參數(shù)資料
型號： 3710EFE
廠商： Linear Technology Corporation
英文描述： Secondary Side Synchronous Post Regulator
中文描述： 二次側(cè)同步后穩(wěn)壓器
文件頁數(shù)： 2/12頁
文件大?。?/td> 226K
代理商： 3710EFE
LT3710
2
3710f
V
CC
Supply Voltage.................................................. 26V
BOOST Pin Voltage With Respect to SW pin ........... 10V
BOOST Pin Voltage With Respect to GND pin.......... 35V
SYNC Pin Voltage .................................................... 30V
Operating Junction Temperature Range
(Notes 2, 3) ...................................... –40
°
C to 125
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
Note: If higher than 30V on SYNC pin is needed, add a 10k resistor in series with the pin.
ORDER PART
NUMBER
T
JMAX
= 125
°
C,
θ
JA
= 38
°
C/W
EXPOSED PAD IS SGND (PIN 17) MUST BE
CONNECTED TO PGND AND SOLDERED TO PCB
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LT3710EFE
ABSOLUTEW
(Note 1)
W
W
U
PACKAGE/ORDER IU
U
W
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 11V, operating maximum V
CC
= 24V, no load on any outputs
unless otherwise noted.
The
G
denotes the specifications which apply over the full operating
1
2
3
4
5
6
7
8
TOP VIEW
FE PACKAGE
16-LEAD PLASTIC TSSOP
16
15
14
13
12
11
10
9
BOOST
TGATE
SW
CSET
SYNC
ILCOMP
SS
V
FB
GBIAS
BGATE
PGND
V
CC
CL
–
CL
+
VA
OUT
BGS
17
PARAMETER
Overall
Supply Voltage (V
CC
)
Supply Current (I
VCC
)
Boost Pin Current
CONDITIONS
MIN
TYP
MAX
UNITS
G
8
24
12
V
VA
OUT
≤
1.2V (Switching Off)
V
BOOST
= V
SW
+ 8V, 0V
≤
V
SW
≤
24V
TGATE High
TGATE Low
7
mA
2
2
3
3
mA
mA
Voltage Amplifier VA
Reference Voltage (V
REF
)
0.788
0.780
0.8
0.812
0.820
0.5
V
V
G
FB Pin Input Current
VA
OUT
High
VA
OUT
Low
VA
OUT
Source Current
Open-Loop Gain
V
FB
= V
REF
0.2
4.5
0.8
μ
A
V
V
μ
A
dB
G
100
300
100
Gain Bandwidth Product
Soft-Start Current
Current Limit Amplifier CA1
Current Limit Threshold at (V
CL+
– V
CL–
)
BGATE Off Threshold at (V
CL+
– V
CL–
), BGS Pin Float
Switching Off Threshold at ILCOMP
Input Current (CL
+
, CL
–
)
10
12
MHz
μ
A
5
18
Common Mode Voltage from 0V to V
CC
– 2.5V
Common Mode Voltage from 0V to V
CC
– 2.5V
V
ILCOMP
V
CL+
= V
CL–
G
50
0
70
8
85
15
0.15
mV
mV
V
100
μ
A
FE PART
MARKING
3710EFE
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