OUTPUT This is the power output of the device, and is electrically connected to the TAB.
INPUT
This is the input supply pin for both the control circuitry and the pass device.
4
© 2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
1.5 AMP POSITIVE
VOLTAGE REGULATOR
EZ1086BC, EZ1086C
& EZ1086I
October 3, 2000
DEVICE OUTLINE - TO-220
DEVICE OUTLINE - TO-263
ECN00-1352
5
© 2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
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