参数资料
| 型号： | MC44604PG |
| 厂商： | ON Semiconductor |
| 文件页数： | 4/22页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR FLYBACK PWM 16-DIP |
| 产品变化通告： | Product Obsolescence 19/Dec/2008 |
| 标准包装： | 500 |
| 系列： | GreenLine™ |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 250kHz |
| 占空比： | 82% |
| 电源电压： | 10 V ~ 15 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -25°C ~ 85°C |
| 封装/外壳： | 16-DIP（0.300"，7.62mm） |
| 包装： | 管件 |
| 其它名称： | MC44604PGOS |
MC44604
ELECTRICAL CHARACTERISTICS (V CC and V C = 12 V [Note 6], R ref = 10 k W , C T = 820 pF, for typical values T A = 25 ° C,
for min/max values T A = ? 25 ° to +85 ° C [Note 7], unless otherwise noted.)
Characteristic
Pin #
Symbol
Min
Typ
Max
Unit
ERROR AMPLIFIER SECTION (continued)
Output Current
13
mA
Sink (V E/A out = 1.5 V, V FB = 2.7 V)
T A = ? 25 ° to +85 ° C
Source (V E/A out = 5.0 V, V FB = 2.3 V)
T A = ? 25 ° to +85 ° C
Output Voltage Swing
High State (I E/A out (source) = 0.5 mA, V FB = 2.3 V)
Low State (I E/A out (sink) = 0.33 mA, V FB = 2.7 V)
13
I Sink
I Source
V OH
V OL
2.0
? 2.0
5.5
?
12
?
6.5
1.0
?
? 0.2
7.5
1.1
V
REFERENCE SECTION
Reference Output Voltage (V CC = 10 V to 15 V)
Reference Current Range (I ref = V ref /R ref , R = 5.0 k to 25 k W )
Reference Voltage Over I ref Range
16
16
V ref
I ref
D V ref
2.4
? 500
? 40
2.5
?
?
2.6
? 100
40
V
m A
mV
OSCILLATOR SECTION
Frequency
F OSC
kHz
T A = 0 ° to +70 ° C
T A = ? 25 ° to +85 ° C
40.5
40
46
?
48.5
49
Frequency Change with Voltage (V CC = 10 V to 15 V)
Frequency Change with Temperature (T A = ? 25 ° to +85 ° C)
D F OSC / D V
D F OSC / D T
?
?
0.05
0.05
?
?
%/V
%/ ° C
Oscillator Voltage Swing (Peak ? to ? Peak)
Ratio Charge Current/Reference Current (T A = ? 25 ° to +85 ° C)
Fixed Maximum Duty Cycle = I discharge /(I discharge + I charge )
10
V OSC(P ? P)
I charge /I ref
D
?
0.35
78
2.0
?
80
?
0.43
82
V
?
%
UNDERVOLTAGE LOCKOUT SECTION
Startup Threshold
Disable Voltage After Threshold Turn ? On
T A = 0 ° to +70 ° C
T A = ? 25 ° to +85 ° C
Disable Voltage After Threshold Turn ? On
Delta V CC During Standby (V stup ? th ? V disable2 )
(T A = ? 25 ° C to 85 ° C)
1
1
1
1
V stup ? th
V disable1
V disable2
V stup ? th
? V disable2
13.6
8.6
8.3
7.0
1.8
14.5
9.0
?
7.5
2.0
15.4
9.4
9.6
8.0
2.2
V
V
V
V
DEMAGNETIZATION DETECTION SECTION
Demagnetization Detect Input
8
Demagnetization Comparator Threshold (V pin8 Decreasing)
Propagation Delay (Input to Output, Low to High)
Input Bias Current (V demag = 65 mV)
Negative Clamp Level (I demag = ? 2.0 mA)
Positive Clamp Level (I demag = +2.0 mA)
V demag ? th
?
I demag ? lb
C L(neg)
C L(pos)
50
?
? 0.5
?
?
65
0.25
?
? 0.38
0.72
80
?
?
?
?
mV
m s
m A
V
V
SOFT ? START SECTION
Ratio Charge Current/I ref
T A = 0 ° to +70 ° C
T A = ? 25 ° to +85 ° C
I ss(ch) /I ref
0.37
0.36
0.4
?
0.43
0.44
?
Discharge Current (V soft ? start = 1.0 V)
Clamp Level
Duty Cycle (R soft ? start = 12 k W )
Duty Cycle (V soft ? start (pin11) = 0.1 V)
11
I discharge
V ss(CL)
D soft ? start 12k
D soft ? start
1.5
2.2
36
?
5.0
2.4
42
?
?
2.6
49
0
mA
V
%
6. Adjust V CC above the startup threshold before setting to 12 V.
7. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
http://onsemi.com
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