LTC1703CG 查看數據表（PDF） - Linear Technology
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LTC1703CG
Linear Technology
LTC1703CG Datasheet PDF : 36 Pages
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LTC1703
ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage
VCC ........................................................................................... 7V
BOOSTn ............................................................... 15V
BOOSTn – SWn .................................................... 7V
Input Voltage
SWn .......................................................... – 1V to 8V
VIDn ....................................................... – 0.3V to 7V
All Other Inputs ......................... – 0.3V to VCC + 0.3V
Peak Output Current < 10µs
TGn, BGn ............................................................... 5A
Operating Temperature Range
LTC1703C .............................................. 0°C to 85°C
LTC1703I ........................................... – 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
PVCC 1
BOOST1 2
BG1 3
TG1 4
SW1 5
IMAX1 6
FCB 7
RUN/SS1 8
COMP1 9
SGND 10
FB1 11
SENSE 12
VID0 13
VID1 14
TOP VIEW
28 IMAX2
27 BOOST2
26 BG2
25 TG2
24 SW2
23 PGND
22 FAULT
21 RUN/SS2
20 COMP2
19 FB2
18 VCC
17 VID4
16 VID3
15 VID2
G PACKAGE
28-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 55°C/ W
ORDER PART
NUMBER
LTC1703CG
LTC1703IG
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
VCC = 5V unless otherwise specified. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX
Main Control Loop
VCC
VCC Supply Voltage
PVCC
PVCC Supply Voltage
BVCC
BOOST Pin Voltage
ICC
VCC Supply Current
(Note 2)
VBOOST – VSW (Note 2)
Test Circuit 1
RUN/SS1 = RUN/SS2 = 0V (Note 5)
●
3
7
●
3
7
● 2.7
7
●
2.2
8
●
30
100
IPVCC
PVCC Supply Current
Test Circuit 1 (Note 4)
●
RUN/SS1 = RUN/SS2 = 0V (Note 5)
●
2.2
6
6
100
IBOOST
BOOST Pin Current
Test Circuit 1 (Note 4)
RUN/SS1 = RUN/SS2 = 0V
●
1.3
3
●
0.1
10
VFB
Feedback Voltage
Test Circuit 1, LTC1703C
Test Circuit 1, LTC1703I
● 0.792 0.800 0.808
● 0.790 0.800 0.810
∆VFB
IFB
∆VOUT
VFCB
∆VFCB
IFCB
VRUN
ISS
Feedback Voltage Line Regulation
Feedback Current
Output Voltage Load Regulation
FCB Threshold
FCB Feedback Hysteresis
FCB Pin Current
RUN/SS Pin RUN Threshold
Soft Start Source Current
VCC = 3V to 7V
FB2 Only (Note 8)
(Note 6)
RUN/SSn = 0V
●
±0.005 ±0.05
●
±0.001 ±1
●
0.1
± 0.2
● 0.75
0.8
0.85
20
●
±0.001 ±1
● 0.45 0.55 0.65
– 1.5 – 3.5 – 5.5
2
UNITS
V
V
V
mA
µA
mA
µA
mA
µA
V
V
%/V
µA
%
V
mV
µA
V
µA
1703fa
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