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參數資料
| 型號： | FAN7601 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Green Current Mode PWM Controller |
| 中文描述： | 綠色電流模式PWM控制器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 411K |
| 代理商： | FAN7601 |
2003 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev. 1.0.1
Features
Green Current Mode PWM Control
Low Operating Current: Max 4mA
Burst Mode Operation
Internal High Voltage Start-up Switch
Under Voltage Lockout (UVLO): 12V/8V
Latch Protection & Soft Start Function
Over Voltage Protection: 19V
Operating Frequency up to 300kHz
Max Duty Cycle: 95%
Typical Applications
Off-Line Adapter Applications
Auxiliary Power Supplies
Description
The FAN7601 is a green programmable frequency current
mode PWM controller. It is specially designed for the
off-line adapter application and the auxiliary power supplies
which require high efficiency at a light load and no load.
The internal high voltage start-up switch and the burst mode
reduce the power loss. The FAN7601 includes some
protections such as latch protection and over voltage
protection. The latch protection can be used for over voltage
protection and/or thermal protection and so on. And the soft
start prevents the output voltage over shoot at start up.
8-SOP
1
8-DIP
1
10-SSOP
1
Internal Block Diagram
* ( ) is 10-SSOP PIN Number
Latch/SS
Delay Circuit
1V
Enable
+
GND
(6)
Start-up
Circuit
2.5V
1.5V
Start-up
Circuit
5V Ref
Vcc
(8)
Vref (10)
8
Rt/Ct
(5)
Latch/SS
(4)
OUT
(7)
CS/FB
(3)
UVLO
12uA
Vref
7
19V
OVP
+
+
+
12V/8V
6
2
+
0.97V/0.9V
1
R
Q
S
OSC
4
3
+
OVP
R
Q
S
Reset
Circuit
+
5
Vstr (1)
1V
FAN7601
Green Current Mode PWM Controller
相關PDF資料 |
PDF描述 |
|---|---|
| FAN7601G | Green Current Mode PWM Controller |
| FAN7601M | Green Current Mode PWM Controller |
| FAN7601N | Green Current Mode PWM Controller |
| FAN7680 | PC Power Supply Outputs Monitoring IC |
| FAN7680M | REC3-SRWZ_DRWZ/H* Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 24V; Output Voltage (Vdc): 3.3V; Power: 3W; 2kV, 4kVDC & 6kVDC Isolation; Industry Standard 3W DIP24 Package; Feedback Regulated Output; Continuous Short Circuit Protection; Wide Input 2:1 & 4:1; Medical Approvals (4kV/6kV Versions); EN and UL Certificates; 3 Pinout Options, 3 Case Styles; Control Pin Option; Efficiency to 86% |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN7601_05 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Green Current Mode PWM Controller |
| FAN7601B | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Green Current Mode PWM Controller |
| FAN7601B_11 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Green Current Mode PWM Controller |
| FAN7601B_12 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Green Current Mode PWM Controller |
| FAN7601BG | 功能描述:電流型 PWM 控制器 Green Current Mode PWM Contrl RoHS:否 制造商:Texas Instruments 開關頻率: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 輸出端數量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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