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VIPER27HN 数据表(PDF) 3 Page - STMicroelectronics

部件名 VIPER27HN
功能描述  Off-line high voltage converters
PDF  31 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

VIPER27HN 数据表(HTML) 3 Page - STMicroelectronics

  VIPER27HN Datasheet HTML 1Page - STMicroelectronics VIPER27HN Datasheet HTML 2Page - STMicroelectronics VIPER27HN Datasheet HTML 3Page - STMicroelectronics VIPER27HN Datasheet HTML 4Page - STMicroelectronics VIPER27HN Datasheet HTML 5Page - STMicroelectronics VIPER27HN Datasheet HTML 6Page - STMicroelectronics VIPER27HN Datasheet HTML 7Page - STMicroelectronics VIPER27HN Datasheet HTML 8Page - STMicroelectronics VIPER27HN Datasheet HTML 9Page - STMicroelectronics Next Button
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background image
VIPER27
Block diagram
Doc ID 15133 Rev 5
3/31
1
Block diagram
2
Typical power
Figure 2.
Block diagram
VDD
THERMAL
SHUTDOWN
6uA
LEB
&
OVP
LOGIC
SOFT
START
OCP
BLOCK
Ref
TURN-ON
LOGIC
DRAIN
SUPPLY
& UVLO
OTP
OLP
BURST
Internal Supply bus
BR
BURST-MODE
LOGIC
BURST
S
R1
R2
Q
+
-
UVLO
Vin_OK
OCP
Ref erence Voltages
OVP
15uA
IDDch
OVP
Vcc
OSCILLATOR
FB
VBRth
HV_ON
OTP
.
GND
+
-
Rsense
CONT
+
-
PWM
2nd OCP
LOGIC
VDD
Table 2.
Typical power
Part number
230 VAC
85-265 VAC
Adapter(1)
Open frame(2)
Adapter(1)
Open frame(2)
VIPER27
18 W
20 W
10 W
12 W
1.
Typical continuous power in non ventilated enclosed adapter measured at 50
°C ambient.
2.
Maximum practical continuous power in an open frame design at 50
°C ambient, with adequate heat sinking.



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