LT8410EDC-1#TRPBF Linear Technology, LT8410EDC-1#TRPBF Datasheet

IC CONV BOOST LP 8MA 8-DFN

LT8410EDC-1#TRPBF

Manufacturer Part Number
LT8410EDC-1#TRPBF
Description
IC CONV BOOST LP 8MA 8-DFN
Manufacturer
Linear Technology
Type
Step-Up (Boost)r
Datasheet

Specifications of LT8410EDC-1#TRPBF

Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
2.5 ~ 40 V
Voltage - Input
2.5 ~ 16 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-DFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Power - Output
-
Frequency - Switching
-

Available stocks

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Manufacturer
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Price
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Part Number:
LT8410EDC-1#TRPBFLT8410EDC-1
Manufacturer:
LT
Quantity:
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Part Number:
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LT8410EDC-1#TRPBFLT8410EDC-1#TRMPBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
LT8410EDC-1#TRPBFLT8410EDC-1#TRMPBF
Quantity:
2 000
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APPLICATIONS
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TYPICAL APPLICATION
*HIGHER VALUE CAPACITOR IS REQUIRED
FEATURES
V
2.5V to 16V
General Purpose Bias with Wide Input Voltage
WHEN THE V
IN
Sensor Power
RF Mems Relay Power
General Purpose Bias
Ultralow Quiescent Current
Comparator Built into SHDN Pin
Low Noise Control Scheme
Adjustable FB Reference Voltage
Wide Input Range: 2.5V to 16V
Wide Output Range: Up to 40V
Integrated Power NPN Switch
Integrated Schottky Diode
Integrated Output Disconnect
High Value (12.4M/0.4M) Feedback Resistors
Integrated
Built in Soft-Start (Optional Capacitor from V
to GND)
Overvoltage Protection for CAP and V
Tiny 8-Pin 2mm × 2mm DFN Package
8.5μA in Active Mode
0μA in Shutdown Mode
25mA Current Limit (LT8410)
8mA Current Limit (LT8410-1)
CHIP
ENABLE
2.2µF
IN
IS HIGHER THAN 5V
100µH
SHDN
V
GND
SW
CC
LT8410
V
CAP
V
FBP
OUT
REF
604k
412k
8410-1 TA01a
0.1µF
V
OUT
0.1µF
= 16V
0.1µF*
OUT
Pins
REF
10
8
6
4
2
0
0.01
Output Voltage Ripple
vs Load Current
V
IN
= 3.6V
LOAD CURRENT (mA)
0.1
DESCRIPTION
The LT
with integrated power switch, Schottky diode and output
disconnect circuitry. The parts control power delivery by
varying both the peak inductor current and switch off-
time. This control scheme results in low output voltage
ripple as well as high efficiency over a wide load range.
The quiescent current is a low 8.5μA, which is further
reduced to 0μA in shutdown. The internal disconnect
circuitry allows the output voltage to be blocked from the
input during shutdown. High value (12.4M/0.4M) resis-
tors are integrated on chip for output voltage detection,
significantly reducing input referred quiescent current. The
LT8410/ LT8410-1 also features a comparator built into the
SHDN pin, overvoltage protection for the CAP and V
pins, built in soft-start and comes in a tiny 8-pin 2mm ×
2mm DFN package.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. Hot Swap is a trademark of Linear Technology Corporation. All other
trademarks are the property of their respective owners. Protected by U.S. Patents, including
5481178, 6580258, 6304066, 6127815, 6498466, 6611131.
®
8410/LT8410-1 are ultralow power boost converters
Converter with Output
1
Ultralow Power Boost
8410-1 TA02
10
LT8410/LT8410-1
100
90
80
70
60
50
40
0.01
Efficiency vs Load Current
Disconnect
0.1
LOAD CURRENT (mA)
V
1
IN
= 3.6V
V
IN
= 12V
V
IN
10
= 5V
84101fb
8410-1 TA03
1
OUT
100

Related parts for LT8410EDC-1#TRPBF

LT8410EDC-1#TRPBF Summary of contents

Page 1

... SHDN pin, overvoltage protection for the CAP and V pins, built in soft-start and comes in a tiny 8-pin 2mm × 2mm DFN package. REF L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Pins Technology Corporation. Hot Swap is a trademark of Linear Technology Corporation. All other OUT trademarks are the property of their respective owners ...

Page 2

... LT8410EDC#PBF LT8410EDC#TRPBF LT8410IDC#PBF LT8410IDC#TRPBF LT8410EDC-1#PBF LT8410EDC-1#TRPBF LT8410IDC-1#PBF LT8410IDC-1#TRPBF 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: ...

Page 3

ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T PARAMETER Switch V CESAT Switch Leakage Current Schottky Forward Voltage Schottky Reverse Leakage PMOS Disconnect Current Limit PMOS Disconnect V – V CAP OUT V Resistor Divider Ratio OUT FBP Pin ...

Page 4

LT8410/LT8410-1 TYPICAL PERFORMANCE CHARACTERISTICS Output Voltage vs Temperature 1. 3.6V 16V CC OUT 0.75 LOAD = 0.5mA FIGURE 4 CIRCUIT 0.50 0.25 0 – 0.25 – 0.50 – 0.75 –1.00 – TEMPERATURE ...

Page 5

TYPICAL PERFORMANCE CHARACTERISTICS LT8410 Switching Waveform at No Load V VOLTAGE OUT 2mV/DIV AC COUPLED SW VOLTAGE 10V/DIV INDUCTOR CURRENT 10mA/DIV V = 3.6V 50µs/DIV 16V OUT LT8410 Switching Waveform at 3mA Load V VOLTAGE OUT 10mV/DIV ...

Page 6

LT8410/LT8410-1 TYPICAL PERFORMANCE CHARACTERISTICS Output Disconnect PMOS Current vs CAP to V Voltage Difference OUT 16V CAP LT8410 LT8410 CAP TO V VOLTAGE DIFFERENCE (V) OUT LT8410 Start-Up Waveforms ...

Page 7

PIN FUNCTIONS SHDN (Pin 1): Shutdown Pin. This pin is used to enable/ disable the chip. Drive below 0.3V to disable the chip. Drive above 1.45V to activate the chip. Do not float this pin. V (Pin 2): Input Supply ...

Page 8

LT8410/LT8410-1 OPERATION The LT8410 series utilizes a variable peak current, variable off-time control scheme to provide high efficiency over a wide output current range. The operation of the part can be better understood by referring to the Block Diagram. The ...

Page 9

APPLICATIONS INFORMATION or 0805 size capacitor will be adequate. A 0.1μF to 1μF capacitor placed on the CAP node is recommended to filter the inductor current, while a 0.1μF to 1μF capacitor placed on the V node will give excellent ...

Page 10

LT8410/LT8410-1 APPLICATIONS INFORMATION Step 4. Calculate the nominal output current: I • V • 0.7 IN(AVG OUT(NOM) V OUT Step 5. Derate output current: • 0 OUT OUT(NOM) For low output voltages the output ...

Page 11

APPLICATIONS INFORMATION Board Layout Considerations As with all switching regulators, careful attention must be paid to the PCB layout and component placement. To maximize efficiency, switch rise and fall times are made as short as possible. To prevent electromagnetic interference ...

Page 12

LT8410/LT8410-1 TYPICAL APPLICATIONS 100µH 2.5V to 16V C1 2.2µF SW CAP OUT LT8410 V REF TURN ON/OFF SHDN GND FBP C1: 2.2 F, 16V, X5R, 0603 C2: 0.1 F, 25V, X5R, 0603 C3: 0.1 ...

Page 13

TYPICAL APPLICATIONS 34V Output Converter with Wide Input Voltage 150µH 2.5V to 16V C1 2.2µF SW CAP OUT LT8410 V REF TURN ON/OFF SHDN GND FBP C1: 2.2 F, 16V, X5R, 0603 C2: 0.1 ...

Page 14

LT8410/LT8410-1 PACKAGE DESCRIPTION 2.55 ±0.05 0.64 ±0.05 1.15 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED PIN 1 BAR TOP MARK (SEE NOTE 6) 0.200 REF 14 DC Package 8-Lead ...

Page 15

... Revised Note 2 in Electrical Characteristics Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. LT8410/LT8410-1 ...

Page 16

... OUT(MAX 34V 25µA, I < 1µA, OUT(MAX ±40V 2.5mA, I < 1µA, OUT(MAX 36V 100µA, I < 1µA, OUT(MAX 40V 65µA, I < 1µA, OUT(MAX 40V 60µA, I < 1µA, OUT(MAX 0211 REV B • PRINTED IN USA  LINEAR TECHNOLOGY CORPORA TION 2008 84101fb ...

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