LTC3765_15 Datasheet, PDF (2/24 Pages) Linear Technology – Active Clamp Forward Controller and Gate Driver

LTC3765
ABSOLUTE MAXIMUM RATINGS
(Note 1)
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
PIN CONFIGURATION
PGND 1
PG 2
V_CC 3
AG 4
I_SMAG 5
DELAY 6
II^SS–+
7
8
TOP VIEW
17
SGND
16 IN^–
15 IN⁺
14 NDRV
13 SSFLT
12 RUN
11 R_CORE
10 FS/UV
9 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 LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC 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 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.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
V_CC Supply
V_CCOP
V_CCUV
Operating Voltage Range
V_CC Undervoltage Lockout
V_CC Rising
V_CC Falling
Hysteresis
7.7
14.5
V
l 7.1
7.4
7.7
V
l 6.7
7.0
7.3
V
400
mV
V_CCLR
Linear Regulator Output Voltage
t_r(VCC)
Rise Time of V_CC
I_CP
NDRV Charge Pump Output Current
I_CC
DC Supply Current
V_RF
Rectifier Total Forward Drop
Run Control/Undervoltage Lockout (RUN)
(Note 4)
V_CC = 5V, V_NDRV = 8V
V_RUN = 1.5V (Note 5)
I_CC = 25mA (Note 6)
8.0
8.5
9.0
V
35
µs
35
µA
1.7
mA
1
V
V_RUN
I_HYST
I_RUN
RUN Pin Threshold
RUN Pin Hysteresis Current
RUN Pin Leakage Current
V_RUN Rising
V_RUN Falling
V_RUN = 1V
V_RUN = 1.5V
l 1.22 1.25 1.28
V
l 1.17 1.20 1.23
V
l 4.0
5.0
6.0
µA
–10
0
10
nA
3765fb
2
For more information www.linear.com/LTC3765