ML4880
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.
V
Range ..................................................... 5.5V to 18V
IN
Temperature Range
ML4880CS ................................................ 0°C to 70°C
ML4880ES ............................................. –20°C to 70°C
V
............................................................................................... 20V
IN
Peak Driver Output Current ........................................ 2A
V
Voltage ......................................... GND – 0.3V to 6V
FB
I
Voltage..................................................... ±500mV
SENSE
All Other Analog Inputs ......... GND – 0.3V to V + 0.3V
IN
All Digital Inputs .................. GND – 0.3V to V
+ 0.3V
REG
Junction Temperature ............................................. 150°C
Storage Temperature Range .................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec) ..................... 150°C
Thermal Resistance (θ )...................................... 80°C/W
JA
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, V = 14V, C(V
) = 10µF, T = Operating Temperature Range (Note 1)
IN
REG
A
PARAMETER
Shutdown Inputs
CONDITIONS
MIN
TYP
MAX
0.8
1
UNITS
Input Low Voltage
Input High Voltage
Input Bias Current
V
V
2.0
–1
µA
Buck Regulator A
Duty Cycle Ratio
VIN = 5.5V, ISENSE A = VFB A = 0V
86
96
%
V
VFB A Threshold Voltage
ISENSE A Threshold Voltage
Transition Time
1.21
–140
1.25
–200
80
1.29
–250
100
mV
ns
CL = 1000pF, 0 to VREG
Buck Regulator B
Duty Cycle Ratio
VIN = 5.5V, ISENSE B = VFB B = 0V
92
98
%
V
VFB B Threshold Voltage
ISENSE B Threshold Voltage
Transition Time
1.21
–140
1.25
–200
80
1.29
–250
100
mV
ns
CL = 1000pF, 0 to VREG
Flyback Regulator C
Duty Cycle Ratio
VIN = 5.5V, ISENSEC = VFBC = 0V
VIN = 18V, ISENSEC = VFBC = 0V
86
61
94
77
%
%
VFB C Threshold Voltage
ISENSE C Threshold Voltage
Transition Time
1.21
–140
1.25
–200
80
1.29
–250
100
V
mV
ns
CL = 1000pF, 0 to VREG
Supply
Linear Regulator Output Voltage
Linear Regulator Load Regulation
VIN Current
7V ≤ VIN ≤ 18V
6.25
6.10
6.99
6.99
350
400
V
V
I(VREG) = 0 to 10mA
SHDN A/B/C = 5V
SHDN A/B/C = 0V
300
350
µA
µA
Note 1: Limits are guaranteed by 100% testing, sampling or correlation with worst case test conditions.
3
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
