(China (Mainland))
Product Summary
The UCC3808A is a BiCMOS push-pull, high-speed, low-power, pulse-width modulator. It contains all of the control and drive circuitry required for off-line or dc-to-dc fixed frequency current-mode switching power supplies with minimal external parts count.
Parametrics
Absolute maximum ratings: (1)Supply voltage (IDD ≤ 10 mA):15 V; (2)Supply current:20 mA; (3)OUTA/OUTB source current (peak):–0.5 A; (4)OUTA/OUTB sink current (peak):1.0 A; (5)Analog inputs (FB, CS):–0.3 V to VDD 0.3 V, not to exceed 6 V ; (6)Power dissipation at TA = 25℃ (N package):1 W; (7)Power dissipation at TA = 25℃(D package):650 mW; (8)Power dissipation at TA = 25℃ (PW package):400 mW; (9)Storage temperature:–65℃ to150℃; (10)Junction temperature:–55℃ to 150℃; (11)Lead temperature (soldering, 10 sec.):300℃.
Features
Features: (1)Dual Output Drive Stages in Push-Pull Configuration; (2)Current Sense Discharge Transistor to Improve Dynamic Response; (3)130-μA Typical Starting Current; (4)1-mA Typical Run Current; (5)Operation to 1 MHz; (6)Internal Soft Start; (7)On-Chip Error Amplifier With 2-MHz Gain Bandwidth Product; (8)On Chip VDD Clamping; (9)Output Drive Stages Capable of 500-mA Peak-Source Current, 1-A Peak-Sink Current.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||||||||
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 UCC3808A-1 |
Other |
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Data Sheet |
Negotiable |
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UCC3808A-2 |
Other |
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Data Sheet |
Negotiable |
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UCC3808AD-2 |
Texas Instruments |
Current Mode PWM Controllers Low-Pwr Current-Mode Push-Pull PWM |
Data Sheet |
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UCC3808AD-1G4 |
Texas Instruments |
Current Mode PWM Controllers Low-Pwr Current-Mode Push-Pull PWM |
Data Sheet |
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UCC3808AD-1 |
Texas Instruments |
Current Mode PWM Controllers Low-Pwr Current-Mode Push-Pull PWM |
Data Sheet |
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UCC3808AD-2G4 |
Texas Instruments |
Current Mode PWM Controllers Low-Pwr Current-Mode Push-Pull PWM |
Data Sheet |
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UCC3808AN-2G4 |
Texas Instruments |
Current Mode PWM Controllers Low-Pwr Current-Mode Push-Pull PWM |
Data Sheet |
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UCC3808AN-2 |
Texas Instruments |
Current Mode PWM Controllers Low-Pwr Current-Mode Push-Pull PWM |
Data Sheet |
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