ml4872 Microsemi Corporation, ml4872 Datasheet - Page 3

• Manufacturer Part Number: ml4872
• Description: High Current Boost Regulator With Shutdown
• Manufacturer: Microsemi Corporation

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