ML4826IS-1 Просмотр технического описания (PDF) - Micro Linear Corporation
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ML4826IS-1 Datasheet PDF : 16 Pages
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ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond which
the device could be permanently damaged. Absolute
maximum ratings are stress ratings only and functional
device operation is not implied.
VCC Shunt Regulator Current .................................. 55mA
ISENSE Voltage ................................................... –3V to 5V
Voltage on Any Other Pin .... GND – 0.3V to VCCZ + 0.3V
IREF ........................................................................................... 20mA
IAC Input Current .................................................... 10mA
Peak PFC OUT Current, Source or Sink ................ 500mA
Peak PWM OUT Current, Source or Sink ............. 500mA
PFC OUT, PWM 1, PWM 2 Energy Per Cycle .......... 1.5mJ
ML4826
Junction Temperature .............................................. 150°C
Storage Temperature Range ......................–65°C to 150°C
Lead Temperature (Soldering, 10 sec) ..................... 260°C
Thermal Resistance (θJA)
Plastic DIP ....................................................... 67°C/W
Plastic SOIC ..................................................... 95°C/W
OPERATING CONDITIONS
Temperature Range
ML4826CX ................................................ 0°C to 70°C
ML4826IX .............................................. –40°C to 85°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, ICC = 25mA, RRAMP 1 = RT = 52.3kΩ, CRAMP1 = CT = 180pF,
TA = Operating Temperature Range (Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
VOLTAGE ERROR AMPLIFIER
Input Voltage Range
0
7
V
Transconductance
Feedback Reference Voltage
VNON INV = VINV, VEAO = 3.75V
50
85
120
µ
2.4
2.5
2.6
V
Input Bias Current
Note 2
–0.3
–1.0
µA
Output High Voltage
6.0
6.7
V
Output Low Voltage
0.6
1.0
V
Source Current
Sink Current
Open Loop Gain
∆VIN = ±0.5V, VOUT = 6V
–40
–80
µA
∆VIN = ±0.5V, VOUT = 1.5V
40
80
µA
60
75
dB
Power Supply Rejection Ratio
VCCZ – 3V < VCC < VCCZ – 0.5V
60
75
dB
CURRENT ERROR AMPLIFIER
Input Voltage Range
-1.5
2
V
Transconductance
Input Offset Voltage
VNON INV = VINV, VEAO = 3.75V
130
195
310
µ
±3
±15
mV
Input Bias Current
–0.5
–1.0
µA
Output High Voltage
6.0
6.7
V
Output Low Voltage
0.6
1.0
V
Source Current
Sink Current
Open Loop Gain
∆VIN = ±0.5V, VOUT = 6V
–40
–90
µA
∆VIN = ±0.5V, VOUT = 1.5V
40
90
µA
60
75
dB
Power Supply Rejection Ratio
VCCZ – 3V < VCC < VCCZ – 0.5V
60
75
dB
3
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