ML4770
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
ML4770CS-X ............................................. 0ºC to 70ºC
ML4770ES-X ........................................... -20ºC to 70ºC
V
IN
Operating Range ....................... 1.8V 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
V
IN
Current
V
IN
= V
OUT
- 0.2V, SHDN = 0V
V
IN
= SHDN = 2.4V, V
OUT
= 0V
I
OUT(Q)
V
OUT
Quiescent Current
SHDN = 0V
V
IN
= SHDN = 2.4V,
V
OUT
= V
OUT(NOM)
PFM REGULATOR
I
PEAK
V
SENSE
I
L
Peak Current
SENSE Comparator Threshold Voltage
Line Regulation
Load Regulation
SHUTDOWN
V
IL
V
IH
Input Low Voltage
Input High Voltage
Input Bias Current
Note 1:
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
3
0.3
25
14
6
1
35
20
µA
µA
µA
µA
1.1
2.52
I
OUT
= 0, See Figure 1
V
IN
= 2.4V, I
OUT
£
220mA
See Figure 1
4.95
4.85
1.3
2.57
5.05
4.95
1.6
2.62
5.15
5.15
A
V
V
V
0.5
V
IN
- 0.5
-100
100
V
V
nA
Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
3
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
