LTC1430ACS Linear Technology, LTC1430ACS Datasheet - Page 7

IC SW REG CNTRLR STEP-DWN 16SOIC

LTC1430ACS

Manufacturer Part Number
LTC1430ACS
Description
IC SW REG CNTRLR STEP-DWN 16SOIC
Manufacturer
Linear Technology
Type
Step-Down (Buck)r
Datasheet

Specifications of LTC1430ACS

Internal Switch(s)
No
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
3.3V, Adj
Current - Output
50A
Frequency - Switching
50kHz ~ 500kHz
Voltage - Input
4 ~ 8 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-

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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

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