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參數(shù)資料
| 型號： | NCP1203P40G |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | PWM Current−Mode Controller for Universal Off−Line Supplies Featuring Standby and Short Circuit Protection |
| 中文描述： | 0.25 A SWITCHING CONTROLLER, 47 kHz SWITCHING FREQ-MAX, PDIP8 |
| 封裝： | LEAD FREE, PLASTIC, DIP-8 |
| 文件頁數(shù)： | 3/15頁 |
| 文件大?。?/td> | 217K |
| 代理商： | NCP1203P40G |
NCP1203
http://onsemi.com
3
Figure 2. Internal Circuit Architecture
OVERLOAD
MANAGEMENT
UVLO HIGH AND LOW
INTERNAL REGULATOR
±
250 mA
HV CURRENT
SOURCE
INTERNAL V
CC
8
7
6
5
HV
NC
V
CC
Drv
1
2
3
4
Q FLIPFLOP
DCmax = 80%
Q
250 ns
L.E.B.
4060100 kHz
CLOCK
+
+
80 k
20 k
57 k
1 V
CURRENT
SENSE
GROUND
FB
Adj
24 k
25 k
+
V
REF
RESET
1.2 V
SKIP CYCLE
COMPARATOR
SET
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage
V
CC
, Drv
16
V
Power Supply Voltage on all other pins except Pin 5 (Drv), Pin 6 (V
CC
) and Pin 8 (HV)
0.3 to 10
V
Maximum Current into all pins except Pin 6 (V
CC
) and Pin 8 (HV) when
10 V ESD diodes are activated
5.0
mA
Thermal Resistance, JunctiontoAir, PDIP8 Version
Thermal Resistance, JunctiontoAir, SOIC Version
R
JA
R
JA
100
178
°
C/W
°
C/W
Maximum Junction Temperature
TJ
MAX
150
°
C
Temperature Shutdown
170
°
C
Hysteresis in Shutdown
30
°
C
Operating Temperature Range
T
J
40 to +125
°
C
Storage Temperature Range
T
stg
60 to +150
°
C
ESD Capability, HBM Model, All pins except Pin 6 (V
CC
) and Pin 8 (HV)
2.0
kV
ESD Capability, Machine Model
200
V
Maximum Voltage on Pin 6 (V
CC
) and Pin 8 (HV) Decoupled to Ground with 10
F
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
450
V
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| NCP1203P60 | 功能描述:電流型 PWM 控制器 60KHz Current Mode RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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