AME1085DCBTZ AME, AME1085DCBTZ Datasheet

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AME1085DCBTZ

Manufacturer Part Number
AME1085DCBTZ
Description
Low Dropout (LDO) Regulators Pos. 3.3V / 3A LDO
Manufacturer
AME
Datasheet

Specifications of AME1085DCBTZ

Number Of Outputs
1
Polarity
Positive
Input Voltage Max
7 V
Output Voltage
3.3 V
Output Type
Fixed
Dropout Voltage (max)
1.4 V at 3 A
Output Current
3 A
Line Regulation
0.2 %
Load Regulation
0.3 %
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
Package / Case
TO-220
Minimum Operating Temperature
0 C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
n Features
AME1085
n General Description
lator. It is available in fixed and adjustable output voltage
versions. Overcurrent and thermal protection are inte-
grated onto the chip. Output current will limit as it reaches
the pre-set current or temperature limit. At full rated out-
put current the dropout voltage is 1.4V (max.). AME1085
series regulators provide excellent regulation over line,
load and temperature variations.
n Applications
The AME1085 is a 3A low-dropout positive voltage regu-
l Low dropout voltage 1.2V typically at 3A
l Adjustable or 3.3V fixed voltage
l Line regulation typically 0.015%
l Load regulation typically 0.05%
l Adjust pin (ADJ) current less than 90 A
l Overcurrent protection
l Thermal protection
l Available in TO-263, TO-252, TO-220
l High Efficiency Linear Regulators
l Post Regulators for Switching Supplies
l 5V to 3.3V Voltage Converter
l Battery Charger
AME, Inc.
n Functional Block Diagram
n Typical Application
4.75V to
7V
Protection
Amplifier
Limiting
Current
Thermal
Error
Amp.
10 F Tan
Positive Voltage Regulator
V
IN
AME1085
Tan
GND
10 F Tan
Reference
Bandgap
3A Low Dropout
V
OUT
Tan
ADJ/GND
Output
Load
Input
1

Related parts for AME1085DCBTZ

AME1085DCBTZ Summary of contents

Page 1

... Overcurrent and thermal protection are inte- grated onto the chip. Output current will limit as it reaches the pre-set current or temperature limit. At full rated out- put current the dropout voltage is 1.4V (max.). AME1085 series regulators provide excellent regulation over line, load and temperature variations. ...

Page 2

... AME, Inc. AME1085 n Pin Configuration TO-263-3 Front View AME1085 TO-252-2 Front View AME1085 TO-220 Front View AMExxxx AME1085 AME1085 1. ADJ / GND 2. V OUT Die Attached: Soft Solder AME1085 1. ADJ / GND 2. V OUT Die Attached: Soft Solder AME1085 1. ADJ / GND 2. V OUT 3 ...

Page 3

... AME, Inc. AME1085 n Ordering Information AME1085 Product Operating Grade Temperature Range or Option O A: ADJ 3.3V Number of Package Type O B: TO-220 C C: TO-252 (D PACK) D: TO-263 3A Low Dropout Positive Voltage Regulator Special Feature Number of Pins Package Type Operating Temperature Range Product Grade or Option ...

Page 4

... AME, Inc. AME1085 n Ordering Information (contd.) Part Number Marking* AME1085 AME1085ACBT ACBT yyww AME1085 AME1085ACBTZ ACBT yyww AME1085 AME1085DCBT DCBT yyww AME1085 AME1085DCBTZ DCBT yyww AME1085 AME1085ACDT-3 ACDT-3 yyww AME1085 AME1085ACDT-3Z ACDT-3 yyww AME1085 AME1085DCDT-3 DCDT-3 yyww AME1085 AME1085DCDT-3Z DCDT-3 yyww ...

Page 5

... AME1085 AME1085MCTZ** MCT yyww ** This differs from our standard part numbering scheme due to historical precedent, 1. For AME1085ACCT please order AME1085AMCT instead. 2. For AME1085ACCTZ please order AME1085AMCTZ instead. 3. For AME1085DCCT please order AME1085MCT instead. 4. For AME1085DCCTZ please order AME1085MCTZ instead. Output Voltage ...

Page 6

... AME, Inc. AME1085 n Absolute Maximum Ratings Parameter Thermal Resistance* (Junction to Case) Thermal Resistance (Junction to Ambient) Internal Power Dissipation Input Voltage Operating Junction Temperature Range Storage Temperature Range Lead Temperature (10 Sec) * Measure on backside center of tab. JC Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device. ...

Page 7

... AME, Inc. AME1085 n Electrical Specifications AME1085Axxx Parameter Symbol Reference voltage V (adjustable voltage) Line regulation Reg Load regulation Reg Dropout voltage OUT REF Current limit Temperature Coefficient Adjust pin current I Adjust pin current change Temperature stability Minimum load current RMS output noise ...

Page 8

... V REF ADJ. The voltage ratio formed by R1 and R2 should be set to conduct 10mA (minimum output load). The output voltage is given by the following equation OUT REF ADJ R1 On fixed versions of AME1085, the voltage divider is provided internally OUT ADJ ADJ ...

Page 9

... AME, Inc. AME1085 5. Thermal consideration The AME1085 series contain thermal limiting circuitry designed to protect itself for over-temperature conditions. Even for normal load conditions, maximum junction tem- perature ratings must not be exceed. As mention in ther- mal protection section, we need to consider all sources of thermal resistance between junction and ambient. It includes junction-to-case, case-to-heat-sink interface and heat sink thermal resistance itself ...

Page 10

... AME, Inc. AME1085 n Advanced Applications Note Note: * 20m 10 Adjustable Output Voltage V V AME1085 IN OUT ADJ OUT REF R1 ** Optional for improved ripple rejection Paralleling Regulators OUT AME1085 GND V V AME1085 IN OUT GND is ballast resistance The inter - connection of #18 wire could act as ballast resistance ...

Page 11

... AME, Inc. AME1085 n Advanced Applications (contd Note Optional for improved ripple rejection 10 F Regulator with Reference V V AME1085 IN OUT GND breakdown voltage of Zener diode) REF Z Z Regulator with Reverse Diode Protection * OUT IN AME1085 OUT GND 3A Low Dropout Positive Voltage Regulator * 100 F ...

Page 12

... AME, Inc. AME1085 n External Resistor Divider Table for Customized Voltage R1 100 102 (Ohm) Vout 1.25 0.000 0.000 1.30 3.984 4.063 1.35 7.968 8.127 1.40 11.95 12.19 1.45 15.94 16.25 1.50 19.92 20.32 1.55 23.90 24.38 1.60 27.89 28.44 1.65 31.87 32.51 1 ...

Page 13

... AME, Inc. AME1085 n External Resistor Divider Table for Customized Voltage (contd.) R1 100 102 (Ohm) Vout 3.15 151.4 154.4 3.20 155.4 158.5 3.25 159.4 162.5 3.30 163.3 166.6 3.35 167.3 170.7 3.40 171.3 174.7 3.45 175.3 178.8 3.50 179.3 182.9 3.55 183.3 186 ...

Page 14

... AME, Inc. AME1085 n Tape and Reel Dimension TO-252 Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) TO-252 16.0±0.1 mm TO-263 Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) TO-263-3L 24.0±0.1 mm TO-263-2L 24.0±0.1 mm ...

Page 15

... AME, Inc. AME1085 n Package Dimension TO-252(DPAK)-EIAJ Top View TO-252(DPAK)-JEDC Top View SYMBOLS Side View Typical Value Notes Controlling dimension: Millimeters. 2. Maximum lead thickness includes lead finish thickness Mini- mum lead thickness is the minimum thickness of base material. SYMBOLS Side View ...

Page 16

... AME, Inc. AME1085 n Package Dimension TO-263-2(D 2 PAK) Top View Front View C TO-263-3(D 2 PAK) Top View Front View C 16 SYMBOLS Side View Typical Value Notes: 1. Controlling dimension: Millimeters. 2. Maximum lead thickness includes lead finish thickness Mini- mum lead thickness is the minimum thickness of base material. ...

Page 17

... AME, Inc. AME1085 n Package Dimension TO-220 Top View Side View C SYMBOLS Low Dropout Positive Voltage Regulator MILLIMETERS INCHES MIN MAX MIN MAX 5.58 7.49 0.2197 0.2949 2.03 4.83 0.0800 0.1902 0.50 1.40 0.0197 0.0550 0.30 1.15 0.0118 0.0453 9.65 10.67 0.3799 ...

Page 18

... These products of AME, Inc. are not authorized for use as critical components in life-support devices or systems, without the express written approval of the president AME, Inc. reserves the right to make changes in the circuitry and specifications of its devices and advises its customers to obtain the latest version of relevant information. ...

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