UCC2809P-1
Primary Side PWM Controller 0.8mA 1000kHz 8-Pin VSSOP Tube
Quantity | Unit Price(USD) | Ext. Price |
---|---|---|
1 | $9.074 | $9.07 |
200 | $3.511 | $702.20 |
500 | $3.389 | $1,694.50 |
1000 | $3.327 | $3,327.00 |
Inventory:8,959
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Part Number : UCC2809P-1
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Package/Case : VSSOP
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Brands : TI
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Components Categories : AC DC Converters, Offline Switches
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Datesheet : UCC2809P-1 DataSheet (PDF)
Overview of UCC2809P-1
The UCC3809 family of BCDMOS economy low power integrated circuits contains all the control and drive circuitry required for off-line and isolated DC-to-DC fixed frequency current mode switching power supplies with minimal external parts count. Internally implemented circuits include undervoltage lockout featuring startup current less than 100µA, a user accessible voltage reference, logic to ensure latched operation, a PWM comparator, and a totem pole output stage to sink or source peak current. The output stage, suitable for driving N-Channel MOSFETs, is low in the off state.
Oscillator frequency and maximum duty cycle are programmed with two resistors and a capacitor. The UCC3809 family also features full cycle soft start.
The family has UVLO thresholds and hysteresis levels for off-line and DC-to-DC systems as shown in the table to the left.
The UCC3809 and the UCC2809 are offered in the 8 pin SOIC (D), PDIP (N), TSSOP (PW), and MSOP (P) packages. The small TSSOP and MSOP packages make the device ideal for applications where board space and height are at a premium.
Key Features
- User Programmable Soft Start With Active Low Shutdown
- User Programmable Maximum Duty Cycle
- Accessible 5V Reference
- Undervoltage Lockout
- Operation to 1MHz
- 0.4A Source/0.8A Sink FET Driver
- Low 100µA Startup Current
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Product Status | Active | Output Isolation | Isolated |
Internal Switch(s) | No | Topology | Boost, Flyback, Forward |
Voltage - Start Up | 10 V | Voltage - Supply (Vcc/Vdd) | 8V ~ 19V |
Duty Cycle | 70% | Frequency - Switching | 1MHz |
Control Features | Frequency Control, Soft Start | Operating Temperature | -55°C ~ 150°C (TJ) |
Package / Case | VSSOP-8 | Supplier Device Package | 8-VSSOP |
Mounting Type | Surface Mount | Base Product Number | UCC2809 |
Manufacturer | Texas Instruments | Product Category | Switching Controllers |
RoHS | Details | Number of Outputs | 1 Output |
Switching Frequency | 1 MHz | Duty Cycle - Max | 70 % |
Input Voltage | 19 V | Output Voltage | 10 V |
Output Current | 800 mA | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature | + 85 C | Mounting Style | SMD/SMT |
Brand | Texas Instruments | Height | 0.97 mm |
Length | 3 mm | Moisture Sensitive | Yes |
Product Type | Switching Controllers | Series | UCC2809-1 |
Factory Pack Quantity | 80 | Subcategory | PMIC - Power Management ICs |
Type | Economy Primary Side PWM Controller | Width | 3 mm |
Unit Weight | 0.000917 oz |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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