ML4771
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.
V
OUT
........................................................................... 7V
Voltage on any other pin ..... GND – 0.3V to V
OUT
+ 0.3V
Peak Switch Current (I
PEAK
) .......................................... 2A
Average Switch Current (I
AVG
) ..................................... 1A
Junction Temperature .............................................. 150ºC
Storage Temperature Range...................... –65ºC to 150ºC
Lead Temperature (Soldering 10 sec) ....................... 260ºC
Thermal Resistance (q
JA
) .................................... 160ºC/W
OPERATING CONDITIONS
Temperature Range
ML4771CS ................................................. 0ºC to 70ºC
ML4771ES ............................................. –20ºC to 70ºC
V
IN
Operating Range
ML4771CS .................................... 1.8V to V
OUT
– 0.2V
ML4771ES .................................... 2.0V to V
OUT
– 0.2V
V
OUT
Operating Range ................................. 3.0V to 5.5V
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
IN
= Operating Voltage Range, T
A
= Operating Temperature Range (Note 1).
SYMBOL
SUPPLY
I
IN
I
OUT(Q)
I
L(Q)
V
IN
Current
V
OUT
Quiescent Current
V
L
Quiescent Current
V
IN
= V
OUT
– 0.2V
2
25
5
35
1
µA
µA
µA
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PFM REGULATOR
I
L
Peak Current
V
SENSE
V
OUT
SENSE Comparator Threshold Voltage
Output Voltage
Load Regulation
See Figure 1, I
OUT
= 0
See Figure 1,
V
IN
= 2.4V, I
OUT
= 220mA
1.2
2.52
4.95
4.85
1.4
2.57
5.05
4.95
1.7
2.62
5.15
5.15
A
V
V
V
Note 1:
Limits are guaranteed by 100% testing, sampling or correlation with worst case test conditions.
3
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
