LTC1148CS-5#TRPBF Linear Technology, LTC1148CS-5#TRPBF Datasheet - Page 17

• Manufacturer Part Number: LTC1148CS-5#TRPBF
• Description: IC SW REG STEP-DOWN 5V 14-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1148CS-5#TRPBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 50mA
• Frequency - Switching: 250kHz
• Voltage - Input: 3.5 ~ 20 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

TYPICAL APPLICATIO S
Figure 13. 5V Input Voltage, 3.3V/2A Low Dropout, High
Efficiency Regulator
C
270pF
T
+
R
1k
C
C
3300pF
1µF
C
**IRC LR2512-01-R050-G
*COILTRONICS CTX25-5 Kool Mµ CORE
1
2
3
4
5
6
7
P-DRIVE
NC
V
C
INTV
I
SENSE
TH
IN
T
LTC1148L-3.3
CC
–
SHUTDOWN
N-DRIVE
SENSE
C
560pF
PGND
SGND
T
NC
NC
+
MMSF3P02HD
14
13
12
11
10
9
8
SHUTDOWN
10nF
+
1000pF
Figure 15. 4V to 9V Input Voltage to – 5V/1A Regulator
25µH
R
1k
U
C
C
6800pF
*L
C
1µF
R
0.05Ω
SENSE
MMSF5N02HD
**KRL SL-1-C1-0R050J
MBRS140T3
*COILTRONICS CTX50-2-MP
1
2
3
4
5
6
7
**
P-DRIVE
NC
V
C
INTV
I
SENSE
D1
TH
IN
T
0V: SHUTDOWN
+
CC
V
LTC1148
3.5V TO 14V
–
IN
LTC1148 • F13
SHUTDOWN
: ACTIVE
C
220µF
10V
× 2
AVX
+
V
OUT
IN
N-DRIVE
SENSE
PGND
SGND
C
100µF
20V
IN
V
3.3V/2A
V
NC
OUT
FB
+
14
13
12
11
10
9
8
Si4431DY
TP0610L
1000pF
1M
C
270pF
NPO
T
50µH
Figure 14. High Efficiency 5V to 3.3V/4.5A Converter
*L
R
470Ω
C
C
3300pF
C
0.1µF
R
0.05Ω
SENSE
MBRS140T3
Si4412DY
**KRL SP-1-C1-0R020
*COILTRONICS CTX10-5P
1
2
3
4
5
6
7
**
D1
LTC1148-3.3/LTC1148-5
P-DRIVE
NC
V
C
INTV
I
SENSE
TH
IN
T
200pF
LTC1148-3.3
4V TO 9V
CC
+
–
V
IN
SHUTDOWN
N-DRIVE
C
220µF
20V
SENSE
R1
25k
1%
R2
75k
1%
IN
LTC1148 • F15
PGND
SGND
NC
NC
+
1000pF
+
14
13
12
11
10
9
8
Si9803DY
C
220µF
10V
× 2
OS-CON
OUT
SHUTDOWN
V
–5V/1.4A
OUT
10µH
*L
R
0.02Ω
SENSE
MBRS140T3
Si9804DY
LTC1148
**
D1
+
LTC1148 • F14
C
220µF
10V
AVX
× 2
+
V
OUT
5V
IN
17
C
100µF
20V
× 2
114835fd
IN
V
3.3V/4.5A
OUT