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UC3844BN
PWM Controller, Current Mode, 12V-25V supply, 250kHz, 13.5V/200mA out, DIP-8
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631 In Stock
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| Quantity | Price (inc GST) |
|---|---|
| 1+ | CNY6.400 (CNY7.232) |
| 10+ | CNY3.990 (CNY4.5087) |
| 100+ | CNY3.520 (CNY3.9776) |
| 500+ | CNY3.380 (CNY3.8194) |
| 1000+ | CNY2.920 (CNY3.2996) |
| 2500+ | CNY2.900 (CNY3.277) |
| 5000+ | CNY2.880 (CNY3.2544) |
Price for:Each
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Multiple: 1
CNY6.40 (CNY7.23 inc GST)
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Product Information
ManufacturerSTMICROELECTRONICS
Manufacturer Part NoUC3844BN
Order Code2849826
Technical Datasheet
Power Supply Controller TypeSingle Ended Controller
No. of Channels1Channels
Control ModeCurrent Mode Control
Supply Voltage Min-
Supply Voltage Max-
IC Case / PackageMiniDIP
No. of Pins8Pins
IC MountingThrough Hole
Switching Frequency Typ52kHz
Switching Frequency Min-
Switching Frequency Max-
Duty Cycle Min0%
Duty Cycle Max50%
TopologyBoost, Flyback
Operating Temperature Min-25°C
Operating Temperature Max85°C
Product Range-
Qualification-
MSLMSL 1 - Unlimited
SVHCNo SVHC (21-Jan-2025)
Automotive Qualification Standard-
Controller IC Case StyleMiniDIP
Frequency500kHz
Input Voltage15V
Output Current1A
Output Voltage5V
Product Overview
- High performance current mode pwm controller
- Trimmed oscillator for precise frequency control
- Oscillator frequency guaranteed at 250KHz typ
- Current mode operation to 500KHz
- Automatic feed forward compensation
- Latching pwm for cycle-by-cycle current limiting
- Internally trimmed reference with undervoltage lockout
- High current totem pole output
- Undervoltage lockout with hysteresis
- Low start-up and operating current
Warnings
Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.
Technical Specifications
Power Supply Controller Type
Single Ended Controller
Control Mode
Current Mode Control
Supply Voltage Max
-
No. of Pins
8Pins
Switching Frequency Typ
52kHz
Switching Frequency Max
-
Duty Cycle Max
50%
Operating Temperature Min
-25°C
Product Range
-
MSL
MSL 1 - Unlimited
Automotive Qualification Standard
-
Frequency
500kHz
Output Current
1A
No. of Channels
1Channels
Supply Voltage Min
-
IC Case / Package
MiniDIP
IC Mounting
Through Hole
Switching Frequency Min
-
Duty Cycle Min
0%
Topology
Boost, Flyback
Operating Temperature Max
85°C
Qualification
-
SVHC
No SVHC (21-Jan-2025)
Controller IC Case Style
MiniDIP
Input Voltage
15V
Output Voltage
5V
Technical Docs (3)
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Legislation and Environmental
Country of Origin:
Country in which last significant manufacturing process was carried outCountry of Origin:Malaysia
Country in which last significant manufacturing process was carried out
Country in which last significant manufacturing process was carried outCountry of Origin:Malaysia
Country in which last significant manufacturing process was carried out
Tariff No:85423990
US ECCN:EAR99
EU ECCN:NLR
RoHS Compliant:Yes
RoHS
RoHS Phthalates Compliant:Yes
RoHS
SVHC:No SVHC (21-Jan-2025)
Download Product Compliance Certificate
Product Compliance Certificate
Weight (kg):.000848