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LTC1430 数据表(PDF) 2 Page - Linear Technology

部件名 LTC1430
功能描述  High Power Step-Down Switching Regulator Controller
PDF  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC1430 数据表(HTML) 2 Page - Linear Technology

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LTC1430
Supply Voltage
VCC ....................................................................... 9V
PVCC1, 2 .............................................................. 13V
Input Voltage
IFB ......................................................... – 0.3V to 18V
All Other Inputs ...................... – 0.3V to (VCC + 0.3V)
Operating Temperature Range
LTC1430C .............................................. 0
°C to 70°C
LTC1430I ........................................... – 40
°C to 85°C
Storage Temperature Range ................ – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300
°C
ORDER
PART NUMBER
ORDER
PART NUMBER
LTC1430CN
LTC1430CS
LTC1430IS
LTC1430CN8
LTC1430CS8
S8 PART MARKING
1430
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Supply Voltage
q
48
V
PVCC
PVCC1, PVCC2
q
13
V
VOUT
Output Voltage
Figure 1
q
3.30
V
VFB
Feedback Voltage
Figure 1, SENSE+ and SENSE– Floating (LTC1430C)
q
1.25
1.265
1.28
V
Figure 1, SENSE+ and SENSE– Floating (LTC1430I)
q
1.23
1.265
1.29
V
∆VOUT
Output Load Regulation
Figure 1, IOUT = 0A to 10A (Note 3) (LTC1430C)
q
520
mV
Figure 1, IOUT = 0A to 10A (Note 3) (LTC1430I)
5
mV
Output Line Regulation
Figure 1, VCC = 4.75V to 5.25V (Note 3) (LTC1430C) q
15
mV
Figure 1, VCC = 4.75V to 5.25V (Note 3) (LTC1430I)
1
mV
IVCC
Supply Current (VCC Only)
Figure 2, VSHDN = VCC
q
350
700
µA
VSHDN = 0V
1
10
µA
IPVCC
Supply Current (PVCC)
Figure 2, PVCC = 5V, VSHDN = VCC (Note 4)
1.5
mA
VSHDN = 0V
0.1
µA
fOSC
Internal Oscillator Frequency
FREQSET Floating (LTC1430C)
q
140
200
260
kHz
FREQSET Floating (LTC1430I)
q
130
200
300
kHz
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 5V unless otherwise noted. (Note 2)
Consult factory for Industrial and Military grade parts.
TJMAX = 150°C, θJA = 100°C/W (N8)
TJMAX = 150°C, θJA = 150°C/W (S8)
1
2
3
4
8
7
6
5
TOP VIEW
G1
PVCC1
GND
FB
G2
VCC/PVCC2
COMP
SHDN
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 70°C/W (N)
TJMAX = 150°C, θJA = 110°C/W (S)
1
2
3
4
5
6
7
8
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
N PACKAGE
16-LEAD PDIP
16
15
14
13
12
11
10
9
G1
PVCC1
PGND
GND
SENSE–
FB
SENSE+
SHDN
G2
PVCC2
VCC
IFB
IMAX
FREQSET
COMP
SS
(Note 1)
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
ELECTRICAL CHARACTERISTICS



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