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参数资料
| 型号： | FSQ0170RNA |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 12/17页 |
| 文件大小： | 0K |
| 描述： | IC SWIT PWM GREEN OVP UVLO 8DIP |
| 产品变化通告： | Passivation Layer Change 07/Dec/2007 |
| 标准包装： | 50 |
| 输出隔离： | 隔离 |
| 频率范围： | 92kHz ~ 108kHz |
| 输入电压： | 8 V ~ 20 V |
| 输出电压： | 700V |
| 功率（瓦特）： | 20W |
| 工作温度： | 25°C ~ 140°C |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-DIP |
| 包装： | 管件 |
| 产品目录页面： | 1222 (CN2011-ZH PDF) |
Typical Application Circuit
Application
PC Auxiliary Power Supply
(Using FSQ0270RNA)
Output power
15W
Input Voltage
Universal input
(85-265 V AC )
Output Voltage (Max. Current)
5V (3A)
Features
? High efficiency (> 78% at 115 V AC and 230 V AC input)
? Low standby mode power consumption (< 0.8W at 230 V AC input and 0.5W load)
? Enhanced system reliability through various protection functions
? Internal soft-start (10ms)
? Line UVLO function can be achieved using external component
Key Design Notes
? The delay time for overload protection is designed to be about 30ms with C8 of 47nF. If faster/slower triggering of
OLP is required, C8 can be changed to a smaller/larger value (e.g. 100nF for about 60ms).
? ZP1, DL1, RL1, RL2, RL3, RL4, RL5, RL7, QL1, QL2, and CL9 build a Line Under-Voltage Lockout block (UVLO).
The Zener voltage of ZP1 determines the input voltage that makes FPS turn on. RL5 and DL1 provide a reference
voltage from V CC . If the input voltage divided by RL1, RL2, and RL4 is lower than the Zener voltage of DL1, QL1 and
QL2 turn on and pull down V FB to ground.
? An evaluation board and corresponding test report can be provided.
1. Schematic
C1
2.2nF
AC250V
RS1
9
CS1
1.5nF
6, 7
CON1
1
2
3
Input
R6
2.4 1W
D2 D3
1N4007 1N4007
D4 D5
1N4007 1N4007
C2
22 ? F
400V
L1
330 ? H
R2
4.7k
R8
open
C3
22 ? F
400V
C10
1nF
250V
ZP1
1N4762
ZDS1
P6KE180A
R14
30
DS1
1N4007
T1
EE2229
1
3 9, 10
D1
SB540
C4
1000 ? F
16V
C9
1000 ? F
16V
R3
560
1
2
R4
100
U1A
FOD817A
J4
0
L2
1 ? H
R5
1.25k
1%
C5
470 ? F
10V
CON2
1
2
Output
RL2
RL1 1M
DL1
1N5233B
RL5
30k
L3
0
8 7 6 5
U3
FSQ0270RNA
J1
FB
D6 R10
1N4007 2
4
5
U2
TL431A
3
2
C6
47nF
1
R9
10k
R11
1.2k
1%
1M
QL1
KSP2907A
RL4
120k
RL3
1k
J3
open
J2
0
1 2 3 4
ZR1
80
C7
47 ? F
25V
R12
open
4
ZD1
CL9
10 ? F
50V
RL7
40k
3
ZD2 C8
open 47nF
1N4745
QL2 U1B
KSP2222A FOD817A
? 2006 Fairchild Semiconductor Corporation
FSQ0170RNA, FSQ0270RNA Rev. 1.0.5
R13
open
Figure 21. Demo Circuit
12
FSQ0x70RNA Rev. 1.12
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FSQ0170RNA_07 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Green Mode Fairchild Power Switch (FPS?) |
| FSQ0170RNA_11 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Green Mode Fairchild Power Switch (FPSa?￠) |
| FSQ0265 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Green Mode Fairchild Power Switch (FPS⑩) for Valley Switching Converter |
| FSQ0265RL | 功能描述:开关变换器、稳压器与控制器 SMPS Power switch RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| FSQ0265RLX | 功能描述:开关变换器、稳压器与控制器 SMPS Power switch 2A, 650V RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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