MC44604_05 ONSEMI [ON Semiconductor], MC44604_05 Datasheet - Page 2

• Manufacturer Part Number: MC44604_05
• Description: High Safety Pulsed Mode Standby GreenLine TM PWM Controller
• Manufacturer: ONSEMI [ON Semiconductor]

Demagnetization
Ampllifier Input
Management
Clamp Error
E/A Output
Feedback
Detection
Standby
Voltage
Input
C T
12
10
15
14
13
8
4.7 V
Foldback
Foldback
V ref
Input
5
V stby
Demagnetization
Management
+
−
Error
AMP
Management
i ref
Standby (lpk)max
Oscillator
Standby
Programmation
Standby
Current
Set
Dis(stby−latched)
Dis(stby)
8
V cs
V demag out
V stby
V ref
I ref
Current
Sense
Input
http://onsemi.com
7
Current
V stby
V OSC
Sense
Block Diagram
MC44604
R ref
Reference Block
16
2
V ref
Soft−Start
Dmax &
Control
Voltage Mode
V stby
(Css)/Dmax
Soft−Start
V
Control
osc prot
I ref
11
i ref
Initialization
V CC enable
UVLO1
V CC enable
Supply
Block
Shutdown
Thermal
Dis(stby)
Set
Reset
PWM
Latch
UVLO2
Q
Overvoltage
Management
V stby
Dis(stby−latched)
UVLO1
UVLO2
V CC enable
V ref
V CC
MC44604
Buffer
V cc
1
18 V
6
2
3
4
V C
OUTPUT
GND
Overvoltage
Protection
(OVP)