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EL7513 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - White LED Step-Up Regulator - Intersil Corporation

भाग संख्या EL7513
समारोह White LED Step-Up Regulator
मैन्युफैक्चरर्स Intersil Corporation 
लोगो Intersil Corporation लोगो 
पूर्व दर्शन
1 Page
		
<?=EL7513?> डेटा पत्रक पीडीएफ

EL7513 pdf
EL7513
Absolute Maximum Ratings (TA = 25°C)
COMP, CNTL, CS to SGND. . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
VIN to SGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+14V
VOUT to SGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+19V
LX to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+20V
SGND to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
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. This part is ESD sensitive. Handle with care.
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typ 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 = 3V, VO = 12V, C1 = 4.7µF, L = 33µH, C2 = 1µF, C3 = 0.1µF, R1 = 5, TA = 25°C,
Unless Otherwise Specified
PARAMETER
DESCRIPTION
CONDITIONS
MIN TYP MAX UNIT
VIN Input Voltage
IQ1 Total Input Current at Shut-down
IQ1 Quiescent Supply Current at VO Pin
ICOMP
COMP Pin Pull-up Current
VCOMP
COMP Voltage Swing
ICNTL
CNTL Shut-down Current
VCNTL1
Chip Enable Voltage
VCNTL2
Chip Disable Voltage
IOUT_ACCURACY VCNTL = 1V
VOUT1
Over-voltage Threshold
VOUT2
Over-voltage Threshold
ILX MOSFET Current Limit
VCNTL = 0V
VCNTL = 1V, load disconnected
COMP connected to SGND
CNTL = 0V
VCNTL = 1V
VOUT rising
VOUT falling, with resistive load
2.6 13.2 V
1 µA
1 1.5 mA
11 20 µA
0.5 1.5 2.5
V
1 µA
240 mV
100 mV
14 15 16 mA
17 18 19
V
15 16 17.5 V
500 mA
RDS_ON
ILEAK
FS
DMAX
ICS
IO/VIN
MOSFET On-resistance
MOSFET Leakage Current
Switching Frequency
Maximum Duty Ratio
CS Input Bias Current
Line Regulation
VCNTL = 0V, VLX = 12V
VCNTL = 2V, IS = 0
VIN = 2.6V - 5.5V
0.7
1 µA
800 1000 1200 kHz
85 90
%
1 µA
0.03 %/V
Pin Descriptions
8-PIN TSOT 8-PIN MSOP
17
PIN NAME
COMP
DESCRIPTION
Compensation pin. A compensation cap (4700pF to 1µF) is normally connected between this pin and
SGND.
2 8 CNTL Control pin for dimming and shut-down. A voltage between 250mV and 5.5V controls the brightness,
and less than 100mV shuts down the converter.
3 5 VOUT Output voltage sense. Use for over voltage protection.
4 6 LX Inductor connection pin. The drain of internal MOSFET.
5 3 PGND Power Ground pin. The source of internal MOSFET.
6 4 SGND Signal Ground. Ground pin for internal control circuitry. Needs to connect to PGND at only one point.
7 1 CS Current sense pin. Connect to sensing resistor to set the LED bias current.
8 2 VIN Power supply for internal control circuitry.
2

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