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Renesas Electronics Components Datasheet

EL7516 Datasheet

600kHz / 1.2MHz PWM Step-Up Regulator

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EL7516
NOPTIRNECCOOMMPMAETINBIDSLELE9DR7F5EO1P6RLANCEEWMDENESTIIGSNS
600kHz/1.2MHz PWM Step-Up Regulator
DATASHEET
FN7333
Rev 6.00
October 9, 2007
The EL7516 is a high frequency, high efficiency step-up
voltage regulator operated at constant frequency PWM
mode. With an internal 1.5A, 200mMOSFET, 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
EL7516
(8 LD MSOP)
TOP VIEW
COMP 1
FB 2
SHDN 3
GND 4
8 SS
7 FSEL
6 VDD
5 LX
Features
• >90% efficiency
• 1.6A, 200mpower MOSFET
• VIN > 2.5V
• 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
PART
NUMBER
PART TAPE &
PKG.
MARKING REEL PACKAGE DWG. #
EL7516IY
f
- 8 Ld MSOP MDP0043
EL7516IY-T7 f
7” 8 Ld MSOP MDP0043
EL7516IY-T13 f
13” 8 Ld MSOP MDP0043
EL7516IYZ
(Note)
BARAA
- 8 Ld MSOP MDP0043
(Pb-Free)
EL7516IYZ-T7 BARAA
(Note)
7” 8 Ld MSOP MDP0043
(Pb-Free)
EL7516IYZ-T13 BARAA
(Note)
13” 8 Ld MSOP MDP0043
(Pb-Free)
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.
FN7333 Rev 6.00
October 9, 2007
Page 1 of 12


Renesas Electronics Components Datasheet

EL7516 Datasheet

600kHz / 1.2MHz PWM Step-Up Regulator

No Preview Available !

EL7516
Absolute Maximum Ratings (TA = +25°C)
LX to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18V
VDD to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V
COMP, FB, SHDN, SS, FSEL to GND . . . . . . . -0.3V to (VDD +0.3V)
Thermal Information
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Operating Ambient Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +135°C
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Curves
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typical values are for information purposes only. Unless otherwise noted, all tests
are at the specified temperature and are pulsed tests, therefore: TJ = TC = TA
Electrical Specifications VIN = 3.3V, VOUT = 12V, IOUT = 0mA, FSEL = GND, TA = +25°C unless otherwise specified.
PARAMETER
DESCRIPTION
CONDITIONS
MIN TYP MAX
IQ1 Quiescent Current - Shut-down
SHDN = 0V
0.6 10
IQ2 Quiescent Current - Not Switching
IQ3 Quiescent Current - Switching
VFB Feedback Voltage
IB-FB
Feedback Input Bias Current
VDD
Start-Up Input Voltage Range
DMAX - 600kHz Maximum Duty Cycle
DMAX - 1.2MHz Maximum Duty Cycle
ILIM Current Limit - Max Peak Input Current
ISHDN
Shut-down Input Bias Current
rDS-ON
Switch ON-Resistance
ILX-LEAK
Switch Leakage Current
VOUT/VIN Line Regulation
VOUT/IOUT Load Regulation
fOSC1
Switching Frequency Accuracy
fOSC2
Switching Frequency Accuracy
VIL SHDN, FSEL Input Low Level
VIH SHDN, FSEL Input High Level
VIL SHDN, Input Low Level
VIH SHDN, Input High Level
GM Error Amp Tranconductance
AV Voltage Gain
VDD-ON
VDD UVLO On Threshold
VDD-OFF
VDD UVLO Off Threshold
ISS Soft-start Charge Current
RCS
Current Sense Transresistance
OTP
Over-temperature Protection
SHDN = VDD, FB = 1.3V
SHDN = VDD, FB = 1.0V
FSEL = 0V
FSEL = VDD
SHDN = 0V
VDD = 2.7V, ILX = 1A
VSW = 18V
3V < VIN < 5.5V, VOUT = 12V
VIN = 3.3V, VOUT = 12V, IO = 30mA to 200mA
FSEL = 0V
FSEL = VDD
5V Input Supply
5V Input Supply
I = 5µA
1.272
2.6
84
84
1.3
500
1000
2.7
4.5
90
2.40
2.20
4
0.7
1.3
1.294
0.01
90
90
1.5
0.01
0.2
0.01
0.1
6.7
620
1250
130
350
2.51
2.30
6
0.08
130
2
1.309
0.5
5.5
0.1
3
740
1500
0.5
1.25
170
2.60
2.40
8
UNIT
µA
mA
mA
V
µA
V
%
%
A
µA
µA
%
mV/A
kHz
kHz
V
V
V
V
1µ/
V/V
V
V
µA
V/A
°C
FN7333 Rev 6.00
October 9, 2007
Page 2 of 12


Part Number EL7516
Description 600kHz / 1.2MHz PWM Step-Up Regulator
Maker Renesas
Total Page 12 Pages
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