Datasheet MP28300 (Monolithic Power Systems) - 6
| 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 / 6 — MP28300 – ULTRA-LOW IQ STEP-DOWN CONVERTER |
| File Format / Size | PDF / 657 Kb |
| Document Language | English |
MP28300 – ULTRA-LOW IQ STEP-DOWN CONVERTER
Model Line for this Datasheet
Text Version of Document
MP28300 – ULTRA-LOW IQ STEP-DOWN CONVERTER TYPICAL PERFORMANCE CHARACTERISTICS 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. Efficiency vs.Load Current Efficiency vs.Load Current Efficiency vs.Load Current
V V OUT=1.2V OUT=1.8V VOUT=3.3V 100 100 100 90 90 90 VIN=4.2V 80 80 80 VIN=5.0V V 70 V IN=2V IN=2V 70 70 V V IN=2.5V IN=2.5V 60 60 V 60 V IN=3.0V IN=3.0V V V IN=3.6V IN=3.6V 50 VIN=3.6V 50 50 V V IN=4.2V IN=4.2V 40 40 VIN=5.0V 40 VIN=5.0V 30 30 30 0.001 0.01 0.1 1 10 100 1000 0.001 0.01 0.1 1 10 100 1000 0.001 0.01 0.1 1 10 100 1000 I I OUT (mA) OUT (mA) IOUT (mA)
Line Regulation vs. Load Regulation vs. Load Regulation vs. Load Current Load Current Load Current
VIN=5V 1.00 1.00 1.00 0.75 0.75 VOUT=1.8V 0.75 VOUT=1.8V 0.50 0.50 0.50 V 0.25 IOUT=300mA I 0.25 OUT=1.2V 0.25 VOUT=1.2V OUT=150mA 0.00 0.00 0.00 -0.25 -0.25 -0.25 -0.50 -0.50 -0.50 VOUT=3.3V VOUT=3.3V -0.75 IOUT=1mA -0.75 -0.75 -1.00 -1.00 -1.00 2 3 4 5 6 0.001 0.01 0.1 1 10 100 1000 0.001 0.01 0.1 1 10 100 1000 V I IN (V) OUT (mA) IOUT (mA)
Buck Quiescent Current LDO Quiescent Current Buck Shutdown Current vs. Input Voltage vs. Input Voltage vs. Input Voltage
CTRL1/2/3=0V 700 400 100 90 600 350 (nA) (nA) (nA) 80 300 500 70 250 400 60 CURRENT CURRENT 200 50 300 150 40 200 30 100 20 100 QUIESCENT QUIESCENT 50 SHUTDOWN CURRENT 10 0 0 0 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) MP28300 Rev.1.1 www.MonolithicPower.com 6 6/12/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved.
V V OUT=1.2V OUT=1.8V VOUT=3.3V 100 100 100 90 90 90 VIN=4.2V 80 80 80 VIN=5.0V V 70 V IN=2V IN=2V 70 70 V V IN=2.5V IN=2.5V 60 60 V 60 V IN=3.0V IN=3.0V V V IN=3.6V IN=3.6V 50 VIN=3.6V 50 50 V V IN=4.2V IN=4.2V 40 40 VIN=5.0V 40 VIN=5.0V 30 30 30 0.001 0.01 0.1 1 10 100 1000 0.001 0.01 0.1 1 10 100 1000 0.001 0.01 0.1 1 10 100 1000 I I OUT (mA) OUT (mA) IOUT (mA)
Line Regulation vs. Load Regulation vs. Load Regulation vs. Load Current Load Current Load Current
VIN=5V 1.00 1.00 1.00 0.75 0.75 VOUT=1.8V 0.75 VOUT=1.8V 0.50 0.50 0.50 V 0.25 IOUT=300mA I 0.25 OUT=1.2V 0.25 VOUT=1.2V OUT=150mA 0.00 0.00 0.00 -0.25 -0.25 -0.25 -0.50 -0.50 -0.50 VOUT=3.3V VOUT=3.3V -0.75 IOUT=1mA -0.75 -0.75 -1.00 -1.00 -1.00 2 3 4 5 6 0.001 0.01 0.1 1 10 100 1000 0.001 0.01 0.1 1 10 100 1000 V I IN (V) OUT (mA) IOUT (mA)
Buck Quiescent Current LDO Quiescent Current Buck Shutdown Current vs. Input Voltage vs. Input Voltage vs. Input Voltage
CTRL1/2/3=0V 700 400 100 90 600 350 (nA) (nA) (nA) 80 300 500 70 250 400 60 CURRENT CURRENT 200 50 300 150 40 200 30 100 20 100 QUIESCENT QUIESCENT 50 SHUTDOWN CURRENT 10 0 0 0 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INPUT VOLTAGE (V) MP28300 Rev.1.1 www.MonolithicPower.com 6 6/12/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2019 MPS. All Rights Reserved.
