ML4950CS View Datasheet(PDF) - Micro Linear Corporation
Part Name
Description
Manufacturer
ML4950CS
Micro Linear Corporation
ML4950CS Datasheet PDF : 10 Pages
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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.
VOUT ............................................................................................... 7V
Voltage on Any Other Pin ..... GND - 0.3V to VOUT + 0.3V
Peak Switch Current (IPEAK) .......................................... 1A
Average Switch Current (IAVG) .............................. 250mA
Junction Temperature .............................................. 150ºC
Storage Temperature Range...................... –65ºC to 150ºC
Lead Temperature (Soldering, 10 sec) ...................... 150ºC
Thermal Resistance (qJA) .................................... 160ºC/W
ML4950
OPERATING CONDITIONS
Temperature Range
ML4950CS-X .............................................. 0ºC to 70ºC
ML4950ES-X ........................................... -20ºC to 70ºC
VIN Operating Range
ML4950CS-X ................................. 1.0V to VOUT - 0.2V
ML4950ES-X ................................. 1.1V to VOUT - 0.2V
VOUT Operating Range ....................................... 2V to 3V
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VIN = Operating Voltage Range, TA = Operating Temperature Range (Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
SUPPLY
IIN
VIN Current
VIN = VOUT - 0.2V
50
IOUT(Q) VOUT Quiescent Current
8
IL(Q) VL Quiescent Current
PFM REGULATOR
tON Pulse Width
4.5
5
VSENSE
SENSE Compator Threshold Voltage
Load Regulation
See Figure 1
VIN = 1.2V, IOUT £ 25mA
196
201
2.425
2.5
Undervoltage Lockout Threshold
0.85
RESET COMPARATOR
DETECT Threshold Voltage
194
200
DETECT Bias Current
-100
RESET Output High Voltage
IOH = -100µA
VOUT-0.2
RESET Output Low Voltage
IOL = 100µA
MAX
60
10
1
5.5
208
2.575
0.95
206
100
0.2
UNITS
µA
µA
µA
µs
mV
V
V
mV
nA
V
V
Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
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