LTC1148HV Linear Technology, LTC1148HV Datasheet - Page 17

• Manufacturer Part Number: LTC1148HV
• Description: High Efficiency Synchronous Step-Down Switching Regulators
• Manufacturer: Linear Technology

TYPICAL APPLICATIO S
C
560pF
T
Figure 13. 5V Input Voltage, 3.3V/2A Low Dropout, High Efficiency Regulator
10nF
+
C
270pF
T
R
1k
Figure 14. 4V to 9V Input Voltage to – 5V/1A Regulator
+
U
C
C
6800pF
R
1k
1 F
C
C
C
3300pF
1 F
C
**KRL SL-1-C1-0R050J
*COILTRONICS CTX50-2-MP
1
2
3
4
5
6
7
**IRC LR2512-01-R050-G
*COILTRONICS CTX25-5 Kool M CORE
1
2
3
4
5
6
7
P-DRIVE
NC
V
C
INTV
I
SENSE
TH
IN
T
0V: SHUTDOWN
P-DRIVE
NC
V
C
INTV
I
SENSE
TH
IN
T
CC
LTC1148L-3.3
V
LTC1148
–
IN
CC
SHUTDOWN
: ACTIVE
–
SHUTDOWN
N-DRIVE
SENSE
PGND
SGND
N-DRIVE
SENSE
V
PGND
SGND
NC
FB
+
NC
NC
+
14
13
12
11
10
9
8
MMSF3P02HD
14
13
12
11
10
9
8
Si4431DY
SHUTDOWN
TP0610L
1000pF
1M
1000pF
25 H
50 H
*L
*L
R
0.05
R
0.05
SENSE
SENSE
MMSF5N02HD
MBRS140T3
MBRS140T3
Si4412DY
**
**
D1
D1
+
LTC1148-3.3/LTC1148-5
3.5V TO 14V
200pF
4V TO 9V
LTC1148 • F13
+
C
220 F
10V
AVX
+
V
V
OUT
2
IN
IN
C
100 F
20V
C
220 F
20V
IN
V
3.3V/2A
R1
25k
1%
R2
75k
1%
IN
OUT
+
C
220 F
10V
OS-CON
LTC1148 • F14
OUT
2
V
–5V/1.4A
OUT
LTC1148
17