ML4818
ELECTRICAL CHARACTERISTICS
(Continued)
PARAMETER
ERROR AMPLIFIER
(Continued)
Output Sink Current
Output Source Current
Output High Voltage
Output Low Voltage
Unity Gain Bandwidth
Slew Rate
PHASE MODULATOR
RAMP Bias Current
EA OUT Zero DC Threshold
t
PD
, RAMP to Output
t
DELAY
R
DELAY
Voltage
SOFT START
Charge Current
Discharge Current
CURRENT LIMIT/SHUTDOWN
I
LIM
Bias Current
Current Limit Threshold
t
PD
, I
LIM
RC
RESET
Shutdown Threshold
RC
RESET
Restart Threshold
RC
RESET
Charging Current
SHUTDOWN
Threshold
SHUTDOWN
Input Bias Current
OUTPUT
Output Low Level
Output High Level
Rise/Fall Time
UNDER-VOLTAGE LOCKOUT
Start Threshold
Stop Threshold
SUPPLY
Start Up Current
I
CC
V
CC
< 15.8V
V
INV
= 4V, V
RAMP
= V
ILIM
= 0V,
C
L
= 1nF, T
A
= 25°C (Note 2)
3
60
4
70
mA
mA
15.5
9.25
16.5
10.2
17.2
10.7
V
V
I
OUT
= 20mA
I
OUT
= 200mA, T
A
= 25°C
I
OUT
= –20mA
I
OUT
= –200mA, T
A
= 25°C
C
L
= 1000pF
12.0
11.0
0.1
0.7
13.5
13.0
50
75
0.4
2.8
V
V
V
V
ns
V
SHUTDOWN
= 0
V
ILIM
=2V, V
RCRESET
= 1.5V
0V < V
ILIM
< 4V
V
SHUTDOWN
= 0V
–10
0.92
50
3.15
1.0
–400
2.0
–100
3.4
1.3
–523
2.4
–25
–1
1.02
10
1.12
ns
3.65
1.6
–1000
2.8
10
V
V
µA
V
µA
µA
V
V
SOFT START
= 4V
V
SOFT START
= 1V
–15
10
–25
20
–30
30
µA
mA
C
L
= 1nF
99
4
V
RAMP
= 2.5V
V
RAMP
= 0V
0.4
–1
0.6
50
200
4.3
–10
0.9
80
250
5
µA
V
ns
ns
V
V
EA OUT
= 1V
V
EA OUT
= 5.1V
I
EA OUT
= –0.5mA
I
EA OUT
= 1mA
2.0
8.5
2.8
V/µs
1
–0.5
5.0
3.2
–2.2
5.5
–20
6.0
0.8
mA
mA
V
V
MHz
CONDITIONS
MIN
TYP.
MAX
UNITS
Note 1:
Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
Note 2:
V
CC
must be brought above the UVLO start voltage (17.2V) before dropping to V
CC
= 15V to ensure start-up.
4
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
