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EML3290 Datasheet Preview

EML3290 Datasheet

1.5MHz Synchronous Step-Down Converter

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ESMT
EML3290
3A, 36V, 1.5MHz Synchronous Step-Down Converter
General Description
The EML3290 is frequency adjustable, 3A, step-down
converter with an integrated high-side and low-side
switch. The current mode control is adopted in
EML3290 for fast loop response and easy
compensation. The EML3290 operates with the wide
input voltage from 4.5V to 36V and provides an
adjustable output voltage from 0.808V to 30V. The
EML3290 features a PWM mode operation with up to
1.5MHz adjustable switching frequency.
Cycle-by-cycle current limiting, output over-voltage
protection and thermal shutdown are provided for
fault condition protections. An internal 2ms soft-start
design reduces input start-up current and prevents
the output voltage and inductor current to
overshooting during power-up.
The EML3290 is available in E-SOP-8L with thermally
enhanced package.
Features
4.5V to 36V Input Voltage Range
3A Continuous Output Current
100m/75 mInternal Power MOSFET Switch
Output Adjustable from 0.808V
Up to 1.5MHz Adjustable Switching Frequency
Cycle-by-Cycle Current Limit, Input
Under-voltage Lockout, Output over-Voltage
Protection and Thermal Shutdown
Stable with Low ESR Output Ceramic
Capacitors
2ms Internal Soft-Start
Thermally Enhanced E-SOP-8L Package
Applications
12V and 24V Distributed Power Systems
Battery Powered Systems
Industrial Power Systems
LCD and Plasma TVs
Automotive Systems
Typical Application
Fig.1
Elite Semiconductor Memory Technology Inc.
Publication Date: Nov. 2016
Revision: 0.02
1/16




ESMT

EML3290 Datasheet Preview

EML3290 Datasheet

1.5MHz Synchronous Step-Down Converter

No Preview Available !

ESMT
Package Configuration
SW
EN
COMP
FB
1
2
3
4
8
9
GND
7
6
5
E-SOP-8L
BS
VIN
RT
GND
EML3290
EML3290-00SG08NRR
00 Adjustable
SG08
E-SOP-8L Package
NRR RoHS & Halogen free package
Commercial Grade Temperature
Rating: -40 to 85°C
Package in Tape & Reel
Order, Mark & Packing information
Package Vout(V)
Product ID
Marking
E-SOP-8L Adjustable EML3290-00SG08NRR
PIN1 DOT
8765
ESMT
EML3290
Tracking code
1234
Packing
Tape & Reel
3K units
Functional Block Diagram
RT
FB
COMP
EN
+
CMP
1.08%
Vref
-
+
CMP
0.3V -
-
Vref + EA
+
Current Sense
OV Amplifier
Oscillator CLK
VCC_HS
SQ
-
RQ
+ PWM
Comparator
Soft- Start
Low- Side
Current Sense
2 uA
VIN
Internal
Regulator
LVDD VCC_ HS
Logic
OV
EN
VIN<3.9V
LVDD
Voltage/ Current
Reference
Fig.2
VIN
BS
SW
GND
Elite Semiconductor Memory Technology Inc.
Publication Date: Nov. 2016
Revision: 0.02
2/16



Part Number EML3290
Description 1.5MHz Synchronous Step-Down Converter
Maker ESMT
Total Page 16 Pages
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