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FAN7601N Datasheet

  • FAN7601N

  • Green Current Mode PWM Controller

  • 12頁

  • FAIRCHILD

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www.fairchildsemi.com
FAN7601
Features
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鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Green Current Mode PWM Controller
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.
10-SSOP
8-SOP
8-DIP
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
鈥?Off-Line Adapter Applications
鈥?Auxiliary Power Supplies
1
1
1
Internal Block Diagram
Vref (10)
8
Vstr (1)
1
7 Vcc
(8)
19V
5V Ref
Rt/Ct
4
(5)
OSC
Enable
Start-up
Circuit
UVLO
OVP
+
鈭?/div>
Vref
12uA
Latch/SS
3
(4)
S Q
R
+
鈭?/div>
12V/8V
1.5V
OVP
6
OUT
(7)
+
鈭?/div>
2.5V
S Q
R
Delay Circuit
+
鈭?/div>
0.97V/0.9V
2
CS/FB
(3)
1V
GND
5
(6)
+
鈭?/div>
Start-up
Circuit
Reset
Circuit
+
鈭?/div>
鈭?/div>
Latch/SS
1V
* ( ) is 10-SSOP PIN Number
Rev. 1.0.1
漏2003 Fairchild Semiconductor Corporation

FAN7601N 產品屬性

  • 50

  • 集成電路 (IC)

  • PMIC - AC-DC 轉換器，離線開關

  • -

  • -

  • 90kHz ~ 110kHz

  • 9 V ~ 20 V

  • -

  • -

  • -40°C ~ 85°C

  • 8-DIP（0.300"，7.62mm）

  • 8-DIP

  • 管件

  • FAN7601N_NLFAN7601N_NL-ND

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