參數(shù)資料
型號: LTC1735IGN
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 3 A SWITCHING CONTROLLER, 335 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 0.150 INCH, PLASTIC, SSOP-16
文件頁數(shù): 2/32頁
文件大?。?/td> 373K
代理商: LTC1735IGN
2
LTC1735
ABSOLUTEW
(Note 1)
Input Supply Voltage (V
IN
).........................36V to –0.3V
Topside Driver Supply Voltage (BOOST)....42V to –0.3V
Switch Voltage (SW) ....................................36V to –5V
EXTV
CC
Voltage ...........................................7V to –0.3V
Boosted Driver Voltage (BOOST – SW) .......7V to –0.3V
SENSE
+
, SENSE
Voltages ..........1.1 (INTV
CC
) to –0.3V
FCB Voltage ............................(INTV
CC
+ 0.3V) to –0.3V
I
TH
, V
OSENSE
Voltages ...............................2.7V to –0.3V
RUN/SS Voltages.........................................7V to –0.3V
Peak Driver Output Current <10
μ
s (TG, BG) .............. 3A
INTV
CC
Output Current ......................................... 50mA
Operating Ambient Temperature Range
LTC1735C ...............................................0
°
C to 85
°
C
LTC1735I............................................ –40
°
C to 85
°
C
Junction Temperature (Note 2).............................125
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
W
W
U
PACKAGE/ORDER IU
U
W
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 15V, V
RUN/SS
= 5V unless otherwise noted.
The
G
denotes specifications which apply over the full operating
ORDER PART
NUMBER
LTC1735CGN
LTC1735CS
LTC1735IGN
LTC1735IS
Consult factory for Military grade parts.
T
JMAX
= 125
°
C,
θ
JA
= 130
°
C/W (GN)
T
JMAX
= 125
°
C,
θ
JA
= 110
°
C/W (S)
TOP VIEW
S PACKAGE
16-LEAD PLASTIC SO
GN PACKAGE
16-LEAD NARROW
PLASTIC SSOP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
C
OSC
RUN/SS
I
TH
FCB
SGND
V
OSENSE
SENSE
SENSE
+
TG
BOOST
SW
V
IN
INTV
CC
BG
PGND
EXTV
CC
GN PART MARKING
1735
1735I
SYMBOL
Main Control Loop
I
VOSENSE
V
OSENSE
V
LINEREG
V
LOADREG
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Feedback Current
Feedback Voltage
Reference Voltage Line Regulation
Output Voltage Load Regulation
(Note 3)
(Note 3)
V
IN
= 3.6V to 30V (Note 3)
(Note 3)
Measured in Servo Loop; V
ITH
= 0.7V
Measured in Servo Loop; V
ITH
= 2V
In Dropout
–4
0.8
0.001
–25
0.808
0.02
nA
V
G
0.792
%/V
G
G
0.1
–0.1
99.4
1.3
0.8
–0.17
0.86
0.3
–0.3
%
%
%
DF Max
g
m
V
FCB
I
FCB
V
OVL
I
Q
Maximum Duty Factor
Transconductance Amplifier g
m
Forced Continuous Threshold
Forced Continuous Current
Feedback Overvoltage Lockout
Input DC Supply Current
Normal Mode
Shutdown
Run Pin Start Threshold
Run Pin Begin Latchoff Threshold
Soft-Start Charge Current
RUN/SS Discharge Current
98
mmho
G
0.76
0.84
–0.3
0.88
V
V
FCB
= 0.85V
μ
A
V
G
0.84
(Note 4)
450
15
1.5
4.1
–1.2
2
μ
A
μ
A
V
V
μ
A
μ
A
V
RUN/SS
= 0V
V
RUN/SS
, Ramping Positive
V
RUN/SS
, Ramping Positive
V
RUN/SS
= 0V
Soft Short Condition, V
OSENSE
= 0.5V,
V
RUN/SS
= 4.5V
Measured at V
IN
Pin (V
IN
Ramping Down)
V
OSENSE
= 0.7V
25
1.9
4.5
V
RUN/SS
V
RUN/SS
I
RUN/SS
I
SCL
1.0
–0.7
0.5
4
UVLO
V
SENSE(MAX)
Undervoltage Lockout
Maximum Current Sense Threshold
G
3.5
75
3.9
85
V
G
60
mV
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