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OB2223F の電気的特性と機能

OB2223FのメーカーはOn-Bright Electronicsです、この部品の機能は「High Precision Low Cost MCM Power Switch」です。


製品の詳細 ( Datasheet PDF )

部品番号 OB2223F
部品説明 High Precision Low Cost MCM Power Switch
メーカ On-Bright Electronics
ロゴ On-Bright Electronics ロゴ 




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OB2223F Datasheet, OB2223F PDF,ピン配置, 機能
OB2223F
High Precision Low Cost MCM Power Switch
GENERAL DESCRIPTION
OB2223F is a high performance, high precision
and low cost PWM Power switch for non-isolated
buck and flyback application. It combines a
dedicated current mode PWM controller (with a
high voltage power MOSFET with SOP8/DIP7
package) and built-in error amplifier optimized for
good overshoot and dynamic response for low
cost and component count. With precise inner
resistor divider, precise reference of EA
accurate constant voltage regulation 12V at
universal AC input can be guaranteed. For high
efficiency, oscillator with frequency-reduction and
burst mode control is implemented. And EMI
performance is achieved with On-Bright
proprietary frequency shuffling technique and soft
gate driver design.
OB2223F offers power on soft start control and
protection coverage with auto-recovery features
including Cycle-by-Cycle current limiting, Over
Loading Protection, Output Short-Circuit
Protection, On-Chip OTP,VDD OVP, and UVLO.
TYPICAL APPLICATION
FEATURES
Low cost and component count buck
application
Current Mode Control
Multiple mode control with good dynamic
response
Oscillator of fixed maximum switching
frequency with frequency-reduction and burst
mode control for high efficiency
Frequency shuffling for EMI improvement
Power on Soft-start
Built-in Leading Edge Blanking (LEB)
Cycle-by-Cycle Current Limiting
Over Loading Protection
Output Short-Circuit Protection
VDD Under Voltage Lockout with Hysteresis
(UVLO)
VDD OVP
On-Chip OTP
APPLICATIONS
Low Power AC/DC offline SMPS for
Electrical Appliance
Linear Regulator/RCC Replacement
OB2223F is offered in SOP8/DIP7 package.
AC IN
OB2223F
1 VDD
GND 8
2 COMP GND* 7
3 ENB DRAIN 6
4 CS
DRAIN 5
Note : GND* Only in SOP8 package
©On-Bright Electronics
Confidential
-1-
DC
OUT
Preliminary Datasheet
OB_DOC_DS_2223F00

1 Page





OB2223F pdf, ピン配列
Marking Information
OB2223F
High Precision Low Cost MCM Power Switch
TERMINAL ASSIGNMENTS
Pin Num
1
2
3
4
5/6
7
8
Pin Name
VDD
COMP
ENB
CS
DRAIN
GND
GND
I/O Description
P Power Supply and Output Voltage Feedback
I Compensation Pin. Connect a Cap to GND
I Connected to GND for 12V output
I Current sense input
O
HV MOSFET Drain Pin. The Drain pin is connected to the primary lead
of the transformer / inductance.
P Ground
P Ground (Only in SOP8 package)
©On-Bright Electronics
Confidential
-3-
Preliminary Datasheet
OB_DOC_DS_2223F00


3Pages


OB2223F 電子部品, 半導体
OB2223F
High Precision Low Cost MCM Power Switch
Vth_OLP
Over loading protection
Debounce Time
Frequency=30Khz
OTP
Exit Over temperature
protection
Enter Over temperature
protection
Power MOSFET Section
BVdss
MOSFET
Drain-Source
Breakdown Voltage
Rdson
On ResistanceDIP7
On ResistanceSOP8
Static, Id=0.45A
Static, Id=0.45A
3.6
110 118 126
105
135
V
mS
600 V
15 Ώ
25 Ώ
©On-Bright Electronics
Confidential
-6-
Preliminary Datasheet
OB_DOC_DS_2223F00

6 Page



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部品番号部品説明メーカ
OB2223F

High Precision Low Cost MCM Power Switch

On-Bright Electronics
On-Bright Electronics


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