Texas Instruments LM3242 6MHz, 750mA Miniature, Adjustable, Step-Down DC-DC EVM LM3242TM-EV/NOPB LM3242TM-EV/NOPB 데이터 시트
제품 코드
LM3242TM-EV/NOPB
OUTPUT VOLTAGE (V)
EF
F
IC
IEN
C
Y
(%
)
100
95
90
85
80
75
70
65
0.5
1.0
1.5
2.0
2.5
3.0
3.5
V
IN
= 3.0V
V
IN
= 3.6V
V
IN
= 4.2V
OUTPUT CURRENT(mA)
EF
F
IC
IEN
C
Y
(%
)
100
95
90
85
80
75
70
0
100 200 300 400 500 600 700 800
V
IN
= 3.0V
V
IN
= 3.6V
V
IN
= 4.2V
OUTPUT CURRENT(mA)
EF
F
IC
IEN
C
Y
(%
)
100
95
90
85
80
75
70
0
100 200 300 400 500 600 700 800
V
IN
= 3.6V
V
IN
= 3.9V
V
IN
= 4.2V
SNOSB48D – OCTOBER 2011 – REVISED MARCH 2013
Typical Performance Characteristics (continued)
VIN = EN = 3.6V, L = 0.5 µH, C
IN
= 10 µF, C
OUT
= 4.7 µF and T
A
= +25°C, unless otherwise noted.
Efficiency
Efficiency
vs
vs
Output Current
Output Current
(V
OUT
=2.0V)
(V
OUT
=3.3V)
Figure 15.
Figure 16.
Efficiency
vs
PFET R
DSON
Output Voltage
vs
(R
LOAD
=10
Ω
)
Supply Voltage
Figure 17.
Figure 18.
NFET R
DSON
EN High Threshold
vs
vs
Supply Voltage
Supply Voltage
Figure 19.
Figure 20.
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