LTC1430A Linear Technology, LTC1430A Datasheet - Page 7

• Manufacturer Part Number: LTC1430A
• Description: High Power Step-Down Switching Regulator Controller
• Manufacturer: Linear Technology

TEST CIRCUITS
NC
NC
NC
NC
4.7 F
V
I
FREQSET
COMP
SS
SHDN
MAX
SHDN
GND
+
V
V
CC
CC
PGND
Figure 2
LTC1430A
PV
C1
220pF
CC2
SENSE
100
SHUTDOWN
0.1 F
PV
PV
CC1
CC
–
+
SENSE
R
7.5k
C
NC
C
4700pF
0.01 F
I
FB
C
G1
G2
FB
1 F
+
V
SS
FREQSET
SHDN
COMP
PV
1430 F02
CC
NC
NC
NC
CC2
LTC1430A
SENSE
V
CC
SENSE
PV
PGND
–
I
GND
CC1
MAX
I
G1
G2
FB
FB
1N4148
+
Figure 4
NC
16k
Q1A, Q1B, Q2: MOTOROLA MTD20N03HL
C
C
IN
OUT
V
: AVX-TPSE227M010R0100
COMP
1k
: AVX-TPSE337M006R0100
0.1 F
V
FB
0.1 F
COMP
FB
GND
V
CC
LTC1430A
V
IN
PV
5V
= 5V
CC1
Q2
2.7 H/15A
Q1A, Q1B
2 IN PARALLEL
+
PV
PGND
CC2
G1
G2
C
220 F
IN
4
Figure 3
+
C
330 F
+
OUT
6
1430 F04
10 F
10,000pF
10,000pF
3.3V
LTC1430A
G1 RISE/FALL
G2 RISE/FALL
0.1 F
1430 F03
7