參數(shù)資料
型號： LT3724EFE
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： 0.3 A SWITCHING CONTROLLER, 220 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 4.4 MM, PLASTIC, TSSOP-16
文件頁數(shù)： 2/24頁
文件大?。?/td> 240K
代理商： LT3724EFE
LT3724
2
3724f
Input Supply Voltage (V
IN
).........................65V to –0.3V
Boosted Supply Voltage (BOOST)..............80V to –0.3V
Switch Voltage (SW) ....................................65V to –1V
Differential Boost Voltage
(BOOST to SW) .....................................24V to –0.3V
Bias Supply Voltage (V
CC
) .........................24V to –0.3V
SENSE
+
and SENSE
–
Voltages...................40V to –0.3V
Differential Sense Voltage
(SENSE
+
to SENSE
–
) ..................................1V to –1V
BURST_EN Voltage....................................24V to –0.3V
V
C
, V
FB
, C
SS
, and SHDN Voltages ................5V to –0.3V
C
SS
and SHDN Pin Currents .................... 1mA to –1mA
Operating Junction Temperature Range (Note 2)
LT3724E (Note 3)..............................–40
°
C to 125
°
C
LT3724I.............................................–40
°
C to 125
°
C
Storage Temperature.............................–65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ORDER PART
NUMBER
T
JMAX
= 125
°
C,
θ
= 40
°
C/W,
θ
= 10
°
C/W
EXPOSED PAD IS SGND (PIN 17)
MUST BE SOLDERED TO PCB
LT3724EFE
LT3724IFE
ABSOLUTEW
(Note 1)
W
W
U
PACKAGE/ORDER IU
U
W
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 20V, V
CC
= BOOST = BURST_EN = 10V, SHDN = 2V,
SENSE
–
= SENSE
+
= 10V, SGND = PGND = SW = 0V, unless otherwise noted.
The
●
denotes the specifications which apply over the full operating
SYMBOL
V
IN
PARAMETER
Operating Voltage Range (Note 4)
Minimum Start Voltage
UVLO Threshold (Falling)
UVLO Threshold Hysteresis
V
IN
Supply Current
V
IN
Burst Mode Current
V
IN
Shutdown Current
Operating Voltage Range
Operating Voltage Range (Note 5)
UVLO Threshold (Rising)
UVLO Threshold Hysteresis
BOOST Supply Current (Note 6)
BOOST Burst Mode Current
BOOST Shutdown Current
Operating Voltage Range (Note 5)
Output Voltage
UVLO Threshold (Rising)
UVLO Threshold Hysteresis
V
CC
Supply Current (Note 6)
V
CC
Burst Mode Current
V
CC
Shutdown Current
Short-Circuit Current
CONDITIONS
MIN
4
7.5
3.65
TYP
MAX
60
UNITS
●
●
●
V
V
V
3.8
670
20
20
9
3.95
mV
μ
A
μ
A
μ
A
I
VIN
V
CC
> 9V
V
BURST_EN
= 0V, V
FB
= 1.35V
V
SHDN
= 0V
●
15
75
20
V
BOOST
●
●
V
V
V
V
BOOST
- V
SW
V
BOOST
- V
SW
V
BOOST
- V
SW
5
400
1.4
0.1
0.1
mV
mA
μ
A
μ
A
I
BOOST
V
BURST_EN
= 0V
V
SHDN
= 0V
V
CC
●
●
20
8.3
V
V
V
Over Full Line and Load Range
8
6.25
500
1.7
80
20
–55
mV
mA
μ
A
μ
A
mA
I
VCC
●
2.1
V
BURST_EN
= 0V
V
SHDN
= 0V
●
–30
Consult LTC Marketing for parts specified with wider operating temperature ranges.
FE PACKAGE
16-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
TOP VIEW
16
15
14
13
12
11
10
9
V
IN
NC
SHDN
C
SS
BURST_EN
V
FB
V
C
SGND
BOOST
TG
SW
NC
V
CC
PGND
SENSE
+
SENSE
–
17
FE PART
MARKING
3724EFE
3724IFE
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