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VIPER53DIP डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - OFF LINE PRIMARY SWITCH - STMicroelectronics

भाग संख्या VIPER53DIP
समारोह OFF LINE PRIMARY SWITCH
मैन्युफैक्चरर्स STMicroelectronics 
लोगो STMicroelectronics लोगो 
पूर्व दर्शन
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<?=VIPER53DIP?> डेटा पत्रक पीडीएफ

VIPER53DIP pdf
VIPer53DIP / VIPer53SP
PIN FUNCTION
Name
Function
Power supply of the control circuits. Also provides the charging current of the external capacitor during
start-up. The functions of this pin are managed by four threshold voltages:
VDD
- VDDon: Voltage value at which the device starts switching (Typically 11.5 V).
- VDDoff: Voltage value at which the device stops switching (Typically 8.4 V).
- VDDreg: Regulation voltage point when working in primary feedback (Trimmed to 15 V).
- VDDovp: Triggering voltage of the overvoltage protection (Trimmed to 18 V).
SOURCE Power Mosfet source and circuit ground reference.
Power Mosfet drain. Also used by the internal high voltage current source during the start-up phase, for
DRAIN charging the external VDD capacitor.
COMP
Input of the current mode structure, and output of the internal error amplifier. Allows the setting of the
dynamic characteristic of the converter through an external passive network. Useful voltage range
extends from 0.5 V to 4.5 V. The Power Mosfet is always off below 0.5 V, and the overload protection is
triggered if the voltage exceeds 4.35V. This action is delayed by the timing capacitor connected to the
TOVL pin.
TOVL
Allows the connection of an external capacitor for delaying the overload protection, which is triggered by
a voltage on the COMP pin higher than 4.35V.
OSC Allows the setting of the switching frequency through an external Rt-Ct network.
CURRENT AND VOLTAGE CONVENTIONS
IDD
ID
VDD
IOSC
OSC
15V
DRAIN
VDD
VOSC
TOVL
ITOVL
COMP SOURCE
VTOVL
ICOMP
VCOMP
CONNECTION DIAGRAM
VDS
COMP 1
OSC 2
SOURCE 3
SOURCE 4
8 TOVL
7 VDD
6 NC
5 DRAIN
DIP-8
ORDER CODES
PACKAGE
DIP-8
PowerSO-10
DRAIN
NC
NC
NC
VDD
TOVL
1
2
3
4
5
10 SOURCE
9 NC
8 NC
7 OSC
6 COMP
TUBE
VIPer53DIP
VIPer53SP
PowerSO-10
TAPE and REEL
-
VIPer53SP13TR
2/24

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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
VIPER53DIPOFF LINE PRIMARY SWITCHSTMicroelectronics
STMicroelectronics


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