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參數(shù)資料
| 型號： | NCP1205DR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback |
| 中文描述： | SWITCHING CONTROLLER, 125 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數(shù)： | 7/17頁 |
| 文件大小： | 277K |
| 代理商： | NCP1205DR2 |
NCP1205
http://onsemi.com
7
ELECTRICAL CHARACTERISTICS
(continued)
(For typical values T
A
= 25
°
C, for min/max values T
J
= 25
°
C to +125
°
C,
Max T
J
= 150
°
C, V
CC
= 12 V unless otherwise noted.)
Characteristics
Pin No.
Symbol
Min
Typ
Max
Unit
PDIP
8
PDIP
14
SOIC
16
Current Sense Comparator (continued)
Propagation Delay from Current Detection to Gate OFF
State
6
11
12
T
del
200
250
ns
Leading Edge Blanking (LEB)
6
11
12
T
leb
200
ns
Frequency Modulator
Minimum Frequency Operation @ Ct = 1.0
η
F and
V
CC
= 30 V
4
5
6
F
min
0
kHz
Maximum Frequency Operation @ Ct = 1.0
η
F and
V
CC
= 30 V
4
5
6
F
max
90
110
125
kHz
Minimum Ct Charging Current (Note 4)
4
5
6
I
Ct
min
0
A
Maximum Ct Charging Current (Note 4)
4
5
6
I
Ct
max
280
350
420
A
Discharge Time @ Ct = 1.0
η
F
4
5
6
500
ns
Drive Output
Output Voltage Rise Time @ C
L
= 1.0
η
F ( V = 10 V)
7
12
13
t
r
30
50
ns
Output Voltage Fall Time @ C
L
= 1.0
η
F ( V = 10 V)
7
12
13
t
f
30
50
ns
Clamped Output Voltage @ V
CC
= 30 V (Note 5)
7
12
13
V
DRV
11
13
16
V
Voltage Drop on the Stage @ V
CC
= 10 V (Note 5)
12
12
12
V
DRV
0.5
V
Undervoltage Lockout
Startup Threshold (V
CC
Increasing)
8
13
14
UVLO
H
13.5
15
16.5
V
Minimum Operating Voltage (V
CC
Decreasing)
8
13
14
UVLO
L
6.5
7.2
8.0
V
Startup Current Source
Maximum Voltage, Pin 1 Grounded
1
1
1
450
V
Maximum Voltage, Pin 1 Decoupled (470 F)
1
1
1
500
V
Startup Current Source Flowing through Pin 1
1
1
1
2.3
3.0
4.8
mA
Leakage Current in Offstate @ Vpin 1 = 500 V
1
1
1
32
70
A
Device Current Consumption
V
CC
less than UVLO
H
8
13
14
1.5
1.8
mA
V
CC
= 30 V and Fsw = 2.0 kHz, C
L
= 1.0
η
F
8
13
14
1.2
3.0
mA
V
CC
= 30 V and Fsw = 125 kHz, C
L
= 1.0
η
F
8
13
14
3.0
4.0
mA
Startup Current to V
CC
Capacitor
4. Typical capacitor swing is between 0.5 V and 3.5 V.
5. Guaranteed by design, T
J
= 25
°
C.
8
13
14
1.4
mA
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|---|---|
| NCP1205DR2G | 功能描述:電流型 PWM 控制器 Single Ended Quasi Resonant PWM 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 |
| NCP1205P | 功能描述:電流型 PWM 控制器 Single Ended Quasi 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 |
| NCP1205P2 | 功能描述:電流型 PWM 控制器 Single Ended Quasi 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 |
| NCP1205P2G | 功能描述:電流型 PWM 控制器 Single Ended Quasi Resonant PWM 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 |
| NCP1205PG | 功能描述:電流型 PWM 控制器 Single Ended Quasi Resonant PWM 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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