ml4865 Fairchild Semiconductor, ml4865 Datasheet - Page 6

• Manufacturer Part Number: ml4865
• Description: High Voltage High Current Boost Regulator
• Manufacturer: Fairchild Semiconductor

ML4865
6
Figure 4. Output Current vs. Input Voltage
900
700
500
300
100
100
300
250
200
150
100
Input Voltage for the Circuit of Figure 7
Figure 5. Efficiency vs. Output Current
90
80
70
60
50
50
0
0
Figure 6. No Load Input Current vs.
0
1
0
V IN = 10V
V IN = 5V
V IN = 2V
EXTERNAL
SCHOTTKY
WITHOUT
2
2
10
4
4
I OUT (mA)
V IN (V)
V IN (V)
SCHOTTKY
EXTERNAL
WITHOUT
EXTERNAL
SCHOTTKY
6
6
WITH
100
with Schottky
without Schottky
SCHOTTKY
EXTERNAL
V OUT = 12V
WITH
8
8
1000
10
10
Inductor Selection
Output Capacitor
C
V IN
OUT
47µF
C1
=
10
V
OUT
Figure 7. Typical Application Circuit
×
L
Ω
SENSE
GND
V IN
V L1
(F)
ML4865
PWR GND
(Sumida CD75)
V OUT
SHDN
V L2
22µH
PRODUCT SPECIFICATION
1MΩ
R1
REV. 1.0.2 8/10/01
MBR0520L
D1
V OUT
47µF
C2
(2)