lt3710 Linear Technology Corporation, lt3710 Datasheet - Page 2

• Manufacturer Part Number: lt3710
• Description: Secondary Side Synchronous Post Regulator
• Manufacturer: Linear Technology Corporation

ABSOLUTE AXI U RATI GS
V
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
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.
LT3710
(Note 1)
temperature range, otherwise specifications are at T
unless otherwise noted.
PARAMETER
Overall
Supply Voltage (V
Supply Current (I
Boost Pin Current
Voltage Amplifier VA
Reference Voltage (V
FB Pin Input Current
VA
VA
VA
Open-Loop Gain
Gain Bandwidth Product
Soft-Start Current
Current Limit Amplifier CA1
Current Limit Threshold at (V
BGATE Off Threshold at (V
Switching Off Threshold at ILCOMP
Input Current (CL
2
ELECTRICAL CHARACTERISTICS
CC
OUT
OUT
OUT
(Notes 2, 3) ...................................... – 40 C to 125 C
Supply Voltage .................................................. 26V
High
Low
Source Current
VCC
+
CC
, CL
)
)
REF
–
)
W
)
CL
+
CL
– V
+
– V
CL
–
W W
CL
), BGS Pin Float
–
)
CONDITIONS
V
TGATE High
TGATE Low
V
Common Mode Voltage from 0V to V
Common Mode Voltage from 0V to V
V
V
U
VA
BOOST
FB
ILCOMP
CL
A
OUT
= 25 C. V
+
= V
= V
REF
= V
CL
The
1.2V (Switching Off)
–
SW
CC
+ 8V, 0V V
denotes the specifications which apply over the full operating
= 11V, operating maximum V
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ILCOMP
CONNECTED TO PGND AND SOLDERED TO PCB
SW
BOOST
TGATE
SYNC
EXPOSED PAD IS SGND (PIN 17) MUST BE
CSET
SW
V
SS
FB
24V
T
16-LEAD PLASTIC TSSOP
JMAX
1
2
3
4
5
6
7
8
CC
CC
= 125 C,
– 2.5V
– 2.5V
FE PACKAGE
TOP VIEW
17
JA
= 38 C/W
CC
16
15
14
13
12
11
10
9
= 24V, no load on any outputs
GBIAS
BGATE
PGND
V
CL
CL
VA
BGS
CC
0.788
0.780
MIN
100
–
+
OUT
50
8
5
0
U
TYP
100
100
0.8
0.2
4.5
0.8
10
12
70
7
2
2
8
ORDER PART
LT3710EFE
MARKING
W
NUMBER
FE PART
3710EFE
0.812
0.820
MAX
0.15
300
0.5
24
12
18
85
15
3
3
UNITS
U
MHz
3710f
mA
mA
mA
mV
mV
dB
V
V
V
A
V
V
A
A
V
A