LTC1430A Linear Technology, LTC1430A Datasheet - Page 2

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

A
LTC1430A
Supply Voltage
Input Voltage
PACKAGE/ORDER I FOR ATIO
Consult factory for Military grade parts.
SYMBOL
V
PV
V
V
I
I
f
ELECTRICAL CHARACTERISTICS
2
V
VCC
PVCC
OSC
CC
OUT
FB
V
CC
BSOLUTE
CC
OUT
V
PV
I
All Other Inputs ...................... – 0.3V to (V
FB
= 5V, T
CC
CC1, 2
......................................................... – 0.3V to 18V
PV
....................................................................... 9V
GND
CC1
G1
FB
T
JMAX
A
PARAMETER
Supply Voltage
PV
Output Voltage
Feedback Voltage
Output Load Regulation
Output Line Regulation
Supply Current (V
Supply Current (PV
Internal Oscillator Frequency
.............................................................. 13V
1
2
3
4
= 25 C (Note 2) unless otherwise noted.
8-LEAD PLASTIC SO
= 150 C,
CC1
S8 PACKAGE
TOP VIEW
, PV
W
CC2
JA
= 150 C/W
Voltage
A
XI
CC
8
7
6
5
CC
Only)
G2
V
COMP
SHDN
)
W
CC
/PV
U
CC2
U
W
R
S8 PART MARKING
CONDITIONS
Figure 1
SENSE
V
Figure 1, I
Figure 1, V
Figure 2, V
V
Figure 2, PV
V
FREQSET Floating
A
PART NUMBER
LTC1430ACS8
COMP
SHDN
SHDN
W
TI
ORDER
1430A
= 0V
= 0V
U
+
= 2.5V
CC
and SENSE
OUT
G
CC
SHDN
CC
+ 0.3V)
= 4.75V to 5.25V
S
= 0A to 10A
= 5V, V
= V
U
CC
(Note 1)
–
Floating ,
SHDN
Junction Temperature ........................................... 150 C
Operating Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
= V
16-LEAD PLASTIC SSOP
LTC1430AC ............................................. 0 C to 70 C
LTC1430AI ........................................ – 40 C to 85 C
CC
SENSE
SENSE
PV
(Note 3)
PGND
SHDN
GN PACKAGE
GND
CC1
G1
FB
T
T
–
+
JMAX
JMAX
1
2
3
4
5
6
7
8
= 150 C,
= 150 C,
TOP VIEW
1.25 1.265 1.28
MIN TYP MAX
140
JA
JA
4
3
16-LEAD PLASTIC SO
= 130 C/W (GN)
= 110 C/W (S)
LTC1430AC
S PACKAGE
3.30
350
200
1.5
0.1
16
15
14
13
12
11
10
9
5
1
1
G2
PV
V
I
I
FREQSET
COMP
SS
FB
MAX
CC
CC2
700
260
13
10
8
MIN
1.23 1.265 1.29
130
4
3
LTC1430AI
PART NUMBER
LTC1430ACGN
LTC1430AIGN
LTC1430ACS
3.30
TYP MAX
350
200
1.5
0.1
5
1
1
ORDER
700
300
13
10
8
UNITS
kHz
mV
mV
mA
V
V
V
V
A
A
A