ML4770CS 查看數據表（PDF） - Micro Linear Corporation
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ML4770CS
Micro Linear Corporation
ML4770CS Datasheet PDF : 8 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.
VOUT ............................................................................................... 7V
Voltage on any other pin ..... GND - 0.3V to VOUT + 0.3V
Peak Switch Current (IPEAK) ......................................... 2A
Average Switch Current (IAVG) ..................................... 1A
Junction Temperature ............................................. 150ºC
Storage Temperature Range .................... –65ºC to 150ºC
Lead Temperature (Soldering, 10 sec) ................... 260ºC
Thermal Resistance (qJA) .................................. 160ºC/W
ML4770
OPERATING CONDITIONS
Temperature Range
ML4770CS-X ............................................. 0ºC to 70ºC
ML4770ES-X ........................................... -20ºC to 70ºC
VIN Operating Range ....................... 1.8V to VOUT - 0.2V
VOUT Operating Range ............................... 3.0V to 5.5V
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VIN = Operating Voltage Range, TA = Operating Temperature Range (Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
SUPPLY
IIN
VIN Current
IOUT(Q) VOUT Quiescent Current
PFM REGULATOR
VIN = VOUT - 0.2V, SHDN = 0V
VIN = SHDN = 2.4V, VOUT = 0V
SHDN = 0V
VIN = SHDN = 2.4V,
VOUT = VOUT(NOM)
3
6
0.3
1
25
35
14
20
IPEAK
VSENSE
IL Peak Current
SENSE Comparator Threshold Voltage
Line Regulation
Load Regulation
IOUT = 0, See Figure 1
VIN = 2.4V, IOUT £ 220mA
See Figure 1
1.1
2.52
4.95
4.85
1.3
2.57
5.05
4.95
1.6
2.62
5.15
5.15
SHUTDOWN
VIL Input Low Voltage
VIH Input High Voltage
Input Bias Current
0.5
VIN - 0.5
-100
100
UNITS
µA
µA
µA
µA
A
V
V
V
V
V
nA
Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
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