Datasheet MP28300 (Monolithic Power Systems) - 9
| Manufacturer | Monolithic Power Systems |
| Description | 300mA, 5.5V, 500nA, Ultra-Low Iq, Synchronous, Step-Down Converter plus 100mA LDO in 2x2 QFN |
| Pages / Page | 20 / 9 — MP28300 – ULTRA-LOW IQ STEP-DOWN CONVERTER. TYPICAL PERFORMANCE … |
| File Format / Size | PDF / 657 Kb |
| Document Language | English |
MP28300 – ULTRA-LOW IQ STEP-DOWN CONVERTER. TYPICAL PERFORMANCE CHARACTERISTICS (continued)
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Text Version of Document
MP28300 – ULTRA-LOW IQ STEP-DOWN CONVERTER TYPICAL PERFORMANCE CHARACTERISTICS (continued) VIN1 = 3.6V, VOUT1 = 1.8V, L1 = 2.2µH, CIN1 = 10µF, COUT1 = 10µF, VIN2 = 3.6V, VOUT2 = 1.8V, CIN2 = 1µF, COUT2 = 1µF, TA = +25°C, unless otherwise noted. Steady State Steady State Steady State
IOUT1 = 0A IOUT1 = 0.3A VOUT1 = 3.3V, IOUT1 = 0A VOUT1/AC VOUT1/AC V 20mV/div. OUT1/AC 10mV/div. 10mV/div. VIN1 5V/div. VIN1 VIN1 5V/div. 5V/div. VSW 2V/div. VSW VSW 2V/div. 2V/div. IL IL IL 100mA/div. 200mA/div. 200mA/div.
Steady State CTRL On CTRL On
VOUT1 = 3.3V, IOUT1 = 0.3A IOUT1 = 0A IOUT1 = 0.3A VOUT1/AC 20mV/div. VOUT1 VOUT1 2V/div. 2V/div. VIN1 5V/div. V V CTRL1/3 CTRL1/3 5V/div. 5V/div. VSW VSW 2V/div. 2V/div. VSW 2V/div. IL IL IL 200mA/div. 500mA/div. 200mA/div.
CTRL Off CTRL Off PG On
IOUT1 = 0A IOUT1 = 0.3A IOUT1 = 0A VOUT1 VOUT1 VOUT1 2V/div. 2V/div. 2V/div. VCTRL1/3 VCTRL1/3 VPG 5V/div. 5V/div. 5V/div. VSW VSW VSW 2V/div. 2V/div. 2V/div. IL IL 200mA/div. 200mA/div. IL 200mA/div. MP28300 Rev.1.1 www.MonolithicPower.com 9 6/12/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved.
IOUT1 = 0A IOUT1 = 0.3A VOUT1 = 3.3V, IOUT1 = 0A VOUT1/AC VOUT1/AC V 20mV/div. OUT1/AC 10mV/div. 10mV/div. VIN1 5V/div. VIN1 VIN1 5V/div. 5V/div. VSW 2V/div. VSW VSW 2V/div. 2V/div. IL IL IL 100mA/div. 200mA/div. 200mA/div.
Steady State CTRL On CTRL On
VOUT1 = 3.3V, IOUT1 = 0.3A IOUT1 = 0A IOUT1 = 0.3A VOUT1/AC 20mV/div. VOUT1 VOUT1 2V/div. 2V/div. VIN1 5V/div. V V CTRL1/3 CTRL1/3 5V/div. 5V/div. VSW VSW 2V/div. 2V/div. VSW 2V/div. IL IL IL 200mA/div. 500mA/div. 200mA/div.
CTRL Off CTRL Off PG On
IOUT1 = 0A IOUT1 = 0.3A IOUT1 = 0A VOUT1 VOUT1 VOUT1 2V/div. 2V/div. 2V/div. VCTRL1/3 VCTRL1/3 VPG 5V/div. 5V/div. 5V/div. VSW VSW VSW 2V/div. 2V/div. 2V/div. IL IL 200mA/div. 200mA/div. IL 200mA/div. MP28300 Rev.1.1 www.MonolithicPower.com 9 6/12/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved.
