ml4851 Microsemi Corporation, ml4851 Datasheet - Page 3

• Manufacturer Part Number: ml4851
• Description: Current, Voltage Boost Regulator
• 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
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
SUPPLY
REFERENCE
PFM REGULATOR
OUTPUT VOLTAGE
RESET COMPARATOR
Note 1: Limits are guaranteed by 100% testing, sampling or correlation with worst case test conditions.
SYMBOL
I
OUT
OUT(Q)
V
V
t
I
OUT
ON
IN
I
REF
L
.......................................................................... 7V
V
V
V
Output Voltage
Pulse Width
Output Voltage
Load Regulation
Undervoltage Lockout Threshold
DETECT Threshold
DETECT Bias Current
RESET Output High Voltage
RESET Output Low Voltage
IN
OUT
L
Quiescent Current
Current
Quiescent Current
(PEAK) ...................................................
PARAMETER
(AVG) .....................................
IN
= Operating Voltage Range, T
DATASHEET
OUT
250mA
+ 0.3V
V
0 < I
t
4.5µs
at V
See Figure 1, -3 Suffix
V
See Figure 1, -3 Suffix
V
See Figure 1, -5 Suffix
V
See Figure 1, -5 Suffix
V
I
I
ON
OH
OL
IN
IN
IN
IN
IN
= -100µA
1A
= V
= 1.2V, I
= 2.4V, I
= 1.2V, I
= 2.4V, I
= 100µA
= 0 at V
REF
OUT(MIN)
OUT
t
< –5µA
ON
CONDITIONS
A
– 0.2V
OUT(MAX)
OUT
OUT
OUT
OUT
= Operating Temperature Range (Note 1)
OPERATING CONDITIONS
Temperature Range
V
Thermal Resistance (
5.5µs
July 2000
IN
ML4851CS-X .............................................. 0ºC to 70ºC
ML4851ES-X ........................................... –20ºC to 70ºC
ML4851CS-X ................................ 1.0V to V
ML4851ES-X ................................ 1.1V to V
Operating Range
10mA
65mA
18mA
85mA
,
-3 Suffix
-5 Suffix
V
JA
OUT
–100
MIN
) .................................... 160ºC/W
4.85
4.85
4.85
190
194
4.5
3.2
3.2
3.2
– 0.2
0.85
TYP
200
200
3.3
5.0
3.3
3.3
5.0
5.0
50
8
5
MAX
5.15
5.15
5.15
0.95
ML4851
210
206
100
5.5
3.4
3.4
3.4
0.2
60
10
1
OUT
OUT
– 0.2V
– 0.2V
UNITS
mV
mV
µA
µA
µA
nA
µs
V
V
V
V
V
V
V
V
V
3