LTC4090(RevA) View Datasheet(PDF) - Linear Technology

Part Name

Description

MFG CO.

LTC4090
(Rev.:RevA)

USB Power Manager with 2A High Voltage Bat-Track Buck Regulator

Linear Technology 

LTC4090/LTC4090-5

TYPICAL PERFORMANCE CHARACTERISTICS

LTC4090 Input Connect

Waveforms

VIN

5V/DIV

VOUT

5V/DIV

IIN

0.5A/DIV

IBAT

0.5A/DIV

VBAT = 3.85V

IOUT = 100mA

1ms/DIV

LTC4090 Input Disconnect

Waveforms

LTC4090 Response to Suspend

VIN

5V/DIV

VOUT

5V/DIV

IIN

0.5A/DIV

IBAT

0.5A/DIV

4090 G21

VBAT = 3.85V

IOUT = 100mA

1ms/DIV

4090 G22

SUSP

5V/DIV

VOUT

5V/DIV

IIN

0.5A/DIV

IBAT

0.5A/DIV

VBAT = 3.85V

IOUT = 50mA

1ms/DIV

4090 G23

LTC4090 High Voltage Input

Connect Waveforms

VHVIN

10V/DIV

VOUT

5V/DIV

IHVIN

1A/DIV

IBAT

1A/DIV

VBAT = 3.85V

IOUT = 100mA

2ms/DIV

4090 G24

LTC4090 High Voltage Input

Disconnect Waveforms

LTC4090 Response to HPWR

VHVIN

5V/DIV

VOUT

5V/DIV

IHVIN

1A/DIV

IBAT

1A/DIV

VBAT = 3.85V

IOUT = 100mA

2ms/DIV

HPWR

5V/DIV

IIN

0.5A/DIV

IBAT

0.5A/DIV

4090 G25

VBAT = 3.85V

IOUT = 50mA

100μs/DIV

4090 G26

LTC4090 High Voltage Regulator

Load Transient

LTC4090 High Voltage Regulator

Load Transient

HVOUT

50mV/DIV

HVOUT

50mV/DIV

IOUT

1A/DIV

IL

1A/DIV

25μs/DIV

ILOAD = 500mA

4090 G27

25μs/DIV

ILOAD = 500mA

4090 G28

4090fa

8

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