LTC1702AIGN 查看數據表（PDF） - Linear Technology
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LTC1702AIGN Datasheet PDF : 36 Pages
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LTC1702A
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Supply Voltage
VCC ........................................................................................... 7V
BOOSTn ............................................................... 15V
BOOSTn – SWn .................................................... 7V
Input Voltage
SWn .......................................................... – 1V to 8V
All Other Inputs ......................... – 0.3V to VCC + 0.3V
Peak Output Current < 10µs
TGn, BGn ............................................................... 5A
Operating Temperature Range
LTC1702AC ............................................. 0°C to 70°C
LTC1702AI ........................................ – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
PVCC 1
BOOST1 2
BG1 3
TG1 4
SW1 5
IMAX1 6
PGOOD1 7
FCB 8
RUN/SS1 9
COMP1 10
SGND 11
FB1 12
24 IMAX2
23 BOOST2
22 BG2
21 TG2
20 SW2
19 PGND
18 PGOOD2
17 FAULT
16 RUN/SS2
15 COMP2
14 FB2
13 VCC
GN PACKAGE
24-LEAD NARROW PLASTIC SSOP
TJMAX = 125°C, θJA = 100°C/ W
ORDER PART NUMBER
LTC1702ACGN
LTC1702AIGN
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, CL = 0pF
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, CL = 0pF (Note 4)
●
RUN/SS1 = RUN/SS2 = 0V (Note 5)
●
2.2
6
6
100
IBOOST
BOOST Pin Current
Test Circuit 1, CL = 0pF (Note 4)
●
RUN/SS1 = RUN/SS2 = 0V
●
1.3
3
0.1
10
VFB
∆VFB
IFB
∆VOUT
Feedback Voltage
Feedback Voltage Line Regulation
Feedback Current
Output Voltage Load Regulation
Test Circuit 1, CL = 0pF, LTC1702AC
Test Circuit 1, CL = 0pF, LTC1702AI
VCC = 3V to 7V
(Note 6)
● 0.792 0.800 0.808
● 0.790 0.800 0.810
●
±0.005 ±0.05
●
±0.001 ±1
●
0.1
± 0.2
UNITS
V
V
V
mA
µA
mA
µA
mA
µA
V
V
%/V
µA
%
1702afa
2
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