ml4894 Microsemi Corporation, ml4894 Datasheet - Page 3

• Manufacturer Part Number: ml4894
• Description: Synchronous Buck Controller
• 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
Peak Driver Output Current ....................................... ±2A
V
I
All Other Inputs ..................... GND - 0.3V to V
SHDN Input Current ............................................. 100 A
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
LINEAR REGULATOR
SHUTDOWN
BUCK REGULATOR
SUPPLY
Note 1:
SENSE
Output Voltage
Line Regulation
Total Variation
Input Low Voltage
Input High Voltage
Input Low Current
Input High Current
Duty Cycle Ratio
V
I
Transition Time
V
SENSE
IN ............................................................................................
FB
FB
IN
Voltage ......................................... GND - 0.3V to 6V
Current
Threshold Voltage
Voltage ..................................................... +500mV
Threshold Voltage
Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
PARAMETER
IN
= 10V, T
A
= Operating Temperature Range (Note 1)
T
5.9V < V
Line, Temp
V
V
V
5.9V < V
C
SHDN = 0V
SHDN = 5V
A
IL
IH
IN
L
= 1000 pF, GND to V
= 25°C
= 0V
= V
= 5.9V, I
IN
IN
+ 0.3V
IN
IN
16.5V
CONDITIONS
< 15V
< 15V
SENSE
= V
FB
Junction Temperature ............................................. 150°C
Storage Temperature Range ..................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................... 150°C
Thermal Resistance (
OPERATING CONDITIONS
V
Temperature Range ................................... -20°C to 70°C
IN
= 0V
IN
Range .................................................... 5.9V to 15V
MIN
3.29
3.24
4.85
3.0
-60
90
JA
) .................................... 160°C/W
3.33
TYP
300
1.7
-80
50
5
2
MAX
3.37
3.42
5.15
-100
100
100
750
1.0
50
95
4
5
ML4894
UNITS
mV/V
mV
nA
ns
%
V
V
V
V
V
A
A
A
3