ml4823 Fairchild Semiconductor, ml4823 Datasheet - Page 4

• Manufacturer Part Number: ml4823
• Description: High Frequency Power Supply Controller
• Manufacturer: Fairchild Semiconductor

ML4823
ELECTRICAL CHARACTERISTICS
ERROR AMPLIFIER (Continued)
PWM COMPARATOR
SOFT START
CURRENT LIMIT/SHUTDOWN
OUTPUT
UNDER VOLTAGE LOCKOUT
SUPPLY
Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
4
CMRR
PSRR
Output Sink Current
Output Source Current
Output High Voltage
Output Low Voltage
Unity Gain Bandwidth
Slew Rate
RAMP Bias Current
Duty Cycle Range
E/A OUT Zero DC Threshold
Delay to Output
Charge Current
Discharge Current
I
Current Limit Offset
I
Shutdown Threshold
Delay to Output
Output Low Level
Output High Level
Collector Leakage
Rise/Fall Time
Start Threshold
UVLO Hysteresis
Start Up Current
I
LIM
LIM
CC
Bias Current
REF Common Mode Range
PARAMETER
1.5
10
V
V
I
I
V
V
V
V
0V
I
I
I
I
I
V
C
V
INV, RANP, I
NI = 1V
E/A OUT
E/A OUT
LIM
OUT
OUT
OUT
OUT
E/A OUT
E/A OUT
RAMP
RAMP
SOFT START
SOFT START
C
L
CC
= 1000pF
= 30V
REF = 1.1V
= 8V
(Continued)
V
= 20mA
= 200mA
= –20mA
= –200mA
I
V
LIM
CC
= 0V
= 0V
CC
= –0.5mA
= 1mA
= 1V
= 4V
CONDITIONS
30V
4V
5.5V
= 0.5V
= 1V
LIM
= 0V
MIN
1.25
12.8
12.0
–0.5
4.0
1.1
1.0
8.8
0.4
50
70
1
3
6
0
1
0
0
3
–1.3
1.25
1.40
0.25
13.5
13.0
TYP
100
100
2.5
4.7
0.5
5.5
1.2
9.2
0.8
1.1
80
12
–1
50
50
30
22
9
REV. 1.0 10/12/2000
MAX
1.25
1.55
0.40
±10
500
5.0
1.0
2.2
9.7
1.2
2.5
–5
80
80
20
15
80
60
33
UNITS
MHz
V/µs
mA
mV
mA
mA
mA
mA
dB
dB
µA
µA
µA
µA
%
ns
ns
ns
V
V
V
V
V
V
V
V
V
V
V