Datasheet
LTC3765
2
3765fb
For more information www.linear.com/LTC3765
The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T
A
= 25°C (Note 2). V
CC
= 12V unless otherwise noted.
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
V
CC
, NDRV Voltages ................................... –0.3V to 15V
(NDRV-V
CC
) Voltage ..................................... –0.3V to 6V
IN
+
, IN
–
, SSFLT Voltages ............................ –0.3V to 15V
I
SMAG
Voltage ................................................ –5V to 18V
RUN Voltage................................................–0.3V to 12V
DELAY, R
CORE
, FS/UV, I
S
+
, I
S
–
Voltages ....... –0.3V to 6V
Operating Junction Temperature Range (Notes 2, 3)
LTC3765E,LTC3765I .......................... –40°C to 125°C
LTC3765H .......................................... –40°C to 150°C
LTC3765MP ....................................... –55°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
(Note 1)
1
2
3
4
5
6
7
8
PGND
PG
V
CC
AG
I
SMAG
DELAY
I
S
–
I
S
+
16
15
14
13
12
11
10
9
IN
–
IN
+
NDRV
SSFLT
RUN
R
CORE
FS/UV
SGND
TOP VIEW
17
SGND
MSE PACKAGE
16-LEAD PLASTIC MSOP
T
JMAX
= 150°C, θ
JA
= 45°C/W, θ
JC
= 10°C/W
EXPOSED PAD (PIN 17) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3765EMSE#PBF LTC3765EMSE#TRPBF 3765 16-Lead Plastic MSOP –40°C to 125°C
LTC3765IMSE#PBF LTC3765IMSE#TRPBF 3765 16-Lead Plastic MSOP –40°C to 125°C
LTC3765HMSE#PBF LTC3765HMSE#TRPBF 3765 16-Lead Plastic MSOP –40°C to 150°C
LTC3765MPMSE#PBF LTC3765MPMSE#TRPBF 3765 16-Lead Plastic MSOP –55°C to 150°C
Consult LT C Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LT C Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
Supply
V
CCOP
Operating Voltage Range 7.7 14.5 V
V
CCUV
V
CC
Undervoltage Lockout V
CC
Rising
V
CC
Falling
Hysteresis
l
l
7.1
6.7
7.4
7.0
400
7.7
7.3
V
V
mV
V
CCLR
Linear Regulator Output Voltage (Note 4) 8.0 8.5 9.0 V
t
r(VCC)
Rise Time of V
CC
35 µs
I
CP
NDRV Charge Pump Output Current V
CC
= 5V, V
NDRV
= 8V 35 µA
I
CC
DC Supply Current V
RUN
= 1.5V (Note 5) 1.7 mA
V
RF
Rectifier Total Forward Drop I
CC
= 25mA (Note 6) 1 V
Run Control/Undervoltage Lockout (RUN)
V
RUN
RUN Pin Threshold V
RUN
Rising
V
RUN
Falling
l
l
1.22
1.17
1.25
1.20
1.28
1.23
V
V
I
HYST
RUN Pin Hysteresis Current V
RUN
= 1V
l
4.0 5.0 6.0 µA
I
RUN
RUN Pin Leakage Current V
RUN
= 1.5V –10 0 10 nA