ame5110 AME, Inc., ame5110 Datasheet

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ame5110

Manufacturer Part Number
ame5110
Description
600ma / 1.2mhz Pwm Buck Dc-dc Converter - Analog Microelectronics
Manufacturer
AME, Inc.
Datasheet

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Rev. A.03
AME5110
n General Description
Synchronous Buck, DC-DC Converters, apply the latest
innovations in Current-Mode Technology. Available in SOT-
25 package, these devices are typically twice as efficient
as standard LDO’ s, making them well suited for most
portable applications.
LDO’ s,(1) Input, and (1) Output capacitor are required.
The only other element is a small, low cost, 2.2 H induc-
tor. The AME5110 is availabe with fixed output voltages
of 1.5V and 1.8V, or adjustable at 600mA. Using a propri-
etary “ Extreme Green” Technology, battery life is maxi-
mized with Frequency Foldback at light Load, and 100%
duty when Vin approaches Vout.
n Features
n Applications
The AME5110 family of Fixed Frequency,High Efficiency,
The AME5110 is simple to use. As with standard
l LDO Replacement
l High Efficiency “ Extreme Green”
l 2.5V to 5.5V Input
l Short Circuit Protection
l Over-Temperature Shutdown
l Under-Volatge Lockout
l Superb Transient Response
l All AME’ s Lead Free Products Meet RoHS
l Cellular Phones
l Digital Cameras
l Portable Electronics
l USB Devices
l MP3 Players
Standards
AME, Inc.
n Typical Application
V
4.7 F
4.7 F
CER
CER
IN
C
C
V
IN
IN
IN
V
OUT
=V
FB
Adjustable Voltage Version
(R1+R2)/R2
Fixed Voltage Version
V
EN
Buck DC-DC Converter
IN
EN
AME5110
V
600mA / 1.2MHz PWM
IN
AME5110
GND
GND
SW
V
V
FB
SW
OUT
2.2 H
22pF
2.2 H
R2
R1
10 F
C
CER
OUT
V
10 F
C
CER
V
OUT
OUT
OUT
1

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ame5110 Summary of contents

Page 1

... The AME5110 is simple to use. As with standard LDO’ s,(1) Input, and (1) Output capacitor are required. The only other element is a small, low cost, 2.2 H induc- tor. The AME5110 is availabe with fixed output voltages of 1.5V and 1.8V, or adjustable at 600mA. Using a propri- etary “ Extreme Green” Technology, battery life is maxi- mized with Frequency Foldback at light Load, and 100% duty when Vin approaches Vout ...

Page 2

... AME, Inc. AME5110 n Function Diagram OUT-SENSE 5 ERROR AMP 0.6V REF 1 RUN 2 COMP R LATCH S SLOPE COMP OSC AMP Light-Load / Short-Circuit Frequency Foldback 600mA / 1.2MHz PWM Buck DC-DC Converter AMP SYNC SWITCH COMP 2 GND Rev. A.03 ...

Page 3

... AME, Inc. AME5110 n Pin Configuration SOT-25 Top View 5 4 AME5110 Pin Description Pin Number AME5110AEEVxxx AME5110BEEVADJ N N/A Rev. A.03 AME5110AEEVxxx GND OUT * Die Attach: Conductive Epoxy Pin Name Enable Control Input. Forcing this pin above 1.5V enables the part. Forcing this EN pin below 0 ...

Page 4

... AME, Inc. AME5110 n Ordering Information AME5110 xxx x Pin Operating Ambient Configuration Temperature Range - GND (SOT-25 OUT GND (SOT-25 Ordering Information Part Number Marking* AME5110AEEV150Y BARww ...

Page 5

... AME, Inc. AME5110 n Absolute Maximum Ratings Parameter Input Supply Voltage EN, V Voltages FB SW Voltage ESD Classification Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device * HBM C: 4000V+ n Recommended Operating Conditions Parameter Ambient Temperature Range Junction Temperature Range ...

Page 6

... AME, Inc. AME5110 n Electrical Specifications T = =3.6V unless otherwise specified Parameter Symbol Input Volatge V IN Feedback Current I FB Regulated Feedback V FB Voltage Reference Voltage V FB Line Regulation Regulated Output Voltage V OUT Output Voltage REG Line Regulation Switch Current Limit ...

Page 7

... AME, Inc. AME5110 Shutdown Current vs V 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 2.5 2.7 3 3.6 4 Threshold-Turn On vs. V 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 2.5 3 3.6 4.2 2.7 V (V) IN Supply Current vs Supply Voltage 160 140 120 100 2.5 3 3.5 4 Input Voltage (V) Rev. A.03 IN 1.6 1.575 1.55 1.525 1.5 1.475 1.45 EN=0V I =0A 1.425 LOAD 1.4 4 1.6 1.4 1.2 1 0.8 0.6 0.4 V =3.6V IN 0 ...

Page 8

... AME, Inc. AME5110 EN Leakage Current vs. V 0.006 0.005 0.004 0.003 0.002 0.001 0 2.5 2.7 3.6 4 Input Voltage DSON 0.42 0.40 MAIN SWITCH 0.38 0.36 0.34 SYNCHRONOUS SWITCH 0.32 0.30 2 2.5 3 3.5 Input Voltage (V) V vs. Temperature OUT 1.54 1.52 1.5 1.48 1.46 1.44 1.42 1.4 -50 -40 - Temperature ( 8 IN 120 110 100 =3.6V IN EN= = ...

Page 9

... AME, Inc. AME5110 EN Leakage Current vs. Temp 0.025 0.02 0.015 0.01 0.005 0 -50 -40 - Temperature ( Discontinuous Operation SW Vout =3.6V 1 S/DIV IN V =1.5V OUT I =50mA LOAD T = Rev. A. 100 125 o C) 2V/div 20mV/div AC Coupled 100mV/div 600mA / 1.2MHz PWM Buck DC-DC Converter 9 ...

Page 10

... AME, Inc. AME5110 n Date Code Rule Marking Date Code Tape and Reel Dimension SOT-25 PIN 1 Carrier Tape, Number of Components Per Reel and Reel Size ...

Page 11

... AME, Inc. AME5110 n Tape and Reel Dimension TSOT-25 PIN 1 Carrier Tape, Number of Components Per Reel and Reel Size Package Carrier Width (W) TSOT-25 8.0±0.1 mm Rev. A.03 P AME AME Pitch (P) Part Per Full Reel 4.0±0.1 mm 600mA / 1.2MHz PWM Buck DC-DC Converter W Reel Size 3000pcs 180±1 mm ...

Page 12

... AME, Inc. AME5110 n Package Dimension SOT-25 Top View Front View b TSOT-25 Top View Front View b 12 Side View SYMBOLS £ Side View SYMBOLS A £ 600mA / 1.2MHz PWM Buck DC-DC Converter ...

Page 13

... 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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