STR-A6169, STR-A6251M, STR-A6252M Selling Leads, Datasheet
MFG:SANKEN Package Cooled:DIP D/C:05+
STR-A6169, STR-A6251M, STR-A6252M Datasheet download
Part Number: STR-A6169
MFG: SANKEN
Package Cooled: DIP
D/C: 05+
STR-A6169, STR-A6251M, STR-A6252M
- Table of contents:
Info of STR-A6169
Info of STR-A6251M
Info of STR-A6252M
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About STR-A6169
PDF/DataSheet Download
Datasheet: STR-A6169
File Size: 198934 KB
Manufacturer: SANKEN [Sanken electric]
Download : Click here to Download
About STR-A6251M
PDF/DataSheet Download
Datasheet: STR-A6251M
File Size: 335191 KB
Manufacturer: ALLEGRO [Allegro MicroSystems]
Download : Click here to Download
About STR-A6252M
PDF/DataSheet Download
Datasheet: STR-A6252M
File Size: 442368 KB
Manufacturer: allegromicro
Download : Click here to Download
STR-A6169 General Description
The Series STR-A6100 are PRC topology ICs (fixed off-time and variable on-time control) designed for a relatively low output power SMPS design of which output power is up to 20 W at universal input or 24 W at 230 VAC input. The auto-standby function reduces input power consumption to less than 50 mW at 230 VAC input by the burst-mode operation, which is stabilized by the auto-bias function to avoid a hiccup phenomenon. Current-mode feedback and leading-edge blanking stabilize the entire power supply operation. Various protections such as overvoltage, overcurrent, overload, thermal shutdown, and an avalanche-guaranteed MOSFET secure good system-level reliability.
These devices are provided in an 8-pin mini-DIP plastic package.
STR-A6169 Maximum Ratings
- Rugged Avalanche-Rated MOSFET
Simplified Surge Absorption
No VDSS Derating Required - Choice of rDS(on)
- Two Operational Modes by Automatic Switching:
PRC Mode for Normal Operation
Burst Mode for Stand-By Operation or Light Loads - Built-In Leading Edge Blanking
- Low Start-Up Current
Start-Up Circuit Disabled in Operation - Low Operating Current (1.5 mA typ)
- Automatic Burst Stand-By (intermittent operation)
Input Power <0.1 W at No Load - Auto-Bias Function
Stable Burst Operation Without Generating Interference - Internal Off-Timer Circuit
- Built-In Constant-Voltage Drive
- Multiple Protections:
Pulse-by-Pulse Overcurrent Protection
Overload Protection with Auto Recovery
Latching Overvoltage Protection
Undervoltage Lockout with Hysteresis
Latching Thermal Shutdown - Molded Small-Size 8-Pin Package
For Low-Height SMPS
Polarized to Prevent Backwards Assembly
The Series STR-A6100 are PRC topology ICs (fixed off-time and variable on-time control) designed for a relatively low output power SMPS design of which output power is up to 20 W at universal input or 24 W at 230 VAC input. The auto-standby function reduces input power consumption to less than 50 mW at 230 VAC input by the burst-mode operation, which is stabilized by the auto-bias function to avoid a hiccup phenomenon. Current-mode feedback and leading-edge blanking stabilize the entire power supply operation. Various protections such as overvoltage, overcurrent, overload, thermal shutdown, and an avalanche-guaranteed MOSFET secure good system-level reliability.
These devices are provided in an 8-pin mini-DIP plastic package.
STR-A6169 Features
Rugged 800 V Avalanche-Rated MOSFET Simplified Surge Absorption No VDSS Derating Required
19.2 Ω rDS(on)
Two Operational Modes by Automatic Switching: PRC Mode for Normal Operation Burst Mode for Stand-By Operation or Light Loads
Built-In Leading Edge Blanking
Low Start-Up Current Start-Up Circuit Disabled in Operation
Low Operating Current (1.5 mA typ)
Automatic Burst Stand-By (intermittent operation) Input Power <0.1 W at No Load
19.2 Ω rDS(on)
Two Operational Modes by Automatic Switching: PRC Mode for Normal Operation Burst Mode for Stand-By Operation or Light Loads
Built-In Leading Edge Blanking
Low Start-Up Current Start-Up Circuit Disabled in Operation
Low Operating Current (1.5 mA typ)
Automatic Burst Stand-By (intermittent operation) Input Power <0.1 W at No Load
STR-A6251M Maximum Ratings
Control Supply Voltage, VCC . . . . . . . . 36 V
Drain-Source Voltage, VDSS . . . . . . . . 650 V
Drain Switching Current, ID
STR-A6251 . . . . . . . . . . . . . . . . .. . . . . 2.5 A*
STR-A6252 . . . . . . . . . . . . . . . . . . .. . . 3.0 A*
Peak Drain Switching Current, IDM
STR-A6251 . . . . . . . . . . . . . . . . . . . . .. . 2.5 A
STR-A6252 . . . . . . . . . . . . . . . . . . . . . . . 3.0 A
Single-Pulse Avalanche Energy, EAS
STR-A6251 . . . . . . . . . . . . . . . . . . . . . . . 72 mJ
STR-A6252 . . . . . . . . . . . . . . . . . . . . . . 123 mJ
S/OCP Voltage Range,
VOCP . . . . . . . . . . . . . . . . . . . . 0.3 V to +6 V
FB/CC/OLP Voltage Range,
VFB/OLP . . . . . . . . . . . . . . . . . 0.3 V to +12 V
FM Voltage Range,
VFM . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +6 V
Package Power Dissipation, PD
control (VCC * ICC(ON)) . . . . . . . . . . . . 0.15 W
MOSFET (VDSS * ID) . . . . . . . . . . . . .. . 1.35 W
total . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 W
MOSFET Channel Temp., TJ . +150°C
Internal Frame Temp., TF . . . . . . . .. . . +125°C
Storage Temperature Range,
TS . . . . . . . . . . . . . . . . . . . . . -40°C to +125°C
* Drain switching current is limited by temperature
(page 2) and safe operating area(page 4).
STR-A6251M Features
67 kHz PWM with ±5% Frequency Jittering Cost Reduction of EMI Noise Filtering
Rugged 650 V Avalanche-Rated MOSFET Simplified Surge Absorption No VDSS Derating Required
Low rDS(on) (3.95 maximum)
Auto-Burst Mode for Stand-By Operation or Light Loads Less Transformer Audible Noise
Built-In Leading Edge Blanking
Soft Start and Low Start-Up Current Start-Up Circuit Disabled in Operation
Low Operating Current (4 mA max)
Automatic Burst Stand-By (intermittent operation) Input Power <0.1 W at No Load
Rugged 650 V Avalanche-Rated MOSFET Simplified Surge Absorption No VDSS Derating Required
Low rDS(on) (3.95 maximum)
Auto-Burst Mode for Stand-By Operation or Light Loads Less Transformer Audible Noise
Built-In Leading Edge Blanking
Soft Start and Low Start-Up Current Start-Up Circuit Disabled in Operation
Low Operating Current (4 mA max)
Automatic Burst Stand-By (intermittent operation) Input Power <0.1 W at No Load
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