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EL7520A डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 4-Channel DC/DC Controller - Renesas

भाग संख्या EL7520A
समारोह 4-Channel DC/DC Controller
मैन्युफैक्चरर्स Renesas 
लोगो Renesas लोगो 
पूर्व दर्शन
1 Page
		
<?=EL7520A?> डेटा पत्रक पीडीएफ

EL7520A pdf
EL7520, EL7520A
Absolute Maximum Ratings (TA = 25°C)
VDELB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25V
VDRVP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36V
VDRVN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20V
VDDP, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V
Thermal Information
Thermal Resistance (Typical, Notes 1, 2) JA (°C/W) JC (°C/W)
QFN Package. . . . . . . . . . . . . . . . . . . .
40
7.5
VDRVL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
Maximum Continuous Junction Temperature . . . . . . . . . . . . . 125°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.
NOTES:
1. JA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
2. For JC, the “case temp” location is the center of the exposed metal pad on the package underside.
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 VDD = 5V, VBOOST = 11V, ILOAD = 40mA, VON = 15V, VOFF = -5V, VLOGIC = 2.5V, over temperature from -
40°C to 85°C, unless otherwise specified.
PARAMETER
DESCRIPTION
CONDITION
MIN TYP MAX UNIT
SUPPLY
VS Supply Voltage
IS Quiescent Current
Enabled, LX not switching
Disabled, EL7520
3 5.5 V
1.6 2.5 mA
5 30 µA
Disabled, EL7520A
640 800
µA
FOSC
BOOST
Oscillator Frequency
900 1000 1100 kHz
VREF
Reference Voltage
TA = 25°C
1.19
1.187
1.215
1.215
1.235
1.238
V
V
CREF
VFBB
VREF Capacitor
Feedback Reference Voltage
TA = 25°C
1.192
1.188
100
1.205
1.205
1.218
1.222
nF
V
V
VF_FBB
DMAX
Eff
FBB Fault Trip Point
Maximum Duty Cycle
Boost Efficiency
I(VREF)
VBOOST/
VIN
VBOOST/
IBOOST
VBOOST/
IBOOST
VCINT_T
VON LDO
VFBP
Feedback Input Bias Current
Line Regulation
Load Regulation - “P” Mode
Load Regulation - “PI” Mode
CINT Pl Mode Select Threshold
FBP Regulation Voltage
VF_FBP
IFBP
GMP
FBP Fault Trip Point
FBP Input Bias Current
FBP Effective Transconductance
VFBB falling
Test with 24mRDS(ON) MOSFET,
ILOAD = 400mA
PI mode, VFBB = 1.35V
CINT = 2.2nF, IOUT = 200mA
VIN = 3V to 5.5V
CINT pin strapped to VDD
IOUT = 10mA to 200mA
IDRVP = 0.2mA, TA = 25°C
IDRVP = 0.2mA
VFBP falling
VFBP = 1.35V
VDRVP = 25V, IDRVP = 0.2 to 2mA
1
85
90
V
%
%
50 500 nA
0.05 %/V
3%
0.1 %
4.7 4.8
V
1.181
1.177
0.95
-250
1.211
1.211
1
50
1.229
1.233
1.05
250
V
V
V
nA
mS
FN7318 Rev 0.00
July 12, 2005
Page 2 of 18

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