參數資料
型號: LTC1709EG-8
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 DUAL SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO36
封裝: 0.209 INCH, PLASTIC, SSOP-36
文件頁數: 2/28頁
文件大?。?/td> 319K
代理商: LTC1709EG-8
2
LTC1709-7
ORDER PART
NUMBER
LTC1709EG-7
ABSOLUTEW
(Note 1)
Input Supply Voltage (V
IN
).........................36V to –0.3V
Topside Driver Voltages (BOOST1,2).........42V to –0.3V
Switch Voltage (SW1, 2) .............................36V to –5 V
SENSE1
+
, SENSE2
+
, SENSE1
,
SENSE2
Voltages ...................(1.1)INTV
CC
to –0.3V
EAIN, V
OS+
, V
OS–
, EXTV
CC
, INTV
CC
, RUN/SS,
V
BIAS
, ATTENIN, ATTENOUT, PGOOD,
VID0–VID4, Voltages...............................7V to –0.3V
Boosted Driver Voltage (BOOST-SW) ..........7V to –0.3V
PLLFLTR, PLLIN, V
DIFFOUT
,
FCB Voltages ................................... INTV
CC
to –0.3V
I
TH
Voltage................................................2.7V to –0.3V
Peak Output Current <1
μ
s(TGL1,2, BG1,2)................ 3A
INTV
CC
RMS Output Current................................ 50mA
Operating Ambient Temperature Range
(Note 2).............................................. –40
°
C to 85
°
C
Junction Temperature (Note 3).............................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
T
JMAX
= 125
°
C,
θ
JA
= 85
°
C/W
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 15V, V
BIAS
= 5V, V
RUN/SS
= 5V unless otherwise noted.
The
G
denotes the specifications which apply over the full operating
SYMBOL
Main Control Loop
V
EAIN
V
SENSEMAX
I
INEAIN
V
LOADREG
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Regulated Feedback Voltage
Maximum Current Sense Threshold
Feedback Current
Output Voltage Load Regulation
I
TH
Voltage = 1.2V (Note 4)
V
SENSE–
= 5V
(Note 4)
(Note 4)
Measured in Servo Loop,
I
TH
Voltage: 1.2V to 0.7V
Measured in Servo Loop,
I
TH
Voltage: 1.2V to 2V
V
IN
= 3.6V to 30V (Note 4)
G
0.792
62
0.800
75
–5
0.808
88
–50
V
G
mV
nA
G
G
0.1
–0.1
0.002
0.8
–0.17
4.3
0.5
–0.5
0.02
0.84
–1
4.8
%
%
V
REFLNREG
V
FCB
I
FCB
V
BINHIBIT
Reference Voltage Line Regulation
Forced Continuous Threshold
Forced Continuous Current
Burst Inhibit (Constant Frequency)
Threshold
Output Overvoltage Threshold
Undervoltage Lockout
Transconductance Amplifier g
m
Transconductance Amplifier Gain
%/V
G
0.76
V
μ
A
V
Measured at FCB pin
V
OVL
UVLO
g
m
g
mOL
Measured at V
EAIN
V
IN
Ramping Down
I
TH
= 1.2V, Sink/Source 5
μ
A (Note 4)
I
TH
= 1.2V, (g
m
×
Z
L
; No Ext Load) (Note 4)
G
0.84
3
0.86
3.5
3
1.5
0.88
4
V
V
mmho
V/mV
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
TOP VIEW
G PACKAGE
36-LEAD PLASTIC SSOP
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
RUNN/SS
SENSE1
+
SENSE1
EAIN
PLLFLTR
PLLIN
FCB
I
TH
SGND
V
DIFFOUT
V
OS–
V
OS+
SENSE2
SENSE2
+
ATTENOUT
ATTENIN
VID0
VID1
NC
TG1
SW1
BOOST1
V
IN
BG1
EXTV
CC
INTV
CC
PGND
BG2
BOOST2
SW2
TG2
PGOOD
V
BIAS
VID4
VID3
VID2
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