參數(shù)資料
型號: LTC1709EG-9
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(shù): 3/28頁
文件大?。?/td> 319K
代理商: LTC1709EG-9
3
LTC1709-7
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
I
Q
PARAMETER
Input DC Supply Current
Normal Mode
Shutdown
Soft-Start Charge Current
RUN/SS Pin ON Arming
RUN/SS Pin Latchoff Arming
RUN/SS Discharge Current
Shutdown Latch Disable Current
Total Sense Pins Source Current
Maximum Duty Factor
Top Gate Transition Time:
Rise Time
Fall Time
Bottom Gate Transition Time:
Rise Time
Fall Time
Top Gate Off to Bottom Gate On Delay
Synchronous Switch-On Delay Time
Bottom Gate Off to Top Gate On Delay
Top Switch-On Delay Time
Minimum On-Time
Internal V
CC
Regulator
V
INTVCC
Internal V
CC
Voltage
V
LDO
INT
INTV
CC
Load Regulation
V
LDO
EXT
EXTV
CC
Voltage Drop
V
EXTVCC
EXTV
CC
Switchover Voltage
V
LDOHYS
EXTV
CC
Switchover Hysteresis
VID Parameters
V
BIAS
Operating Supply Voltage Range
R
ATTEN
Resistance Between ATTENIN
and ATTENOUT Pins
ATTEN
ERR
Resistive Divider Error
R
PULLUP
VID0 to VID4 Pull-Up Resistance
VID
THLOW
VID0 to VID4 Logic Threshold Low
VID
THHIGH
VID0 to VID4 Logic Threshold High
VID
LEAK
VID0 to VID4 Leakage
Oscillator and Phase-Locked Loop
f
NOM
Nominal Frequency
f
LOW
Lowest Frequency
f
HIGH
Highest Frequency
R
PLLIN
PLLIN
Input Resistance
I
PLLFLTR
Phase Detector Output Current
Sinking Capability
Sourcing Capability
R
RELPHS
Controller 2-Controller 1 Phase
CONDITIONS
(Note 5)
EXTV
CC
Tied to V
OUT
, V
OUT
= 5V
V
RUN/SS
= 0V
V
RUN/SS
= 1.9V
V
RUN/SS
Rising
V
RUN/SS
Rising from 3V
Soft Short Condition V
EAIN
= 0.5V, V
RUN/SS
= 4.5V
V
EAIN
= 0.5V
Each Channel: V
SENSE1
, 2
– = V
SENSE1
+
, 2
+ = 0V
In Dropout
(Note 6)
C
LOAD
= 3300pF
C
LOAD
= 3300pF
(Note 6)
C
LOAD
= 3300pF
C
LOAD
= 3300pF
C
LOAD
= 3300pF Each Driver (Note 6)
MIN
TYP
MAX
UNITS
470
20
–1.2
1.5
4.1
2
1.6
–60
99.5
μ
A
μ
A
μ
A
V
V
μ
A
μ
A
μ
A
%
40
I
RUN/SS
V
RUN/SS
V
RUN/SSLO
I
SCL
I
SDLHO
I
SENSE
DF
MAX
–0.5
1.0
1.9
4.5
4
5
0.5
–85
98
TG1, 2 t
r
TG1, 2 t
f
30
40
90
90
ns
ns
BG1, 2 t
r
BG1, 2 t
f
TG/BG t
1D
30
20
90
90
90
ns
ns
ns
BG/TG t
2D
C
LOAD
= 3300pF Each Driver (Note 6)
90
ns
t
ON(MIN)
Tested with a Square Wave (Note 7)
180
ns
6V < V
IN
< 30V, V
EXTVCC
= 4V
I
CC
= 0 to 20mA, V
EXTVCC
= 4V
I
CC
= 20mA, V
EXTVCC
= 5V
I
CC
= 20mA, EXTV
CC
Ramping Positive
I
CC
= 20mA, EXTV
CC
Ramping Negative
4.8
5.0
0.2
80
4.7
0.2
5.2
1.0
160
V
%
mV
G
4.5
V
V
2.7
5.5
V
10
k
G
–0.25
–0.25
%
k
(Note 8)
40
0.4
V
V
1.6
V
BIAS
< VID0–VID4 < 7V
1
μ
A
V
PLLFLTR
= 1.2V
V
PLLFLTR
= 0V
V
PLLFLTR
2.4V
190
120
280
220
140
310
50
250
160
360
kHz
kHz
kHz
k
f
PLLIN
< f
OSC
f
PLLIN
> f
OSC
–15
15
180
μ
A
μ
A
Deg
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