参数资料
| 型号： | MC44604PG |
| 厂商： | ON Semiconductor |
| 文件页数： | 3/22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
MAXIMUM RATINGS
Rating
Total Power Supply and Zener Current
Output Supply Voltage with Respect to Ground
Pin #
2
1
Symbol
(I CC + I Z )
V C
V CC
Value
30
18
Unit
mA
V
Output Current (Note 1)
? Source
? Sink
3
I O(Source)
I O(Sink)
? 750
750
mA
Output Energy (Capacitive Load per Cycle)
W
5.0
m J
Soft ? Start
Clamp Error Amp Input
Foldback Input, Stand ? by Management
Overvoltage Protection, Current Sense Input, R ref , Error Amp Input,
Error Amp Output, C T , Stand ? by Current Set
11
12
V SS
V CLEA
V in
? 0.3 to 2.2
? 0.3 to 4.5
? 0.3 to V CC + 0.3
? 0.3 to 5.5
V
V
V
V
Demagnetization Detection Input Current
? Source
? Sink
8
I demag ? ib (Source)
I demag ? ib (Sink)
? 4.0
10
mA
Error Amplifier Output Sink Current
13
I E/A (Sink)
20
mA
Power Dissipation and Thermal Characteristics
Maximum Power Dissipation at T A = 85 ° C
Thermal Resistance, Junction ? to ? Air
Operating Junction Temperature
Operating Ambient Temperature
P D
R q JA
T J
T A
0.6
100
150
? 25 to +85
W
° C/W
° C
° C
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.
1. Maximum package power dissipation must be observed.
ELECTRICAL CHARACTERISTICS (V CC and V C = 12 V [Note 2], 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 3], unless otherwise note d.)
Characteristic
Pin #
Symbol
Min
Typ
Max
Unit
OUTPUT SECTION (Note 4)
Output Voltage (Note 5)
3
V
Low Level Drop Voltage (I Sink = 100 mA)
(I Sink = 500 mA)
High Level Drop Voltage (I Source = 200 mA)
(I Source = 500 mA)
V OL
V OH
?
?
?
?
1.0
1.4
1.5
2.0
1.2
2.0
2.0
2.7
Output Voltage During Initialization Phase
V CC = 0 to 1.0 V, I Sink = 10 m A
V CC = 1.0 to 5.0 V, I Sink = 100 m A
V CC = 5.0 to 13 V, I Sink = 1.0 mA
Output Voltage Rising Edge Slew ? Rate (C L = 1.0 nF, T J = 25 ° C)
Output Voltage Falling Edge Slew ? Rate (C L = 1.0 nF, T J = 25 ° C)
3
3
3
V OL
dVo/dT
dVo/dT
?
?
?
?
?
?
0.1
0.1
300
? 300
1.0
1.0
1.0
?
?
V
V/ m s
V/ m s
ERROR AMPLIFIER SECTION
Voltage Feedback Input (V E/A out = 2.5 V)
Input Bias Current (V FB = 2.5 V)
Open Loop Voltage Gain (V E/A out = 2.0 V to 4.0 V)
14
14
V FB
I FB ? ib
A VOL
2.4
? 2.0
65
2.5
? 0.6
70
2.6
?
?
V
m A
dB
Unity Gain Bandwidth
BW
MHz
T J = 25 ° C
T A = ? 25 ° to +85 ° C
?
?
?
?
?
5.5
Voltage Feedback Input Line Regulation (V CC = 10 V to 15 V)
14
V FBline ? reg
? 10
?
10
mV
2.
3.
4.
5.
Adjust V CC above the startup threshold before setting to 12 V.
Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
No output signal when the Error Amplifier is in Low State, i.e., V FB = 2.7 V.
V C must be greater than 5.0 V.
http://onsemi.com
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