VIPER27HN STMicroelectronics, VIPER27HN Datasheet - Page 4

• 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

Power MOSFETs - high voltage (SuperMESH™)
Microprocessor supervisors
STM6779
STM6905
Linear regulators - very low dropout
KFxxx, LFxxx, L4931, LD1117, LD29080/150/300,
LD39080/150/300, LD49150/300 LD108x, ST1L04, ST1L02, ST1L05
DC-DC conversion - step-down
ST1S03, ST1S06, ST1S09, ST1S10, ST1S12, ST2S06, ST1S30I, ST1S40
L598x, L798x
AC-DC conversion - high voltage converter
VIPer28
Schottky diodes for secondary rectification
STPSxxx
Power management
Power MOSFETs - low voltage (STripFET™)
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Front panel display
EMI filter and ESD protection
EMIFxx-1005yzz
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VFD controllers
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Reduced switching losses
Optimized intrinsic body diode
Schottky diode
Product range (24 V to 60 V)
Extremely high dv/dt capability
Avalanche rated
Gate charge minimized
Very low intrinsic capacitances
High efficiency
Dual voltage reset
Primary supply monitor: 4.625 to 1.575 V
1 additional adjustable supply monitor input
Manual reset with delay manual reset
Quintuple voltage reset
Primary supply monitor: 3.078 to 2.866 V
Secondary supply monitor: 2.333 to 1.05 V
3 additional adjustable supply monitor inputs
Very low dropout voltage from 0.2 V
Output current: up to 5 A
Logic-controlled electronic shutdown
Output voltages: 1.25 to 12 V and adjustable from 0.8 V
Step-down current mode PWM (up to 1.7 MHz)
Reference voltage 0.8 V
Internal soft-start and power-on delay
Maximum output current up to 3 A
Up to 3 A DC output current (up to 28 V for L798x)
2.9 V to 18 V input voltage range
Output voltage adjustable from 0.6 V
250 kHz switching frequency, programmable up to 1 MHz
Overcurrent, overvoltage and thermal protection
Standby PSU consumption less than 50 mW
800 V avalanche rugged power section
PWM operation with fixed frequency jittering for low EMI
Thermal shutdown with hysteresis
20 V to 100 V reverse voltage
SMD packages below 5 A
Power packages above 5 A
Low Vf
Flat packages available in halogen free models
Available in 4/6/8-line configuration
Micro qFN package
IEC 61000-4-2 level 4, 15 kV
Compact single chip solution
Easy software implementation through SPI/I
serial interface
Drives VFD panel with 8 digits / 20 segments up to
16 digits / 12 segments
Energy Star and Blue Angel standard compliant
Integrated key-scan, infrared RC decoder and
real-time clock (RTC)
2
C
LED controllers
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S-Touch™ 3- to 24-channel capacitive
touch key controllers
STMPE821, STMPE1208S, STMPE321,
STMPE16M31, STMPE24M31
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Drive up to 7 digits, 8 segments
Drive capability of 40 mA (max)
Integrated key-scan up to 16 keys
3-wire serial SPI interface
Low power consumption during standby
PWM and GPIOs
Noise filtering
400 kHz I
Ultra-low-power consumption: 1 μA in hibernate
mode, 25 μA in touch detection mode
Highly sensitive impedance change detection engine
Innovative calibration method enables high
tolerance to environmental changes
Ultra small packages
2
C communication interface
Separable security
Power switches
ST890
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STMPS2141, STMPS2151, STMPS2161, STMPS2171
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STMPS2242, STMPS2252, STMPS2262, STMPS2272
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Input range: 2.7 to 5.5 V
Programmable current limit: up to 1.2 A
Low quiescent current
Thermal shutdown, fault indicator output
Enhanced single channel power switches
Input range: 2.7 to 5.5 V
500 mA/1 A continuous current with fixed current limit
Low quiescent current
Thermal shutdown, fault indicator output, reverse-current protection and
fault-blanking features
Input range: 2.7 to 5.5 V
500 mA/1 A continuous current per channel with fixed current limit
Low quiescent current
Thermal shutdown, fault indicator output, reverse-current protection and
fault-blanking features
Serial real-time clocks
M41T62
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Temperature sensors
STTS75
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STLM20
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Serial RTC with alarm
32 kHz output
Power supply from 1.3 to 4.4 V
Timekeeping down to 1.0 V
Current consumption: 350 nA at 3 V
Digital I
+/-2 °C accuracy from -25 to +100 °C
Power saving one-shot temperature measurement
Power supply range: 2.7 to 5.5 V
Precision analog voltage output temperature sensor
Operating voltage: 2.4 to 5.5 V
Ultra-low quiescent supply current: 8.0 μA max
2
C temperature sensor