Linear Technology LTC 3115-1, Datasheet

Page: 3 / 42

LTC3115-1
3
Rev. C
For more information www.analog.com
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL
PART
MARKING* PACKAGE DESCRIPTION
TEMPERATURE
RANGE
LTC3115EDHD-1#PBF LTC3115EDHD-1#TRPBF 31151 16-Lead (5mm
×
4mm) Plastic DFN –40°C to 125°C
LTC3115IDHD-1#PBF LTC3115IDHD-1#TRPBF 31151 16-Lead (5mm
×
4mm) Plastic DFN –40°C to 125°C
LTC3115EFE-1#PBF LTC3115EFE-1#TRPBF LTC3115FE-1 20-Lead Plastic TSSOP –40°C to 125°C
LTC3115IFE-1#PBF LTC3115IFE-1#TRPBF LTC3115FE-1 20-Lead Plastic TSSOP –40°C to 125°C
LTC3115HFE-1#PBF LTC3115HFE-1#TRPBF LTC3115FE-1 20-Lead Plastic TSSOP –40°C to 150°C
LTC3115MPFE-1#PBF LTC3115MPFE-1#TRPBF LTC3115FE-1 20-Lead Plastic TSSOP –55°C to 150°C
AUTOMOTIVE PRODUCTS**
LEAD FREE FINISH TAPE AND REEL TAPE AND REEL MINI
PART
MARKING* PACKAGE DESCRIPTION
TEMPERATURE
RANGE
LTC3115EDHD-1#WPBF LTC3115EDHD-1#WTRPBF LTC3115EDHD-1#WTRMPBF 31151 16-Lead (5mm
×
4mm) Plastic DFN –40°C to 125°C
LTC3115IDHD-1#WPBF LTC3115IDHD-1#WTRPBF LTC3115IDHD-1#WTRMPBF 31151 16-Lead (5mm
×
4mm) Plastic DFN –40°C to 125°C
Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Tape and reel specifications . Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
** Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These
models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your
local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for
these models.
The
l
denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are for T
A
= 25°C (Note 2). PV
IN
= V
IN
= 24V, PV
OUT
= 5V, unless otherwise noted.
ELECTRICAL CHARACTERISTICS
PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Operating Voltage
l
2.7 40 V
Output Operating Voltage
l
2.7 40 V
Input Undervoltage Lockout Threshold V
IN
Falling
V
IN
Rising
V
IN
Rising (0°C to 125°C)
l
l
2.4
2.6
2.7
2.8
2.725
V
V
V
Input Undervoltage Lockout Hysteresis 100 mV
V
CC
Undervoltage Lockout Threshold V
CC
Falling
l
2.4 2.6 V
V
CC
Undervoltage Lockout Hysteresis 200 mV
Input Current in Shutdown V
RUN
= 0V 3 10 µA
Input Quiescent Current in Burst Mode Operation V
FB
= 1.1V (Not Switching), V
PWM/SYNC
= Low 50 µA
Oscillator Frequency R
T
= 35.7k, V
PWM/SYNC
= High
l
900 1000 1100 kHz
Oscillator Operating Frequency V
PWM/SYNC
= High
l
100 2000 kHz
PWM/SYNC Clock Input Frequency
l
100 2000 kHz
PWM/SYNC Input Logic Threshold
l
0.5 1.0 1.5 V
Soft-Start Duration 9 ms
Feedback Voltage
l
977 1000 1017 mV
Feedback Voltage Line Regulation V
IN
= 2.7V to 40V 0.1 %
Feedback Pin Input Current 1 50 nA
RUN Pin Input Logic Threshold
l
0.3 0.8 1.1 V
RUN Pin Comparator Threshold V
RUN
Rising
l
1.16 1.21 1.26 V