DC1355A datasheet, PDF - EEWORLD Datasheet

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DC1355A: Descriptiondemo board for ltc4221; CategoryDevelopment board/suite/development tools; File Size225KB，6 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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DC1355A Overview

demo board for ltc4221

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DEMO CIRCUIT 1355

LTC4221

QUICK START GUIDE

LTC4221 Dual Hot Swap Controller/Power Se-

quencer w/ Dual Speed, Dual Level Fault Pro-

tection

DESCRIPTION

Demonstration circuit DC1355 is a dual hot swap

circuit featuring the LTC4221 Dual Hot Swap

Controller / Power Sequencer with Dual Speed,

Dual Level Fault Protection

DC1355 facilitates evaluation of the LTC4221

performance characteristics including supply

ramp-up transients, steady state operation, and

overcurrent fault conditions. On board LEDs in-

dicate input supply presence, output state, and

power good conditions.

The first LTC4221 channel controls a rail from

2.7V to 13.5V and the second one from 1V to

13.5V with condition that V

CC2

≤

CC1.

DC1355 is assembled to operate with a +12V rail

with 6A maximum current and a +3.3V rail with

3.0A maximum current.

Design files for this circuit board are avail-

able. Call the LTC factory.

, LTC, LTM, LT, Burst Mode, OPTI-LOOP, Over-The-Top and PolyPhase are

registered trademarks of Linear Technology Corporation. Adaptive Power, C-

Load, DirectSense, Easy Drive, FilterCAD, Hot Swap, LinearView, µModule,

Micropower SwitcherCAD, Multimode Dimming, No Latency , No Latency

Delta-Sigma, No R

SENSE

, Operational Filter, PanelProtect, PowerPath, Power-

SOT, SmartStart, SoftSpan, Stage Shedding, SwitcherCAD, ThinSOT, UltraFast

and VLDO are trademarks of Linear Technology Corporation. Other product

names may be trademarks of the companies that manufacture the products.

PERFORMANCE SUMMARY

SYMBOL

CC1

CC2

CC1(UVL)

CC2(UVL)

SENSE(FC)

SENSE(SC)

SENSE(ACL)

GATE(UP)

GATE(DN)

GATE(FSTDN)

∆

VGATE

Specifications are at TA = 25°

CONDITIONS

CC2

≤

CC1

Rising

CC2

Rising

Channeln Fast Comparator Threshold

Channeln Slow Comparator Threshold

FBn

=0V

FBn

=0.65V

ON1

= V

ON1

=2V,

GATEn

=0V

ON1

= V

ON1

=0.6V, V

GATEn

=3.3V

UNLO with V

GATEn

=3.3V or

FAULT

latched with

GATEn

=3.3V

VGATEn

-V

CC1

for V

CC1

=2.7V, V

CC2

=1V

VGATEn

-V

CC1

for V

CC1

=3.3V, V

CC2

=2.5V

MIN

2.7

1.0

2.1

0.65

20.5

-7

PARAMETER

Supply Voltage Channel 1

Supply Voltage Channel 2

Undervoltage Lockout for Chan-

nel 1

Undervoltage Lockout for Chan-

nel 2

SENSEn Threshold Voltage

SENSEn Voltage at Active Cur-

rent Limit

GATEn Output Current

External N-Channel Gate Drive

TYP

2.5

0.8

100

-9.5

100

MAX

13.5

2.675

0.975

115

29.5

-120

125

UNITS

4.5

DC1355A Related Products

	DC1355A	LTC4221CGN#TR	LTC4221IGN#TR	LTC4221IGN#TRPBF	LTC4221CGN#TRPBF	LTC4221CGN#PBF	LTC4221IGN#PBF
Description	demo board for ltc4221	IC ctrlr hotswap dual 16ssop	IC ctrlr hotswap dual 16ssop	IC CTRLR HOTSWAP DUAL 16SSOP	IC CTRLR HOTSWAP DUAL 16SSOP	IC CTLR HOT SWAP DUAL 16SSOP	IC CTRLR HOTSWAP DUAL 16SSOP
Brand Name	-	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology	Linear Technology
Is it Rohs certified?	-	incompatible	incompatible	conform to	conform to	conform to	conform to
Parts packaging code	-	SSOP	SSOP	SSOP	SSOP	SSOP	SSOP
package instruction	-	SSOP, SSOP16,.25	SSOP, SSOP16,.25	SSOP, SSOP16,.25	SSOP, SSOP16,.25	SSOP, SSOP16,.25	SSOP, SSOP16,.25
Contacts	-	16	16	16	16	16	16
Manufacturer packaging code	-	GN	GN	GN	GN	GN	GN
Reach Compliance Code	-	_compli	_compli	compliant	compliant	compliant	compliant
ECCN code	-	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Adjustable threshold	-	NO	NO	NO	NO	NO	NO
Analog Integrated Circuits - Other Types	-	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	-	R-PDSO-G16	R-PDSO-G16	R-PDSO-G16	R-PDSO-G16	R-PDSO-G16	R-PDSO-G16
JESD-609 code	-	e0	e0	e3	e3	e3	e3
length	-	4.8895 mm	4.8895 mm	4.8895 mm	4.8895 mm	4.8895 mm	4.8895 mm
Humidity sensitivity level	-	1	1	1	1	1	1
Number of channels	-	2	2	2	2	2	2
Number of functions	-	1	1	1	1	1	1
Number of terminals	-	16	16	16	16	16	16
Maximum operating temperature	-	70 °C	85 °C	85 °C	70 °C	70 °C	85 °C
Package body material	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	-	SSOP	SSOP	SSOP	SSOP	SSOP	SSOP
Encapsulate equivalent code	-	SSOP16,.25	SSOP16,.25	SSOP16,.25	SSOP16,.25	SSOP16,.25	SSOP16,.25
Package shape	-	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	-	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH	SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	-	235	255	260	260	260	260
power supply	-	3.3,5 V	3.3,5 V	3.3,5 V	3.3,5 V	3.3,5 V	3.3,5 V
Certification status	-	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	-	1.75 mm	1.75 mm	1.75 mm	1.75 mm	1.75 mm	1.75 mm
Maximum supply voltage (Vsup)	-	13.5 V	13.5 V	13.5 V	13.5 V	13.5 V	13.5 V
Minimum supply voltage (Vsup)	-	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
Nominal supply voltage (Vsup)	-	5 V	5 V	5 V	5 V	5 V	5 V
surface mount	-	YES	YES	YES	YES	YES	YES
technology	-	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Temperature level	-	COMMERCIAL	INDUSTRIAL	INDUSTRIAL	COMMERCIAL	COMMERCIAL	INDUSTRIAL
Terminal surface	-	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)	Matte Tin (Sn)
Terminal form	-	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	-	0.635 mm	0.635 mm	0.635 mm	0.635 mm	0.635 mm	0.635 mm
Terminal location	-	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	-	20	40	30	30	30	30
width	-	3.899 mm	3.899 mm	3.899 mm	3.899 mm	3.899 mm	3.899 mm
Base Number Matches	-	-	-	1	1	1	1

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