ML4861
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.
Voltage on any pin ....................................................... 7V
Peak Switch Current, I
(PEAK) .....................................................
2A
Average Switch Current, I
(AVG) .......................................
500mA
Junction Temperature ............................................. 150°C
Storage Temperature Range ...................... –65°C to 150°C
Lead Temperature (Soldering 10 sec.) ..................... 260°C
Thermal Resistance (q
JA
) ..................................... 160°C/W
OPERATING CONDITIONS
Temperature Range
ML4861CS-X .............................................. 0°C to 70°C
ML4861ES-X ........................................... –20°C to 70°C
ML4861IS-X ............................................ –40°C to 85°C
V
IN
Operating Range
ML4861CS-X ................................ 1.0V to V
OUT
– 0.2V
ML4861ES-X, ML4861IS-X ............ 1.1V to V
OUT
– 0.2V
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
IN
= Operating Voltage Range, T
A
= Operating Temperature Range (Note 1).
PARAMETER
Supply
V
IN
Current
V
OUT
Quiescent Current
V
L
Quiescent Current
Reference
Output Voltage (V
REF
)
PFM Regulator
Pulse Width (T
ON
)
V
IN
= 2.4V
C/E Suffix
I Suffix
Output Voltage (V
OUT
)
ML4861-6
ML4861-5
ML4861-3
Load Regulation
ML4861-6
ML4861-5
ML4861-3
Under-Voltage Lockout Threshold
(Note 2)
5.82
4.85
3.2
See Figure 1
V
IN
= 1.2V, I
OUT
- 20mA
V
IN
= 2.4V, I
OUT
- 95mA
V
IN
= 1.2V, I
OUT
- 25mA
V
IN
= 2.4V, I
OUT
- 135mA
V
IN
= 1.2V, I
OUT
- 40mA
V
IN
= 2.4V, I
OUT
- 180mA
C/E Suffix
I Suffix
RESET
Comparator
DETECT Threshold
DETECT Bias Current
RESET
Output High Voltage (V
OH
)
RESET
Output Low Voltage (V
OL
)
Note 1:
Note 2:
CONDITIONS
MIN
TYP.
MAX
UNITS
V
IN
= V
OUT
– 0.2V
45
8
55
10
1
µA
µA
µA
0 < I
PIN2
< –5µA,
190
200
210
mV
9
8.5
10
10
6.0
5.0
3.3
6.0
6.0
5.0
5.0
3.3
3.3
0.85
0.95
11
11.5
6.18
5.15
3.4
6.18
6.18
5.15
5.15
3.4
3.4
0.95
1.05
µs
µs
V
V
V
V
V
V
V
V
V
V
V
5.82
5.82
4.85
4.85
3.2
3.2
190
–100
I
OH
= –100µA
I
OL
= 100µA
V
OUT
– 0.2
200
210
100
mV
nA
V
0.2
V
Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
For CS/ES suffix, T
ON
= 0 at V
OUT
(MAX), 9µs - T
ON
- 11µs at V
OUT
(MIN). For IS suffix, T
ON
= 0 at V
OUT
(MAX), 8.5µs - T
ON
- 11.5µs at V
OUT
(MIN).
3
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
