LV5761V Просмотр технического описания (PDF) - SANYO -> Panasonic

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Компоненты Описание

производитель

LV5761V

1-channel Step-down Switching Regulator

SANYO -> Panasonic 

LV5761V

Electrical Characteristics at Ta = 25°C, VIN = 12V

Parameter

Symbol

Conditions

Reference voltage block

Internal reference voltage

Vref

5V power supply

VDD

Triangular waveform oscillator block

Oscillation frequency

Frequency variation

Oscillation frequency fold back

detection voltage

Oscillatory frequency after fold

back

ON/OFF circuit block

FOSC

FOSC DV

VOSC FB

FOSC FB

IC start-up voltage

IC off voltage

Soft start circuit block

VEN on

VEN off

Soft start source current

Soft start sink current

UVLO circuit block

ISS SC

ISS SK

UVLO lock release voltage

UVLO hysteresis

OCP circuit block

VUVLO

VUVLO H

OCP charge current

Error amplifier

IOCP

Input bias current

Error amplifier transconductance

Sink output current

Source output current

Current detection amplifier gain

IEA IN

GEA

IEA OSK

IEA OSC

GISNS

over current limiter circuit block

Reference current 1

Reference current 2

Over current detection comparator

offset voltage

Over current detection comparator

common mode input range

PWM comparator

ILIM1

ILIM2

VLIM OFS

Input threshold voltage

(fosc = 125kHz)

Vt max

Vt0

Maximum ON duty

DMAX

Output block

Output stage ON resistance

(the upper side)

Output stage ON resistance

(the under side)

Output stage ON current

(the upper side)

Output stage ON current

(the under side)

The whole device

RONH

RONL

IONH

IONL

Standby current

Mean consumption current

ICCS

ICCA

Including offset of E/A

IOUT = 0 to 5mA

RT = 220kΩ

VIN = 8 to 42V

FB voltage detection after SS ends

EN > 3.5V

EN < 1V, VDD = 5V

FB = 1.0V

FB = 0V

MODE = L (GND)

MODE = H (VIN)

Duty cycle = DMAX

Duty cycle = 0%

EN < 1V

EN > 3V

Ratings

Unit

min

typ

max

0.654

4.7

0.67

0.686

V

5.2

5.7

V

110

125

1

0.1

1/3FOSC

140 kHz

%

V

kHz

2.5

1.0

4

7.5

1000

-10%

-10%

-5

VIN-0.45

3.0

1.2

5

2

8.0

0.7

5

1400

-100

100

1.5

18.5

37.0

3.5

V

1.4

V

6 µA

mA

8.5

V

V

µA

100

1800

nA

µA/V

µA

µA

+10% µA

+10% µA

+5 mA

VIN

V

0.9

1.0

1.1

V

0.4

0.5

0.6

V

80

85

90

%

5

Ω

5

Ω

240

mA

240

mA

10 µA

3

mA

No.A1443-2/6

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