mc44608 ON Semiconductor, mc44608 Datasheet - Page 2

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

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
ORDERING INFORMATION
MAXIMUM RATINGS
Total Power Supply Current
Output Supply Voltage with Respect to Ground
All Inputs except Vi
Line Voltage Absolute Rating
Recommended Line Voltage Operating Condition
Power Dissipation and Thermal Characteristics
Operating Junction Temperature
Operating Ambient Temperature
MC44608P40
MC44608P40G
MC44608P75
MC44608P75G
Isense
Maximum Power Dissipation at T
Thermal Resistance, Junction−to−Air
2
1
S1
Device
200 A
0
DMG
Demag
Output
m
Startup
Logic
Phase
Standby
Leading Edge
Switching
&
Blanking
Phase
+
−
50 mV
/20 mV
Management
Standby
Latched off
Phase
Rating
A
Output
OC
Startup
Phase
= 85°C
Switching Frequency
1 V
+
−
NOC
Figure 1. Representative Block Diagram
CS
>24 A
Enable
OSC
40 kHz
75 kHz
Demag
m
1
OSC
&
>120 A
http://onsemi.com
2 S
m
m
Clock
VPWM
PWM
+
−
4 kHz Filter
2
&
&
&
(Pb−Free)
(Pb−Free)
Package
Regulation
PDIP−8
PDIP−8
PDIP−8
PDIP−8
Block
Latched off Phase
Switching Phase
Startup Phase
Latched off Phase
Symbol
R
S
PWM
Latch
V
UVLO2
R
OUT Disable
V
inputs
I
P
T
CC
T
V
V
qJA
CC
A
D
Q
J
i
i
Standby
UVLO1
UVLO2
DMG
OVP
Shutdown
Thermal
9 mA
Switching Phase
Management
S2
V
Vi
CC
&
8
−1.0 to +16
Startup
Source
−25 to +85
Value
50 Units / Rail
50 Units / Rail
50 Units / Rail
50 Units / Rail
500
400
600
100
150
S3
Buffer
30
16
Shipping
6
5
4
3
V
Driver
GND
Control
Input
CC
°C/W
Unit
mW
mA
°C
°C
V
V
V
V