ML4828
ELECTRICAL CHARACTERISTICS (Continued)
PARAMETER
PHASE MODULATOR
CONDITIONS
MIN
0
TYP.
MAX
UNITS
EAO Zero Duty Cycle Threshold
RAMP Delay to Output
RAMP Discharge Current
SOFT-START
VRT = 0V
0.5
50
0.9
80
95
V
ns
48
mA
Charge Current
VSS = 4V
VSS = 1V
–25
10
–50
µA
Discharge Current
6
13.2
mA
CURRENT LIMIT/SHUTDOWN
Current Limit Threshold
Pin 20 Delay to Output
Pin 12 Shutdown Threshold
Pin 12 Restart Threshold
Pin 12 Charging Current
SDN Shutdown Threshold
OUTPUT
0.9
1.0
50
1.1
V
ns
V
(Note 1)
1.0
2.2
1.1
1.5
2.6
2.4
V
–350
1.05
–460
1.6
–550
2.05
µA
V
Output Low Level
I
OUT = 20 mA
0.01
0.1
0.1
0.3
V
V
IOUT = 100 mA
Output High Level
IOUT = –20 mA
IOUT = –100 mA
4.9
4.6
4.95
4.7
V
V
Rise/Fall Time
CL = 1000pF, (Note 1)
5
280
0
7
ns
ns
ns
V
ZVS Programmable Delay
Delay Mismatch
RA/RB Reference Voltage
UNDER VOLTAGE LOCKOUT
Start Threshold
240
315
2.45
2.5
2.55
5.1
4.1
5.85
4.2
6.6
4.3
V
V
Stop Threshold
SUPPLY
Start Up Current
Shutdown Current
ICC
VCC < 6V
0.6
100
5
1
500
7
mA
µA
VCC = 5V, CL = 1000pF, TA = 25°C
mA
Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
Note 2: VCC must be brought above the UVLO start voltage (6V) before dropping to VCC = 5V to ensure start-up.
4
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
