LTC1430CN Ver la hoja de datos (PDF) - Linear Technology
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LTC1430CN Datasheet PDF : 16 Pages
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LTC1430
ABSOLUTE AXI U RATI GS (Note 1)
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
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
G1 1
PVCC1 2
GND 3
FB 4
8 G2
7 VCC/PVCC2
6 COMP
5 SHDN
N8 PACKAGE
8-LEAD PDIP
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 100°C/W (N8)
TJMAX = 150°C, θJA = 150°C/W (S8)
ORDER
PART NUMBER
LTC1430CN8
LTC1430CS8
S8 PART MARKING
1430
Consult factory for Industrial and Military grade parts.
TOP VIEW
G1 1
PVCC1 2
PGND 3
GND 4
SENSE– 5
FB 6
SENSE+ 7
SHDN 8
16 G2
15 PVCC2
14 VCC
13 IFB
12 IMAX
11 FREQSET
10 COMP
9 SS
N PACKAGE
16-LEAD PDIP
S PACKAGE
16-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 70°C/W (N)
TJMAX = 150°C, θJA = 110°C/W (S)
ORDER
PART NUMBER
LTC1430CN
LTC1430CS
LTC1430IS
ELECTRICAL CHARACTERISTICS 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)
SYMBOL
VCC
PVCC
VOUT
VFB
PARAMETER
Supply Voltage
PVCC1, PVCC2
Output Voltage
Feedback Voltage
∆VOUT
Output Load Regulation
Output Line Regulation
IVCC
IPVCC
fOSC
Supply Current (VCC Only)
Supply Current (PVCC)
Internal Oscillator Frequency
CONDITIONS
MIN TYP MAX
q
4
8
q
13
Figure 1
q
3.30
Figure 1, SENSE+ and SENSE– Floating (LTC1430C) q 1.25 1.265 1.28
Figure 1, SENSE+ and SENSE– Floating (LTC1430I) q 1.23 1.265 1.29
Figure 1, IOUT = 0A to 10A (Note 3) (LTC1430C)
q
Figure 1, IOUT = 0A to 10A (Note 3) (LTC1430I)
5
20
5
Figure 1, VCC = 4.75V to 5.25V (Note 3) (LTC1430C) q
Figure 1, VCC = 4.75V to 5.25V (Note 3) (LTC1430I)
1
5
1
Figure 2, VSHDN = VCC
VSHDN = 0V
q
350
700
1
10
Figure 2, PVCC = 5V, VSHDN = VCC (Note 4)
1.5
VSHDN = 0V
0.1
FREQSET Floating (LTC1430C)
FREQSET Floating (LTC1430I)
q 140 200 260
q 130 200 300
UNITS
V
V
V
V
V
mV
mV
mV
mV
µA
µA
mA
µA
kHz
kHz
2
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