ML4875
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
OUT ................................................................................................
7V
Voltage on any other pin ...... GND – 0.3V to V
OUT
+ 0.3V
Peak Switch Current, I
(PEAK) .................................................
1.5A
Average Switch Current, I
(AVG) .......................................
300mA
Junction Temperature ............................................. 150°C
Storage Temperature Range ...................... –65°C to 150°C
Lead Temperature (Soldering 10 sec.) ..................... 260°C
Thermal Resistance (q
JA
) Plastic SOIC ................. 160°C/W
OPERATING CONDITIONS
Temperature Range
ML4875CS-X .............................................. 0°C to 70°C
ML4875ES-X ........................................... –20°C to 70°C
V
IN
Operating Range
ML4875CS-X ................................. 1.0V to V
OUT
–0.2V
ML4875ES-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
IN
= V
OUT
– 0.2V
V
IN
= 4.8V, SHDN = V
IN
V
OUT
Quiescent Current
V
L
Quiescent Current
PFM REGULATOR
Pulse Width (T
ON
)
Output Voltage (V
OUT
)
ML4875-5
ML4875-3
ML4875-T
Load Regulation
ML4875-5
ML4875-3
ML4875-T
Under-Voltage Lockout Threshold
SHUTDOWN
Input Bias Current
Shutdown Threshold
Shutdown Hysteresis
RESET
COMPARATOR
DETECT Threshold
DETECT Bias Current
RESET
ON Voltage
RESET
OFF Current
Note 1:
CONDITIONS
MIN
TYP.
MAX
UNITS
50
20
8
65
30
12
1
µA
µA
µA
µA
8.9
T
ON
= 0 at V
OUT
(MAX),
8.9µs - T
ON
- 11.1µs V
OUT
(MIN)
See Figure 1
V
IN
= 1.2V, I
OUT
- 20mA
V
IN
= 2.4V, I
OUT
- 100mA
V
IN
= 1.2V, I
OUT
- 30mA
V
IN
= 2.4V, I
OUT
- 140mA
V
IN
= 1.2V, I
OUT
- 35mA
V
IN
= 2.4V, I
OUT
- 160mA
4.85
3.2
2.91
4.85
4.85
3.2
3.2
2.91
2.91
10
5.0
3.3
3.0
5.0
5.0
3.3
3.3
3.0
3.0
0.85
11.1
5.15
3.4
3.09
5.15
5.15
3.4
3.4
3.09
3.09
1
µs
V
V
V
V
V
V
V
V
V
V
–100
V
SHDN
= high to low
180
200
50
100
220
70
nA
mV
mV
194
–100
I
RESET
= 50µA
V
RESET
= 5V
200
206
100
mV
nA
mV
µA
100
200
1
Limits are guaranteed by 100% testing, sampling or correlation with worst case test conditions.
3
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
