LTC1705 查看數據表（PDF） - Linear Technology
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LTC1705
Linear Technology
LTC1705 Datasheet PDF : 28 Pages
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LTC1705
ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage
VCC, PVCC, VINCLK .................................................. 6V
BOOSTC, BOOSTIO ............................................. 12V
BOOSTC – SWC, BOOSTIO – SWIO ....................... 6V
Input Voltage
SWC, SWIO ................................................ –1V to 6V
SENSEC, FBC, FBIO, VIDn ....... – 0.3V to (VCC + 0.3V)
PGOOD, RUN/SS,
IMAXC, IMAXIO .................................. – 0.3V to (VCC + 0.3V)
Peak Output Current <10µs
TGC, BGC .............................................................. 5A
TGIO, BGIO ....................................................... 1.25A
Operating Temperature Range (Note 2) .. – 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
IMAXIO 1
PVCC 2
BOOSTC 3
BGC 4
TGC 5
SWC 6
PGND 7
IMAXC 8
RUN/SS 9
COMPC 10
FBC 11
GND 12
SENSEC 13
VID0 14
28 BGIO
27 BOOSTIO
26 TGIO
25 SWIO
24 VINCLK
23 VOUTCLK
22 PGOOD
21 COMPIO
20 FBIO
19 VCC
18 VID4
17 VID3
16 VID2
15 VID1
ORDER PART
NUMBER
LTC1705EGN
GN PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 80°C/W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VCC = PVCC = BOOST = 5V, VINCLK = 3.3V unless otherwise specified. (Note 3)
SYMBOL PARAMETER
VCC
PVCC
BVCC
VINCLK
IVCC
VCC Supply Voltage
PVCC Supply Voltage
BOOST Pin Voltage
VINCLK Supply Voltage
VCC Supply Current
IPVCC PVCC Supply Current
IBOOST IBOOSTC + IBOOSTIO
IVINCLK VINCLK Supply Current
VSHDN RUN/SS Shutdown Threshold
ISS
RUN/SS Source Current
Core, I/O Supply Control Loops
VSENSEC
VFBC
VFBIO
dVFB
dVOUT
IFBIO
Output Voltage Accuracy
Core Feedback Voltage
I/O Feedback Voltage
Feedback Voltage Line Regulation
Output Voltage Load Regulation
I/O Feedback Input Current
CONDITIONS
MIN TYP MAX UNITS
q 3.15
5
5.5
V
(Note 4)
q 3.15
5
5.5
V
VBOOST – VSW (Note 4)
q 3.15
5
5.5
V
q3
3.3
5.5
V
Test Circuit 1
RUN/SS = 0V
q
4.5
8
mA
q
40
100
µA
VSENSEC = VFBIO = 0V, No Load at Drivers (Note 5) q
RUN/SS = 0V (Note 6)
q
2
6
mA
1
50
µA
VSENSEC = VFBIO = 0V, No Load at Drivers (Note 5) q
RUN/SS = 0V (Note 6)
q
2
6
mA
1
50
µA
IVOUTCLK = 0mA
RUN/SS = 0V
q
1
1.5
mA
q
4
30
µA
VRUN/SS ↑ (Rising Edge)
RUN/SS = 0V
q 0.2
0.5
V
–3
µA
Programmed from 0.9V to 2V
(Note 10)
VCC = 3.3V to 5.5V
(Note 7)
q –1.25
1.25
%
0.800
V
q 0.784 0.800 0.816
V
q
±0.01 ±0.1
%/V
q – 0.2 – 0.1
%
q
±1
µA
2
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