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The WL2843D series are high accuracy, low noise, high speed, high PSRR, low dropout CMOS Linear regulators with high ripple rejection. The devices offer a new level of cost effective performance in cellular phones, laptop and notebook computers, and other portable devices.

The WL2843D has the fold-back maximum output current which depends on the output voltage. So the current limit functions both as a short circuit protection and as an output current limiter.

The WL2843D regulators are available in standard DFN2x2-6L Package. Standard products are Pb-free and Halogen-free.

- MP3/MP4 Players
- Cellphones, radiophone, digital cameras
- Bluetooth, wireless handsets
- Other portable electronic devices


Input Voltage Range:

Output Voltage Range:

Output current:
500 mA

Quiescent current:
50 μA Typ.

Shut-down current:
<1 μA

Dropout voltage:
617 mV @VOUT=1.2V, IOUT=0.5A

80 dB @ 1 kHz, VOUT=1.2V

Low Output Voltage Noise:
20 μVRMS Typ

Output Voltage Tolerance:
±1% @ VOUT>2V

Recommend capacitor:
1 μF

Thermal-Overload and Short-Circuit Protection

Order Information
Ordering No. Vout(V) Package
WL2843D11-6/TR 1.1 DFN2x2-6L
WL2843D12-6/TR 1.2 DFN2x2-6L