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Details, datasheet, quote on part number:EZ1084-3.45
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Datasheet text preview:
POWER MANAGEMENT Description
The EZ1084 series of high performance positive voltage regulators are designed for use in applications requiring low dropout performance at up to 5A. Additionally, the E Z 1 0 8 4 series provides excellent regulation over variations in line, load and temperature. Outstanding features include low dropout performance a t rated current, fast transient response, internal current limiting and thermal shutdown protection of the output device.
5 Amp Positive Voltage Regulator
.eatures
K Low dropout voltage: 1.3V max. for EZ1084C, K .ull current rating over line and temperature K .ast transient response K ±2% total output regulation over line, load and
1.4V max. for EZ1084I, 1.45V max. for EZ1084BC
EZ1084BC, EZ1084C & EZ1084I
K K K K A variety of options are available for maximum flexibility: K the EZ1084C has both fixed and adjustable voltage K
o p t i o n s and is designed for use in commercial applications; the EZ1084BC is adjustable only for cost s e n s i t i v e commercial applications; the EZ1084I is adjustable only for industrial applications.
temperature (±2.4% for EZ1084BC) Adjust pin current max 90µA over temperature .ixed/adjustable output voltage (EZ1084C) Line regulation typically 0.015% Load regulation typically 0.05% Industrial temperature range (EZ1084I) TO-220 and TO-263 packages
Applications
K K K K K K K
Printer and plotter supplies Instrumentation Medical equipment Microcontroller systems Telecommunication systems Motherboards Switching supply post regulation
All devices are available in the popular TO-220 and TO-263 packages.
Typical Application Circuit
.ixed Voltage Regulator
U1 V I N > 4.75V 3 IN
EZ1084C-3.3 2 TAB OUT
V O U T = 3.3V
+
C1 1 0 u F Tant.
+ GND 1
C2 1 0 u F Tant. Min.
Adjustable Voltage Regulator
U1 V I N > 4.75V 3 IN TAB EZ1084 OUT 2 V O U T = 3.45V
+
C1 1 0 u F Tant.
ADJ 1
R1 1 3 3 Ohm, 1%
+
C2 1 0 u F Tant. Min
Notes: (1) C1 needed if device is far from filter capacitors (2) C2 minimum value required for stability
R2 2 3 2 Ohm, 1%
R2 VOUT = VREF · 1 + + I ADJ · R 2 R1
Revision 1, March, 2001
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EZ1084BC, EZ1084C & EZ1084I
POWER MANAGEMENT Absolute Maximum Ratings
Parameter Input Supply Voltage Power Dissipation Thermal Resistance Junction to Case TO-220 TO-263 Thermal Resistance Junction to Ambient TO-220 TO-263 Operating Ambient Temperature Range EZ1084BC, EZ1084C EZ1084I Operating Junction Temperature Range EZ1084BC, EZ1084C EZ1084I Storage Temperature Range Lead Temperature (Soldering) 10 Sec. ESD Rating (Human Body Model) Symbol VIN PD J C Maximum 7 Internally Limited 2.5 2.5 50 60 0 to 70 -40 to 85 0 to 125 -40 to 125 -65 to 150 300 2 Units V W °C/W
J A
°C/W
TA
°C
TJ TSTG TLEAD ESD
°C °C °C kV
Electrical Characteristics
Unless otherwise specified: Adj. VIN = 2.75V to 7.0V and Adj. IO = 10mA to 5A; Fixed VIN = 4.75 to 7.0V and Fixed IO = 0 mA to 5A. Values in bold apply over full operating ambient temperature range.
Parameter Output Voltage EZ1084C-X.X Reference Voltage
(1) (1)
Symbol VO
VIN 5V
IO 0mA
Min 0.99lVOl 0.98lVOl
Typ VO
Max 1.01lVOl 1.02lVOl
Units V
VREF
5V
10mA
1.238 1.225
1.250
1.262 1.275
V
EZ1084C, EZ1084I Reference Voltage EZ1084BC Line Regulation (1) Load Regulation (1) Dropout Voltage(1)(2) EZ1084C, EZ1084C-X.X EZ1084I EZ1084BC Current Limit
2001 Semtech Corp.
(1)
VRE
5V
10mA
1.233 1.220
1.250
1.267 1.280
V
REG(LINE) REG(LOAD) VD 5V
10mA
0.045 0.15
0.2 0.4 1.30 1.40 1.45
% % V
5A
1.20 1.20 1.20
ICL
2
5.0
7.5
A
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EZ1084BC, EZ1084C & EZ1084I
POWER MANAGEMENT Electrical Characteristics (Cont)
Unless otherwise specified: Adj. VIN = 2.75V to 7.0V and Adj. IO = 10mA to 5A; Fixed VIN = 4.75 to 7.0V and Fixed IO = 0 mA to 5A. Values in bold apply over full operating ambient temperature range.
Parameter Quiescent Current Fixed Voltage Version Temperature Coefficient Adjust Pin Current Adjust Pin Current Change Temperature Stability Minimum Load Current Adj Voltage Versions RMS Output Noise(3) Ripple Rejection Ratio(4)
Symbol IQ TC IADJ IADJ TS IO VN RA
VIN 5V
IO
Min
Typ 10 0.005 55 0.2
Max 14
Units mA %/°C
90 5
µA µA %
5V 5V
0.5A
0.5 5 0.003 10
mA %VO dB
5V
5A
60
72
NOTES: (1) Low duty cycle pulse testing with Kelvin connections required. (2) VOUT, VRE. = 1% (3) Bandwidth of 10 Hz to 10 kHz. (4) 120 Hz input ripple (CADJ for ADJ = 25µ.).
2001 Semtech Corp.
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EZ1084BC, EZ1084C & EZ1084I
POWER MANAGEMENT Pin Configurations Ordering Information
Device(1)(2) EZ1084BCM.TR EZ1084CM-X.X.TR EZ1084IM.TR EZ1084BCT EZ1084CT-X.X EZ1084IT P ackag e TO-263(3)
TO-220(4)
Pin Descriptions
Pin 1 Pin Name ADJUST Pin Function
Notes: (1) Where X.X denotes voltage options (EZ1084C only). Available voltages are: 1.5V, 2.5V and 3.3V. 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.
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. This pin is the bottom end of the internal resistor feedback chain for fixed output voltage parts, and should be connected to ground. This is the power output of the device and is electrically connected to the TAB. This is the input supply pin for both the control circuitry and the pass device.
GROUND 2 3 OUTPUT INPUT
Block Diagram
2001 Semtech Corp.
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EZ1084BC, EZ1084C & EZ1084I
POWER MANAGEMENT Outline Drawing - TO-220
Outline Drawing - T0-263
2001 Semtech Corp.
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