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TPS7333QD — 500mA Fixed 3.3V Micropower Low-Dropout Regulator with Integrated Power-On Reset
Texas Instruments 500mA micropower fixed +3.3V low-dropout (LDO) linear regulator featuring an integrated 200ms delayed power-on reset supervisor and active-high enable in an 8-pin SOIC package.
Regulator TypeMicropower Low-Dropout (LDO) Regulator with Integrated SupervisorOutput Voltage3.3Vtps7333tps7333qd
8-pin SOIC (D) / 8-pin PDIP (P)2026-08-23
Power
UC3842 — Current-Mode PWM Controller (16V/10V UVLO)
Texas Instruments current-mode PWM controller IC with 16V turn-on / 10V turn-off UVLO thresholds, 1A totem-pole MOSFET gate driver, and 500kHz max frequency for offline SMPS.
Controller TypeCurrent-Mode Fixed-Frequency PWM ControllerSupply Voltage12–30Vuc3842uc3842n
8-pin PDIP / SOIC-82026-08-12
Power
UC3843 — Current-Mode PWM Controller (8.4V/7.6V UVLO)
Texas Instruments current-mode PWM controller IC with 8.4V turn-on / 7.6V turn-off UVLO thresholds, 1A totem-pole gate driver, and 500kHz max frequency for low-voltage SMPS.
Controller TypeLow-Voltage Current-Mode PWM ControllerSupply Voltage7.6–30Vuc3843uc3843n
8-pin PDIP / SOIC-82026-08-12
Power
VIPer22A — Off-Line Primary SMPS Switcher IC (Integrated 730V MOSFET)
STMicroelectronics off-line primary SMPS converter IC combining a dedicated current-mode PWM controller and a 730V rugged power MOSFET in a single DIP-8 package for compact isolated and non-isolated AC-DC power supplies.
Device TypeMonolithic High-Voltage SMPS Switcher ICIntegrated Mosfet Breakdown730Vviper22aviper22a-e
8-pin DIP (DIP-8 / SDIP-8) / SO-82026-08-25
Power
XL4005 — 5A 300kHz 32V Step-Down (Buck) DC-DC Converter
XLSEMI 5A 300kHz step-down (buck) DC-DC converter IC with built-in N-channel power MOSFET and up to 95% conversion efficiency.
Regulator TypeStep-Down (Buck) DC-DC Switching RegulatorInput Voltage V5–32xl4005xl4005e1
TO-263-5L (D2PAK) / 5A Buck Breakout Module2026-08-12
Power
XL4015 — 5A 180kHz 36V Step-Down (Buck) DC-DC Converter
XLSEMI 5A 180kHz 36V step-down DC-DC converter IC with built-in power MOSFET and up to 96% efficiency, ubiquitous on 5A CC/CV battery charger modules.
Regulator TypeHigh-Current Step-Down (Buck) DC-DC Switching RegulatorInput Voltage V8–36xl4015xl4015e1
TO-263-5L (D2PAK) / 5A CC/CV Buck Module2026-08-12
Power
XL6009 — 4A 400kHz Step-Up (Boost) DC-DC Converter
XLSEMI 4A 400kHz step-up (boost) switching regulator IC with built-in N-channel power MOSFET, commonly used on high-power DC-DC boost modules up to 38V output.
Regulator TypeStep-Up (Boost) DC-DC Switching RegulatorInput Voltage V5–32xl6009xl6009e1
TO-263-5L (D2PAK) / Adjustable Boost Breakout Board2026-08-08

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