MC44604P ON Semiconductor, MC44604P Datasheet - Page 5

• Manufacturer Part Number: MC44604P
• Description: IC CTRLR PWM FREQ PULSED 16DIP
• Manufacturer: ON Semiconductor
• Series: GreenLine™r
• Type: High Performance Pulsed Mode PWM Contollerr

Specifications of MC44604P

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 250kHz
• Duty Cycle: 82%
• Voltage - Supply: 10 V ~ 15 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -25°C ~ 85°C
• Package / Case: 16-DIP (0.300", 7.62mm)
• Frequency-max: 250kHz
• Input Voltage Range: 18 V
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: MC44604POS

8. Adjust V
9. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
10. Current Sense Input to Output at V
11. This function can be inhibited by connecting pin 5 to V
12. This is the minimum time during which the pin 15 current must be higher than I
13. Tested using V
14. Tested using V
ELECTRICAL CHARACTERISTICS
for min/max values T
CURRENT SENSE SECTION
OVERVOLTAGE SECTION
FOLDBACK SECTION (Note 11)
CLAMP ERROR AMPLIFIER INPUT
STANDBY PULSED MODE SECTION
STANDBY CURRENT SET
TOTAL DEVICE
Maximum Current Sense Input Threshold
Input Bias Current
Propagation Delay (Note 10)
Protection Threshold Level on V
Propagation Delay (V
Protection Level on V
Input Resistance
Current Sense Voltage Threshold (V
Foldback Input Bias Current (V
Clamp Level (@ l = 30 mA)
Standby Initialization Current Ratio (S1 closed)
Minimum Initialization Current Pulse Width (Note 12)
Standby On Detection Current Ratio
Standby Regulation Current Ratio
Standby Bias Current (S1 and S2 open;
Peak Standby Current Setting Ratio
Standby Current Sense Threshold Ratio (Note 14)
Power Supply Current
Power Supply Zener Voltage (I
Thermal Shutdown
(V
T
T
T
T
0 V t V
T
T
Startup (Note 13)
Operating T
A
A
A
A
A
A
Feedback (pin14)
= 0° to +70°C
= −25° to +85°C
= 0° to +70°C
= −25° to +85°C
= 0° to +70°C
= −25° to +85°C
CC
pin15
above the startup threshold before setting to 12 V.
A
pin9
t V
= −25° to +85°C (Note 9)
CC
= 6.0 V, 9.0 V, 13.5 V, the MC44604 being off.
= 2.3 V and V
A
= 0.2 V, 0.4 V, 0.6 V, 0.8 V, 1.0 V.
stup−th
OVP
CC
= −25° to +85°C [Note 9], unless otherwise noted.)
Characteristic
> 2.58 V to V
) (Note 13)
CC
foldback (pin5)
OVP
in Normal Mode
in Standby Mode
foldback (pin6)
= 25 mA)
TH
foldback (pin5)
out
of MOS transistor = 3.0 V.
(V
Low)
CC
= 0 V)
= 1.2 V)
and V
= 0.9 V)
C
= 12 V [Note 8], R
CC
http://onsemi.com
.
5
Pin #
12
15
15
15
15
7
7
6
5
5
9
7
ref
init
= 10 kW, C
to enable the detection of the transition normal to standby mode.
V
I
I
pk−stby
foldback−lb
pin9
Symbol
V
t
V
t
I
I
CS−stby
I
I
V
V
CS−NM
det
reg
stby−ib
I
OVP−th
init
CC prot
cs−ib
T
I
cs−th
cs−th
Vcl
V
CC
−
−
/V
−
init
/I
/I
/I
Z
T
ref
ref
ref
cs−st
/I
= 820 pF, for typical values T
ref
0.93
2.42
16.1
15.9
0.84
−6.0
0.34
−1.0
0.37
0.36
18.5
Min
−10
126
1.0
1.5
1.4
4.5
2.4
18
16
−
−
−
−
−
0.96
−2.0
0.88
−2.0
0.38
20.5
Typ
120
120
140
155
2.5
2.0
4.7
0.4
0.4
2.6
0.3
17
20
−
−
−
−
−
−
A
= 25°C,
Max
1.00
2.58
17.9
18.1
0.89
0.42
0.43
0.44
0.45
200
200
154
3.0
3.0
3.4
4.9
1.0
2.0
2.9
23
24
−
−
−
−
Unit
mA
kW
mA
mA
mA
°C
ns
ms
ms
V
V
V
V
V
V
−
−
−
−
−