LTC1430A Просмотр технического описания (PDF) - Linear Technology
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LTC1430A Datasheet PDF : 24 Pages
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LTC1430A
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)
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
TOP VIEW
G1 1
PVCC1 2
GND 3
FB 4
8 G2
7 VCC/PVCC2
6 COMP
5 SHDN
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 150°C/W
ORDER
PART NUMBER
LTC1430ACS8
S8 PART MARKING
1430A
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
GN PACKAGE
S PACKAGE
16-LEAD PLASTIC SSOP 16-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 130°C/W (GN)
TJMAX = 150°C, θJA = 110°C/W (S)
Consult factory for Military grade parts.
ORDER
PART NUMBER
LTC1430ACGN
LTC1430AIGN
LTC1430ACS
ELECTRICAL CHARACTERISTICS
VCC = 5V, TA = 25°C (Note 2) unless otherwise noted.
SYMBOL
VCC
PVCC
VOUT
VFB
PARAMETER
Supply Voltage
PVCC1, PVCC2 Voltage
Output Voltage
Feedback Voltage
∆VOUT
IVCC
Output Load Regulation
Output Line Regulation
Supply Current (VCC Only)
IPVCC
Supply Current (PVCC)
fOSC
Internal Oscillator Frequency
CONDITIONS
LTC1430AC
MIN TYP MAX
q4
8
q3
13
Figure 1
3.30
SENSE+ and SENSE– Floating ,
VCOMP = 2.5V
q 1.25 1.265 1.28
Figure 1, IOUT = 0A to 10A
5
Figure 1, VCC = 4.75V to 5.25V
1
Figure 2, VSHDN = VCC
VSHDN = 0V
q
350 700
1 10
Figure 2, PVCC = 5V, VSHDN = VCC (Note 3)
1.5
VSHDN = 0V
0.1
FREQSET Floating
q 140 200 260
LTC1430AI
MIN TYP MAX
4
8
3
13
3.30
1.23 1.265 1.29
UNITS
V
V
V
V
5
mV
1
mV
350 700
µA
1 10
µA
1.5
mA
0.1
µA
130 200 300 kHz
2
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