mc44608 ON Semiconductor, mc44608 Datasheet - Page 3

• Manufacturer Part Number: mc44608
• Description: Few External Components Reliable And Flexible Smps Controller
• Manufacturer: ON Semiconductor

1. This parameter is measured using 1.0 nF connected between the output and the ground.
ELECTRICAL CHARACTERISTICS
OUTPUT SECTION
CONTROL INPUT SECTION
current sense section
oscillator section
OVERvoltage section
Output Resistor
Sink Resistance
Source Resistance
Output Voltage Rise Time (from 3.0 V up to 9.0 V) (Note 1)
Output Voltage Falling Edge Slew−Rate (from 9.0 V down to 3.0 V) (Note 1)
Duty Cycle @ I
Duty Cycle @ I
Control Input Clamp Voltage (Switching Phase) @ I
Latched Phase Control Input Voltage (Standby) @ I
Latched Phase Control Input Voltage (Standby) @ I
Maximum Current Sense Input Threshold
Input Bias Current
Standby Current Sense Input Current
Startup Phase Current Sense Input Current
Propagation Delay (Current Sense Input to Output @ V
Leading Edge Blanking Duration
Leading Edge Blanking Duration
Leading Edge Blanking + Propagation Delay
Leading Edge Blanking + Propagation Delay
Normal Operation Frequency MC44608P40
Normal Operation Frequency MC44608P75
Maximum Duty Cycle @ f = f
Quick OVP Input Filtering (R
Propagation Delay (I
Quick OVP Current Threshold
Protection Threshold Level on V
Minimum Gap Between V
pin3
pin3
= 2.5 mA
= 1.0 mA
demag
CC−OVP
> I
demag
osc
ovp
Characteristic
CC
to output low)
and V
= 100 kW)
stup−th
pin3
pin3
pin3
TH
= −1.0 mA
= +500 mA
= +1.0 mA
http://onsemi.com
MC44608P40
MC44608P75
MC44608P40
MC44608P75
T MOS = 3.0 V)
3
V
CC−OVP
T
T
V
PLH(In/Out)
PHL(In/Out)
Symbol
V
V
I
I
V
CS−stup
CS−stby
CC−OVP
LP−stby
LP−stby
d
d
T
T
T
T
I
d
I
R
R
CS−th
B−cs
f
f
T
OVP
2mA
1mA
LEB
LEB
DLY
DLY
osc
osc
max
OH
t
t
OL
filt
r
f
− V
stup
4.75
0.95
−1.8
14.8
Min
180
180
500
370
105
5.0
3.4
2.4
1.0
36
36
68
78
−
−
−
−
−
−
−
−
−
15.3
Typ
200
200
220
480
250
680
470
250
120
8.5
5.0
3.9
3.0
1.0
2.0
15
50
50
43
40
75
82
−
−
−
Max
5.25
1.05
15.8
220
220
900
570
140
2.0
4.3
3.7
1.8
15
48
44
82
86
−
−
−
−
−
−
−
−
−
Unit
kHz
kHz
mA
mA
mA
mA
ns
ns
ns
ns
ns
ns
ns
ns
ms
%
%
%
W
V
V
V
V
V
V