TPS62843
TPS62843 is Small-Size Step-Down Converters manufactured by Texas Instruments.
Features
- 1.8-V to 5.5-V input voltage range
- 0.4-V to 3.6-V output voltage range
- 275-n A typical quiescent current
- 600-m A output current
- 1% output voltage accuracy
- 4-n A typical shutdown current
- Output discharge
- VSET pin-selectable output voltage through a single resistor
- TPS628436: 0.4 V to 0.8 V
- TPS628437: 0.8 V to 1.8 V
- TPS628438: 1.8 V to 3.6 V
- Optimized for small passive ponents
- 1-μH inductor
- Down to 4.7-μF COUT
- Low output voltage ripple in power save mode
- RF-friendly and fast transient DCS-Control
- Automatic transition to no ripple 100% mode
- 0603-inductor and 0402-capacitor size supported
- Tiny 6-pin, 0.35-mm pitch WCSP package with 0.84mm² size
- Pin-to-pin patible to the TPS6280x family (1 A)
2 Applications
- Wearable electronics
- Headsets, headphones, and earbuds
- Mobile phones
- Medical sensor patches
- Hearing aid
VIN 1.8 V to 5.5 V
1 µH
VOUT 0.4 V to 3.4 V
4.7 ¡F
10 F
VSET
Typical Application
3 Description
The TPS62843 is a high efficiency step-down converter family with ultra-low operating quiescent current of typically 275 n A. The device features a 4n A shutdown (typical) current when disabled.
The device uses DCS-Control with a low and RFfriendly output voltage ripple to power...
