ML4818CS Micro Linear, ML4818CS Datasheet - Page 4

• Manufacturer Part Number: ML4818CS
• Description: Phase Modulation/Soft Switching Controller
• Manufacturer: Micro Linear

ML4818
ELECTRICAL CHARACTERISTICS
PARAMETER
Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
Note 2: V
4
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
t
R
SOFT START
Charge Current
Discharge Current
CURRENT LIMIT/SHUTDOWN
I
Current Limit Threshold
t
RC
RC
RC
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
PD
DELAY
LIM
PD
CC
DELAY
RESET
RESET
RESET
, RAMP to Output
, I
Bias Current
CC
LIM
must be brought above the UVLO start voltage (17.2V) before dropping to V
Voltage
Shutdown Threshold
Restart Threshold
Charging Current
V
V
I
I
V
V
C
V
V
0V < V
V
V
V
I
I
I
I
C
V
V
C
EA OUT
EA OUT
OUT
OUT
OUT
OUT
EA OUT
EA OUT
RAMP
RAMP
L
SOFT START
SOFT START
SHUTDOWN
I LIM
SHUTDOWN
L
CC
INV
L
= 1000pF
= 1nF, T
= 1nF
< 15.8V
= 20mA
= 200mA, T
= –20mA
= –200mA, T
= 4V, V
=2V, V
(Continued)
= 2.5V
= 0V
I LIM
= –0.5mA
= 1mA
= 1V
= 5.1V
< 4V
A
CONDITIONS
= 4V
= 1V
RC RESET
RAMP
= 0V
= 25 C (Note 2)
= 0
A
A
= V
= 25 C
= 25 C
= 1.5V
I LIM
CC
= 15V to ensure start-up.
= 0V,
–400
–100
MIN
0.92
3.15
12.0
11.0
15.5
9.25
–0.5
–15
–10
5.0
2.0
8.5
0.4
1.0
2.0
99
10
50
1
4
–523
TYP.
1.02
13.5
13.0
16.5
10.2
–2.2
200
–25
–25
3.2
5.5
2.8
0.6
4.3
3.4
1.3
2.4
0.1
0.7
–1
50
20
–1
50
60
3
–1000
MAX
1.12
3.65
17.2
10.7
V/ s
–20
–10
250
–30
6.0
0.8
0.9
1.6
2.8
0.4
2.8
80
30
10
10
75
70
ns
5
4
UNITS
MHz
mA
mA
mA
mA
mA
ns
ns
ns
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
A
A