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LTC1430AC 数据表(PDF) 2 Page - Linear Technology

部件名 LTC1430AC
功能描述  High Power Step-Down Switching Regulator Controller
PDF  24 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1430AC 数据表(HTML) 2 Page - Linear Technology

  LTC1430AC Datasheet HTML 1Page - Linear Technology LTC1430AC Datasheet HTML 2Page - Linear Technology LTC1430AC Datasheet HTML 3Page - Linear Technology LTC1430AC Datasheet HTML 4Page - Linear Technology LTC1430AC Datasheet HTML 5Page - Linear Technology LTC1430AC Datasheet HTML 6Page - Linear Technology LTC1430AC Datasheet HTML 7Page - Linear Technology LTC1430AC Datasheet HTML 8Page - Linear Technology LTC1430AC Datasheet HTML 9Page - Linear Technology Next Button
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LTC1430A
A
G
A
U
A
R
BSOLUTEXI
TI
S
Supply Voltage
VCC ....................................................................... 9V
PVCC1, 2 .............................................................. 13V
Input Voltage
IFB ......................................................... – 0.3V to 18V
All Other Inputs ...................... – 0.3V to (VCC + 0.3V)
Junction Temperature ........................................... 150
°C
Operating Temperature Range
LTC1430AC ............................................. 0
°C to 70°C
LTC1430AI ........................................ – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
PACKAGE/ORDER I FOR ATIO
ORDER
PART NUMBER
1
2
3
4
5
6
7
8
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
GN PACKAGE
16-LEAD PLASTIC SSOP
16
15
14
13
12
11
10
9
G1
PVCC1
PGND
GND
SENSE–
FB
SENSE+
SHDN
G2
PVCC2
VCC
IFB
IMAX
FREQSET
COMP
SS
TJMAX = 150°C, θJA = 130°C/W (GN)
TJMAX = 150°C, θJA = 110°C/W (S)
1
2
3
4
8
7
6
5
TOP VIEW
G1
PVCC1
GND
FB
G2
VCC/PVCC2
COMP
SHDN
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 150°C/W
S8 PART MARKING
1430A
LTC1430ACS8
LTC1430ACGN
LTC1430AIGN
LTC1430ACS
ORDER
PART NUMBER
Consult factory for Military grade parts.
ELECTRICAL CHARACTERISTICS
LTC1430AC
LTC1430AI
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VCC
Supply Voltage
q
48
4
8
V
PVCC
PVCC1, PVCC2 Voltage
q
313
3
13
V
VOUT
Output Voltage
Figure 1
3.30
3.30
V
VFB
Feedback Voltage
SENSE
+ and SENSE– Floating ,
q
1.25 1.265 1.28
1.23 1.265 1.29
V
VCOMP = 2.5V
∆VOUT
Output Load Regulation
Figure 1, IOUT = 0A to 10A
5
5
mV
Output Line Regulation
Figure 1, VCC = 4.75V to 5.25V
1
1
mV
IVCC
Supply Current (VCC Only)
Figure 2, VSHDN = VCC
q
350
700
350
700
µA
VSHDN = 0V
1
10
1
10
µA
IPVCC
Supply Current (PVCC)
Figure 2, PVCC = 5V, VSHDN = VCC (Note 3)
1.5
1.5
mA
VSHDN = 0V
0.1
0.1
µA
fOSC
Internal Oscillator Frequency
FREQSET Floating
q
140
200
260
130
200
300
kHz
VCC = 5V, TA = 25°C (Note 2) unless otherwise noted.
(Note 1)



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