LTC4080EMSE 查看數據表（PDF） - Linear Technology

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LTC4080EMSE

500mA Standalone Li-Ion Charger with Integrated 300mA Synchronous Buck

Linear Technology 

LTC4080

ABSOLUTE AXI U RATI GS (Note 1)

VCC, t < 1ms and Duty Cycle < 1%.............. – 0.3V to 7V

VCC Steady State ......................................... – 0.3V to 6V

BAT, ⎯C⎯H⎯R⎯G .................................................. – 0.3V to 6V

⎯E⎯N⎯_⎯C⎯H⎯R⎯G, PROG, ⎯A⎯C⎯P⎯R.................– 0.3V to VCC + 0.3V

MODE, EN_BUCK .......................... – 0.3V to VBAT + 0.3V

FB ............................................................... – 0.3V to 2V

BAT Short-Circuit Duration............................Continuous

BAT Pin Current ...................................................800mA

PROG Pin Current ....................................................2mA

Junction Temperature .......................................... .125°C

Operating Temperature Range (Note 2) .. – 40°C to 85°C

Storage Temperature Range.................. – 65°C to 125°C

Lead Temperature (MSE, Soldering, 10 sec)......... 300°C

PIN CONFIGURATION

TOP VIEW

BAT 1

VCC 2

EN_CHRG 3

PROG 4

ACPR 5

10 SW

9 EN_BUCK

11

8 MODE

7 FB

6 CHRG

DD PACKAGE

10-LEAD (3mm × 3mm) PLASTIC DFN

TJMAX = 110°C, θJA = 43°C/W (NOTE 3)

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB

BAT 1

VCC 2

EN_CHRG 3

PROG 4

ACPR 5

TOP VIEW

11

10 SW

9 EN_BUCK

8 MODE

7 FB

6 CHRG

MSE PACKAGE

10-LEAD PLASTIC MSOP

TJMAX = 125°C, θJA = 40°C/W

EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB

ORDER INFORMATION

LEAD FREE FINISH

TAPE AND REEL

PART MARKING

PACKAGE DESCRIPTION

LTC4080EDD#PBF

LTC4080EDD#TRPBF

LBXD

10-Lead (3mm × 3mm) Plastic DFN

LTC4080EMSE#PBF

LTC4080EMSE#TRPBF LTCQH

10-Lead Plastic MSOP

Consult LTC Marketing for parts specified with wider operating temperature ranges.

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/

TEMPERATURE RANGE

–40°C to 85°C

–40°C to 85°C

ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating tempera-

ture range, otherwise specifications are at TA = 25°C, VCC = 5V, VBAT = 3.8V, V⎯E⎯N⎯_⎯C⎯H⎯R⎯G = 0V, VEN_BUCK = VBAT, VMODE = 0V. (Note 2)

SYMBOL

VCC

VBAT

ICC

ICC_SD

IBAT_SD

2

PARAMETER

CONDITIONS

MIN TYP MAX UNITS

Supply Voltage

(Note 4)

● 3.75

5

5.5

V

Input Voltage for the Switching

Regulator

(Note 5)

● 2.7

3.8

4.5

V

Quiescent Supply Current (Charger On, VBAT = 4.5V (Forces IBAT and IPROG = 0),

●

Switching Regulator Off)

VEN_BUCK = 0

Supply Current in Shutdown (Both

Battery Charger and Switching

Regulator Off)

V⎯E⎯N⎯_⎯C⎯H⎯R⎯G = 5V, VEN_BUCK = 0, VCC > VBAT

●

V⎯E⎯N⎯_⎯C⎯H⎯R⎯G = 4V, VEN_BUCK = 0, VCC (3.5V) <

VBAT (4V)

Battery Current in Shutdown (Both

Battery Charger and Switching

Regulator Off)

V⎯E⎯N⎯_⎯C⎯H⎯R⎯G = 5V, VEN_BUCK = 0, VCC > VBAT

●

V⎯E⎯N⎯_⎯C⎯H⎯R⎯G = 4V, VEN_BUCK = 0, VCC (3.5V) <

VBAT (4V)

110

300

μA

5

10

μA

2

μA

0.6

5

μA

2

μA

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