ML4775
ABSOLUTE MAXIMUM RATINGS
OPERATING CONDITIONS
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.
Temperature Range
ML4775CS ................................................ 0°C to 70°C
ML4775ES ............................................ –20°C to 70°C
VIN Operating Range
ML4775CS .................................. 1.0V to VOUT –0.2V
ML4775ES .................................. 1.1V to VOUT –0.2V
VOUT ..........................................................................7V
Voltage on any other pin ..... GND –0.3V to VOUT +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 (qJA) ...................................160°C/W
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VIN = Operating Voltage Range, TA = Operating Temperature Range (Note 1).
PARAMETER
CONDITIONS
MIN
TYP.
MAX
UNITS
SUPPLY
VIN Quiescent Current
VIN = VOUT –0.2 V
55
20
8
65
30
12
1
µA
µA
µA
µA
VIN = 4.8V, SHDN = VIN
VOUT Quiescent Current
VL Quiescent Current
PFM REGULATOR
Pulse Width (TON)
8.9
10
11.1
206
µs
SENSE Comparator
194
200
mV
Threshold Voltage (VSENSE)
Load Regulation
See Figure 1
VIN = 1.2V, IOUT - 20mA
VIN = 2.4V, IOUT - 105mA
4.85
4.85
5.0
5.0
5.15
5.15
V
V
Undervoltage Lockout Threshold
SHUTDOWN
0.85
1
V
Input Bias Current
–100
180
100
220
70
nA
mV
mV
Shutdown Threshold
Shutdown Hysteresis
200
50
Note 1: Limits are guaranteed by 100% testing, sampling or correlation with worst case test conditions.
3
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
