參數(shù)資料
型號: LTC1703
廠商: Linear Technology Corporation
元件分類: 通用總線功能
英文描述: Synchronous 8-Bit Up/Down Binary Counters 24-PDIP 0 to 70
中文描述: 雙550kHz的同步二相開關(guān)穩(wěn)壓控制器5位VID
文件頁數(shù): 2/36頁
文件大?。?/td> 343K
代理商: LTC1703
2
LTC1703
(Note 1)
Supply Voltage
V
CC...........................................................................................
7V
BOOSTn............................................................... 15V
BOOSTn– SWn.................................................... 7V
Input Voltage
SWn .......................................................... –1V to 8V
VIDn....................................................... –0.3V to 7V
All Other Inputs ......................... –0.3V to V
CC
+ 0.3V
Peak Output Current < 10
μ
s
TGn BGn............................................................... 5A
Operating Temperature Range.................... 0
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ORDER PART
NUMBER
T
JMAX
= 125
°
C,
θ
JA
= 55
°
C/W
LTC1703CG
Consult factory for Industrial and Military grade parts.
SYMBOL
Main Control Loop
V
CC
PV
CC
BV
CC
I
CC
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
CC
Supply Voltage
PV
CC
Supply Voltage
BOOST Pin Voltage
V
CC
Supply Current
G
3
3
7
7
7
8
V
V
V
(Note 2)
V
BOOST
– V
SW
(Note 2)
Test Circuit 1
RUN/SS1 = RUN/SS2 = 0V (Note 5)
Test Circuit 1 (Note 4)
RUN/SS1 = RUN/SS2 = 0V (Note 5)
Test Circuit 1 (Note 4)
RUN/SS1 = RUN/SS2 = 0V
Test Circuit 1
V
CC
= 3V to 7V
FB2 Only (Note 8)
(Note 6)
G
G
2.7
G
G
2.2
30
2.2
6
1.3
0.1
0.800
±
0.005
±
0.001
0.1
0.8
20
±
0.001
0.55
–3.5
mA
μ
A
mA
μ
A
mA
μ
A
100
6
100
3
10
0.808
±
0.05
±
1
±
0.2
0.85
IPV
CC
PV
CC
Supply Current
G
G
I
BOOST
BOOST Pin Current
G
G
V
FB
V
FB
I
FB
V
OUT
V
FCB
V
FCB
I
FCB
V
RUN
I
SS
Feedback Voltage
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
G
0.792
V
G
%/V
μ
A
G
G
%
V
G
0.75
mV
μ
A
G
±
1
0.65
–5.5
G
0.45
–1.5
V
RUN/SSn= 0V
μ
A
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C.
V
CC
= 5V unless otherwise specified. (Note 3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PV
CC
BOOST1
BG1
TG1
SW1
I
MAX1
FCB
RUN/SS1
COMP1
SGND
FB1
SENSE
VID0
VID1
I
MAX2
BOOST2
BG2
TG2
SW2
PGND
FAULT
RUN/SS2
COMP2
FB2
V
CC
VID4
VID3
VID2
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
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