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MAX17498A डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - (MAX17498A/B/C) AC-DC and DC-DC Peak-Current-Mode Converters - Maxim Integrated Products

भाग संख्या MAX17498A
समारोह (MAX17498A/B/C) AC-DC and DC-DC Peak-Current-Mode Converters
मैन्युफैक्चरर्स Maxim Integrated Products 
लोगो Maxim Integrated Products लोगो 
पूर्व दर्शन
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<?=MAX17498A?> डेटा पत्रक पीडीएफ

MAX17498A pdf
MAX17498A/MAX17498B/MAX17498C
AC-DC and DC-DC Peak Current-Mode Converters
for Flyback/Boost Applications
ABSOLUTE MAXIMUM RATINGS
IN to SGND.............................................................-0.3V to +40V
EN/UVLO to SGND.......................................... -0.3V to IN + 0.3V
OVI to SGND............................................... -0.3V to VCC + 0.3V
VCC to SGND...........................................................-0.3V to +6V
SS, LIM, EA-, EA+, COMP, SLOPE,
REF to SGND.........................................-0.3V to (VCC + 0.3V)
LX to SGND............................................................-0.3V to +70V
PGOOD to SGND.....................................................-0.3V to +6V
PGND to SGND.....................................................-0.3V to +0.3V
Continuous Power Dissipation (Single-Layer Board)
TQFN (derate 20.8mW/°C above +70°C)..................1700mW
Operating Temperature Range......................... -40°C to +125°C
Storage Temperature Range............................. -65°C to +160°C
Junction Temperature (continuous).................................+150°C
Lead Temperature (soldering, 10s).................................+300°C
Soldering Temperature (reflow).......................................+260°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-
tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VIN = +15V, VEN/UVLO = +2V, COMP = open, CIN = 1µF, CVCC = 1µF, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical
values are at TA = +25°C.) (Note 1)
PARAMETER
INPUT SUPPLY (VIN)
IN Voltage Range (VIN)
IN Supply Startup Current Under
UVLO
IN Supply Current (IIN)
IN Boostrap UVLO Rising
Threshold
IN Bootstrap UVLO Falling
Threshold
IN Clamp Voltage
LINEAR REGULATOR (VCC)
VCC Output Voltage Range
VCC Dropout Voltage
VCC Current Limit
ENABLE (EN/UVLO)
EN/UVLO Threshold
EN/UVLO Input Leakage Current
CONDITIONS
MAX17498A
MAX17498B/MAX17498C
IINSTARTUP, VIN < UVLO or EN/UVLO = SGND
Switching, fSW = 250kHz (MAX17498A/MAX17498C)
Switching, fSW = 500kHz (MAX17498B)
MAX17498A
MAX17498B/MAX17498C
EN/UVLO = SGND, IIN = 1mA (MAX17498A) (Note 2)
6V < VIN < 29V, 0mA < IVCC < 50mA
VIN = 4.5V, IVCC = 20mA
VCC = 0V, VIN = 6V
Rising
Falling
0V < VEN/UVLO < 1.5V, TA = +25NC
MIN TYP MAX UNITS
4.5
4.5
19
3.85
3.65
31
22
1.8
2
20.5
4.15
3.95
33.5
29
36
36
3
3.25
22
4.4
4.25
36
V
µA
mA
V
V
V
4.8 5 5.2
160 300
50 100
V
mV
mA
1.18
1.11
-100
1.23
1.17
0
1.28
1.21
+100
V
nA
Maxim Integrated
  2

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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
MAX17498A(MAX17498A/B/C) AC-DC and DC-DC Peak-Current-Mode ConvertersMaxim Integrated Products
Maxim Integrated Products
MAX17498B(MAX17498A/B/C) AC-DC and DC-DC Peak-Current-Mode ConvertersMaxim Integrated Products
Maxim Integrated Products


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