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 CURRENT(mA)
EF
F
IC
IEN
C
Y
(%
)
100
95
90
85
80
75
70
65
60
0
50
100
150
200
250
V
IN
= 3.0V
V
IN
= 3.6V
V
IN
= 4.2V
OUTPUT CURRENT (mA)
O
U
T
PU
T
VO
L
T
AG
E
(V
)
0.63
0.62
0.61
0.60
0.59
0.58
0
25
50
75
100
125
150
ECO to PWM
PWM to ECO
OUTPUT CURRENT (mA)
O
U
T
PU
T
VO
L
T
AG
E
(V
)
2.03
2.02
2.01
2.00
1.99
1.98
0
25
50
75
100
125
150
ECO to PWM
PWM to ECO
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.
Output Voltage
Output Voltage
vs
vs
Output Current
Output Current
(V
OUT
=0.6V)
(V
OUT
=2.0V)
Figure 9.
Figure 10.
ECO-PWM mode Threshold Current
PWM-ECO mode Threshold current
vs
vs
Output Voltage
Output voltage
Figure 11.
Figure 12.
Efficiency
Closed-loop Current Limit
vs
vs
Output Current
Temperature (V
OUT
= 2.0V)
(V
OUT
=0.8V)
Figure 13.
Figure 14.
8
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