LTC1433 Linear Technology, LTC1433 Datasheet - Page 15

• Manufacturer Part Number: LTC1433
• Description: 450mA/ Low Noise Current Mode Step-Down DC/DC Converters
• Manufacturer: Linear Technology

TYPICAL APPLICATIONS
V
OUT
+
100 F*
10V
V
D1: MOTOROLA MBRS130LT3
L1: COILCRAFT DO3316 SERIES
–5V
OUT
D1: MOTOROLA MBRS0520LT3
D2: MOTOROLA MBRS130LT3
L1: COILCRAFT DT1608C SERIES
L2: SUMIDA CD54 SERIES
+
100 H
22 H
L1
L2
100 F*
10V
68 H
L1
D1
D1
U
0.1 F
0.01 F
** AVX TPSE107M016R0100
D2
* AVX TPSD107M010R0100
N
1
2
3
4
5
6
7
8
** AVX TPSE686M020R0150
* AVX TPSD107M010R0100
SSW
NC
BSW
NC
SGND
RUN/SS
LBO
LBI
1
2
3
4
5
6
7
8
Highest Efficiency 3.3V/5V Converter
Positive-to-Negative – 5V Converter
SSW
NC
BSW
NC
SGND
RUN/SS
LBO
LBI
LTC1433
LTC1433
V
PWRV
OSENSE
V
PGND
C
PROG
V
SV
PWRV
POR
OSC
OSENSE
I
V
TH
PGND
IN
IN
C
PROG
SV
POR
OSC
I
TH
IN
IN
16
15
14
13
12
11
10
9
16
15
14
13
12
11
10
9
100pF
V
V
100pF
PROG
PROG
= 0V, V
= V
6800pF
680pF
IN
, V
100k
OUT
OUT
POWER-ON
RESET
= 3.3V
= 5V
5.1k
+
1433/34 TA03
68 F**
20V
+
100 F**
16V
LTC1433/LTC1434
V
5.1k
IN
3.0
4.0
5.0
6.0
7.0
7.5
6800pF
0.1 F
(V)
I
0.1 F
V
3.5V TO 12.5V FOR V
6V TO 12.5V FOR V
OUT(MAX)
IN
1433/34 TA02
680pF
180
240
290
340
410
420
V
3.5V TO 7.5V
IN
(mA)
OUT
OUT
= 5V
= 3.3V
15