On Semiconductor NCP5030 Evaluation Board NCP5030MTTXGEVB NCP5030MTTXGEVB NCP5030MTTXGEVB Fiche De Données
Codes de produits
NCP5030MTTXGEVB
NCP5030
http://onsemi.com
2
100
95
90
85
80
85
80
75
70
65
70
65
60
55
50
50
2.5
3.0
3.5
4.0
4.5
5.0
5.5
EFFICIENCY
(%
)
V
IN
(V)
I
out
= 300 mA
Figure 2. Efficiency vs. V
in
Voltage
PWM CONTROLLER
12
PCA
CTRL
250 K Bandgap
11
3
1
2
AGND
FB
COMP
PGND
Osc
700 kHz
Thermal
Shutdown
10
4
5/6
7
VIN
PVIN
LX1
LX2
13
8
9
VOUT
VS
Figure 3. Simplified Block Diagram
R1
39 k
39 k
200 mV
Up to 900 mA
LED
C3
R3
220 m
C4
22 pF
22 pF
C5
330 pF
330 pF
R2
100 k
100 k
22
mF X5R 1206 6.3 V
C2
4.7 mH
L1
C1
1 mF
V
bat
10 mF X5R 0805 6.3 V