MP2101DQ MPS [Monolithic Power Systems], MP2101DQ Datasheet - Page 3

• Manufacturer Part Number: MP2101DQ
• Description: 1.6MHz, 800mA Synchronous Step-Down Converter plus 200mA LDO
• Manufacturer: MPS [Monolithic Power Systems]

TYPICAL PERFORMANCE CHARACTERISTICS
EV2101DQ-00A Rev. 1.1
8/18/2006
0.1V/div.
0.5A/div.
PWROK
2V/div.
2V/div.
1V/div.
1V/div.
2V/div.
2V/div.
1V/div.
V
V
V
V
V
OUT1
OUT2
OUT1
OUT2
OUT1
V
V
EN
I
L1
IN
Enable Turn On
V
V
I
with Resistive Load
Input Ramp Up
V
V
I
with Resistive Load
Load Transient of
Synchronous Buck
V
I
LOAD1
LOAD1
LOAD1
IN1
OUT2
IN1
OUT2
IN
EV2101DQ-00A – 1.6MHz, 800mA SYNCHRONOUS STEP-DOWN PLUS 200mA LDO
= 3.6V, V
= V
= V
= 1.2V, EN1 = EN2 = 3.6V
= 1.2V, EN1 = EN2 = 3.6V
= 0.3A, I
= 0.3A, I
= 0.8A with Resistive Load
IN2
IN2
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
= 3.6V, V
= 3.6V, V
1ms/div.
OUT1
LOAD2
LOAD2
= 1.8V
OUT1
OUT1
= 0.1A
= 0.1A
= 1.8V,
= 1.8V,
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50mV/div.
PWROK
0.1A/div.
5V/div.
5V/div.
1V/div.
1V/div.
2V/div.
2V/div.
1V/div.
V
V
V
V
V
OUT1
OUT2
OUT1
OUT2
OUT2
V
V
EN
I
IN
L2
Enable Turn Off
V
V
I
with Resistive Load
LDO Load Transient
V
I
with Resistive Load
Input Ramp Down
V
V
I
with Resistive Load
LOAD1
LOAD2
LOAD1
IN1
OUT2
IN
IN1
OUT2
= V
= V
= V
= 1.2V, EN1 = EN2 = 3.6V
= 0.3A, I
= 1.2V, EN1 = EN2 = 3.6V
IN2
= 0.02A to 0.15A
=0.3A, I
IN2
IN2
= 3.6V, V
= 3.6V, V
= 3.6V, V
1ms/div.
LOAD2
LOAD2
OUT2
OUT1
OUT1
= 0.1A
= 0.1A
EVALUATION BOARD
= 1.2V
= 1.8V,
= 1.8V,
3