VIPER27HN STMicroelectronics, VIPER27HN Datasheet - Page 3

• Manufacturer Part Number: VIPER27HN
• Description: IC OFFLINE CONV PWM OVP 7DIP
• Manufacturer: STMicroelectronics
• Series: VIPer™ plusr

Specifications of VIPER27HN

• Output Isolation: Isolated
• Frequency Range: 103 ~ 127kHz
• Voltage - Input: 8.5 ~ 23.5 V
• Voltage - Output: 800V
• Power (watts): 24W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 8-DIP (0.300", 7.62mm), 7 Leads
• Output Voltage: 800 V
• Output Power: 1 W
• Input Voltage: - 0.3 V
• Switching Frequency: 115 KHz
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: Through Hole
• Duty Cycle (max): 80 %
• Number Of Outputs: 1
• For Use With: 497-9084 - EVAL BOARD FOR VIPER27LX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8389-5

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