ML4872
ABSOLUTE MAXIMUM RATINGS
OPERATING CONDITIONS
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.
Temperature Range
ML4872CS-X.............................................. 0ºC to 70ºC
ML4872ES-X ...........................................–20ºC to 70ºC
IN
V
Operating Range
ML4872CS-X................................ 1.8V to V
ML4872ES-X ................................ 2.0V to V
– 0.2V
– 0.2V
OUT
OUT
V
.......................................................................... 7V
OUT
Voltage on any other pin .....GND – 0.3V to V
+ 0.3V
OUT
Peak Switch Current (I
Average Switch Current (I
) ......................................... 2A
PEAK
)..................................... 1A
AVG
Junction Temperature .............................................. 150ºC
Storage Temperature Range ...................... –65ºC to 150ºC
Lead Temperature (Soldering 10 sec) ...................... 260ºC
Thermal Resistance (q ).................................... 160ºC/W
JA
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V = Operating Voltage Range, T = Operating Temperature Range (Note 1).
IN
A
SYMBOL
SUPPLY
IIN
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN Current
VIN = VOUT – 0.2V
2
5
35
22
1
µA
µA
µA
µA
IOUT(Q) VOUT Quiescent Current
SHDN = 0V
SHDN = VIN
25
15
IL(Q)
PFM REGULATOR
IL Peak Current
VL Quiescent Current
1.2
1.4
1.7
A
V
V
V
VOUT
Output Voltage
IL(PEAK) = 0
-3 Suffix
-5 Suffix
3.30
4.95
3.20
3.35
5.05
3.25
3.40
5.15
3.40
Load Regulation
See Figure 1, -3 Suffix
VIN = 2.4V, IOUT = 400mA
See Figure 1, -5 Suffix
4.85
4.95
5.15
V
VIN = 2.4V, IOUT = 220mA
SHUTDOWN
Input Bias Current
Shutdown Threshold
–100
0.4
100
1.1
nA
V
VSHDN = high to low
0.6
Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
3
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
