3
ML4861
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
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
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V
IN
= Operating Voltage Range, T
A
= Operating Temperature Range (Note 1).
PARAMETER
CONDITIONS
MIN
TYP.
MAX
UNITS
Supply
V
IN
Current
V
IN
= V
OUT
– 0.2V
45
55
μA
V
OUT
Quiescent Current
8
10
μA
V
L
Quiescent Current
1
μA
Reference
Output Voltage (V
REF
)
0 < I
PIN2
< –5μA,
190
200
210
mV
PFM Regulator
Pulse Width (T
ON
)
V
IN
= 2.4V
C/E Suffix
9
10
11
μs
I Suffix
8.5
10
11.5
μs
Output Voltage (V
OUT
)
(Note 2)
ML4861-6
ML4861-5
ML4861-3
5.82
4.85
3.2
6.0
5.0
3.3
6.18
5.15
3.4
V
V
V
Load Regulation
See Figure 1
V
IN
= 1.2V, I
OUT
- 20mA
V
IN
= 2.4V, I
OUT
- 95mA
ML4861-6
5.82
5.82
6.0
6.0
6.18
6.18
V
V
ML4861-5
V
IN
= 1.2V, I
OUT
- 25mA
V
IN
= 2.4V, I
OUT
- 135mA
4.85
4.85
5.0
5.0
5.15
5.15
V
V
ML4861-3
V
IN
= 1.2V, I
OUT
- 40mA
V
IN
= 2.4V, I
OUT
- 180mA
3.2
3.2
3.3
3.3
3.4
3.4
V
V
Under-Voltage Lockout Threshold
C/E Suffix
0.85
0.95
V
I Suffix
0.95
1.05
V
RESET
Comparator
DETECT Threshold
190
200
210
mV
DETECT Bias Current
–100
100
nA
RESET
Output High Voltage (V
OH
)
I
OH
= –100μA
V
OUT
– 0.2
V
RESET
Output Low Voltage (V
OL
)
I
OL
= 100μA
0.2
V
Note 1:
Note 2:
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).