EL7516IYZ Intersil, EL7516IYZ Datasheet

IC REG PWM STEP UP HI EFF 8MSOP

EL7516IYZ

Manufacturer Part Number
EL7516IYZ
Description
IC REG PWM STEP UP HI EFF 8MSOP
Manufacturer
Intersil
Type
Step-Up (Boost)r
Datasheet

Specifications of EL7516IYZ

Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Current - Output
600mA
Frequency - Switching
620kHz, 1.25MHz
Voltage - Input
2.6 ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Power - Output
-

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600kHz/1.2MHz PWM Step-Up Regulator
The EL7516 is a high frequency, high efficiency step-up
voltage regulator operated at constant frequency PWM
mode. With an internal 1.5A, 200mΩ MOSFET, it can deliver
up to 600mA output current at over 90% efficiency. The
selectable 600kHz and 1.2MHz allows smaller inductors and
faster transient response. An external compensation pin
gives the user greater flexibility in setting frequency
compensation allowing the use of low ESR Ceramic output
capacitors.
When shut down, it draws <10µA of current and can operate
down to 2.5V input supply. These features along with
1.2MHz switching frequency makes it an ideal device for
portable equipment and TFT-LCD displays.
The EL7516 is available in an 8 Ld MSOP package with a
maximum height of 1.1mm. The device is specified for
operation over the full -40°C to +85°C temperature range.
Pinout
COMP
SHDN
GND
FB
1
2
3
4
(8 LD MSOP)
TOP VIEW
EL7516
®
1
Data Sheet
8
7
6
5
SS
FSEL
VDD
LX
1-888-INTERSIL or 1-888-468-3774
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Features
• >90% efficiency
• 1.6A, 200mΩ power MOSFET
• V
• 600kHz/1.2MHz switching frequency selection
• Adjustable soft-start
• Internal thermal protection
• 1.1mm max height 8 Ld MSOP package
• Pb-free plus anneal available (RoHS compliant)
Applications
• TFT-LCD displays
• DSL modems
• PCMCIA cards
• Digital cameras
• GSM/CDMA phones
• Portable equipment
• Handheld devices
Ordering Information
NOTE: Intersil Pb-free plus anneal products employ special Pb-free
material sets; molding compounds/die attach materials and 100%
matte tin plate termination finish, which are RoHS compliant and
compatible with both SnPb and Pb-free soldering operations. Intersil
Pb-free products are MSL classified at Pb-free peak reflow
temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
EL7516IY
EL7516IY-T7
EL7516IY-T13
EL7516IYZ
(Note)
EL7516IYZ-T7
(Note)
EL7516IYZ-T13
(Note)
NUMBER
IN
PART
October 9, 2007
> 2.5V
All other trademarks mentioned are the property of their respective owners.
|
Copyright Intersil Americas Inc. 2002, 2004-2007. All Rights Reserved
Intersil (and design) is a registered trademark of Intersil Americas Inc.
f
f
f
BARAA
BARAA
BARAA
MARKING
PART
TAPE &
REEL
13”
13”
7”
7”
-
-
8 Ld MSOP
8 Ld MSOP
8 Ld MSOP
8 Ld MSOP
(Pb-Free)
8 Ld MSOP
(Pb-Free)
8 Ld MSOP
(Pb-Free)
PACKAGE
EL7516
FN7333.6
MDP0043
MDP0043
MDP0043
MDP0043
MDP0043
MDP0043
DWG. #
PKG.

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EL7516IYZ Summary of contents

Page 1

... EL7516IY-T13 EL7516IYZ (Note) EL7516IYZ-T7 (Note) EL7516IYZ-T13 (Note) NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil ...

Page 2

Absolute Maximum Ratings ( GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

Block Diagram REFERENCE VDD GENERATOR Pin Descriptions PIN NUMBER PIN NAME 1 COMP Compensation pin. Output of the internal error amplifier. Capacitor and resistor from COMP pin to ground Voltage feedback pin. Internal reference is 1.294V nominal. Connect ...

Page 4

Typical Performance Curves 100 200 I (mA) OUT FIGURE 1. EFFICIENCY - 3. 12V 100 200 I (mA) OUT FIGURE 3. EFFICIENCY - 3.3V V ...

Page 5

Typical Performance Curves 100 200 300 I (mA) OUT FIGURE 7. EFFICIENCY - 3. 100 200 300 I (mA) OUT FIGURE 9. EFFICIENCY - ...

Page 6

Typical Performance Curves 200 400 600 I (mA) OUT FIGURE 13. EFFICIENCY - 0.2 V =12V OUT I =80mA OUT 0.1 1.2MHz 0 600kHz -0.1 -0 ...

Page 7

Typical Performance Curves 600kHz 200 400 600 I (mA) OUT FIGURE 19. EFFICIENCY vs I 670 660 650 640 630 620 610 600 2 (V) ...

Page 8

Typical Performance Curves 12V OUT I = 50mA TO 300mA OUT 200mV/DIV 0.1ms/DIV FIGURE 25. TRANSIENT RESPONSE - 1.2MHz JEDEC JESD51-7 HIGH EFFECTIVE THERMAL CONDUCTIVITY TEST BOARD 1.0 0.9 870mW 0.8 0.7 0.6 0.5 ...

Page 9

During the second cycle, the power FET turns off and the Schottky diode is forward biased, Figure 30. The energy stored in the inductor is pumped to the output supplying output current and charging the output capacitor. The Schottky diode ...

Page 10

Schottky Diode In selecting the Schottky diode, the reverse break down voltage, forward current and forward voltage drop must be considered for optimum converter performance. The diode must be rated to handle 1.5A, the current limit of the EL7516. The ...

Page 11

I = MOSFET current limit average inductor current L-AVG ΔI = inductor ripple current L × – DIODE IN ΔI = ------------------------------------------------------------------------------ × ...

Page 12

... Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use ...

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