LTC4370CMS#TRPBF datasheet, PDF

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LTC4370CMS#TRPBF: DescriptionIC OR CTRLR N-CH 2CH 16MSOP; CategoryPower/power management The power supply circuit; File Size136KB，6 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LTC4370CMS#TRPBF Overview

IC OR CTRLR N-CH 2CH 16MSOP

LTC4370CMS#TRPBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Maker	Linear ( ADI )
Parts packaging code	MSOP
package instruction	TSSOP, TSSOP16,.19,20
Contacts	16
Manufacturer packaging code	MS
Reach Compliance Code	compliant
ECCN code	EAR99
Adjustable threshold	YES
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G16
JESD-609 code	e3
length	4.039 mm
Humidity sensitivity level	1
Number of channels	1
Number of functions	1
Number of terminals	16
Maximum operating temperature	70 °C
Minimum operating temperature
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP16,.19,20
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	12 V
Certification status	Not Qualified
Maximum seat height	1.1 mm
Maximum supply current (Isup)	2.8 mA
Maximum supply voltage (Vsup)	18 V
Minimum supply voltage (Vsup)	2.9 V
Nominal supply voltage (Vsup)	12 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	3 mm

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DEMO MANUAL DC1741A

LTC4370

Two-Supply Diode-OR

Current Balancing Controller

DESCRIPTION

Demonstration circuit DC1741A features the LTC4370, a

two supply diode-OR current sharing controller in a typical

2.9V to 18V, 16A sharing application.

The maximum MOSFET voltage drop V

= V

– OUT is

set with an external resistor, up to 600mV. A fast gate

turn-on reduces the load voltage droop during supply

switchover. If the input supply fails or is shorted, a fast

turn-off minimizes the transient reverse current.

Disabling the load sharing function turns the LTC4370

into a dual ideal diode controller.

Two enable input pins,

EN1

and

EN2,

allow enabling and

disabling each rail’s MOSFET individually while the MOS-

FETs’ inherent diodes create diode-OR connection when

the MOSFETs are disabled. The LTC4370 provides a rich

set of features to support shared current diode-ORed ap-

plications including:

• Load Sharing Between Two Supplies

• Elimination of the Need for Active Control of Input

Supplies

• Elimination of "Share Bus”

• Reverse Current Blocking

• Elimination of Shoot-Through Current During Start-Up

or Faults

Design files for this circuit board are available at

http://www.linear.com/demo

LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear

Technology Corporation. All other trademarks are the property of their respective owners.

PERFORMANCE SUMMARY

SYMBOL

CC(EXT)

CC(REG)

EA(OS)

m(EA)

ΔV

GATE

PARAMETER

IN1

and V

IN2

Input Voltage Operating Range

Specifications are at T

= 25°C

MIN

2.9

4.5

150

TYP

MAX

6.0

5.5

±2

–1.9

1.9

160

620

1.1

16.6

UNITS

μS

μA

CONDITIONS

With External V

Supply

External Supply Operating Range

Regulated Voltage

Error Amplifier Input Offset

Error Amplifier Gain

Forward Regulation Voltage (V

– V

OUT

)

MOSFET Gate Drive (GATE-V

)

GATE1, GATE2 Fast Pull-Up Current

GATE1, GATE2 Fast Down-Up Current

GATE1, GATE2 Off Pull-Down Current

EN1, EN2

Threshold Voltage

Maximum Continuous Load Current

IN1

, V

IN2

≤ V

=1.2V, V

= 5V

=12V

FWD

= 0.2V; I = 0, –1μA; Highest V

= 12V

FWD

= 0.2V; I = 0, –1μA; Highest V

= 2.9V

FWD

= 0.4V, ΔV

GATE

= 0V, CPO = 17V

FWD

= –2V, ΔV

GATE

= 5V,

Corresponding

=1V, ΔV

GATE

= 2.5V

Falling

FETON Transitions High

Sharing active, limited by SUM85N03 FET Dissipation

4.5

–0.9

0.9

580

0.28

–1.4

1.4

110

600

0.7

EN(TH)

OUT

ΔV

GATE(ON)

MOSFET On-Detect Threshold (GATE-V

)

dc1741af

LTC4370CMS#TRPBF Related Products

	LTC4370CMS#TRPBF	DC1741A	LTC4370CDE#TRPBF	LTC4370CDE#PBF	LTC4370CMS#PBF	LTC4370IDE#PBF	LTC4370IDE#TRPBF	LTC4370IMS#TRPBF	LTC4370IMS#PBF
Description	IC OR CTRLR N-CH 2CH 16MSOP	board eval for ltc4370	IC OR CTRLR N-CH 2CH 16DFN	IC OR CTRLR LOAD SHARE 16DFN	IC OR CTRLR LOAD SHARE 16MSOP	IC OR CTRLR LOAD SHARE 16DFN	IC OR CTRLR N-CH 2CH 16DFN	IC OR CTRLR N-CH 2CH 16MSOP

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