CS5127GDWR16 Просмотр технического описания (PDF) - Cherry semiconductor

Номер в каталоге

Компоненты Описание

Список матч

CS5127GDWR16

Dual Output Nonsynchronous Buck Controller with Sync Function and Second Channel Enable

Cherry semiconductor 

Absolute Maximum Ratings

Operating Junction Temperature, TJ..................................................................................................................................... 150¡C

Storage Temperature Range, TS...................................................................................................................................-65 to 150¡C

ESD (Human Body Model).........................................................................................................................................................2kV

Lead Temperature Soldering: Reflow (SMD styles only).............................................60 sec. max above 183¡C, 230¡C peak

Lead Symbol

SYNC

CT

RT

VFB1, VFB2

COMP1, COMP2

VFFB1, VFFB2

GATE1, GATE2

Lead Name

Oscillator Synchronization Input

Oscillator Integrating Capacitor

Oscillator Charge Current Resistor

Voltage Feedback Inputs

Error Amplifier Outputs

PWM Ramp Inputs

FET Gate Drive Outputs

LGnd

PGnd

ENABLE

VREF

VIN

Reference Ground and IC Substrate

Power Ground

Channel 2 Enable

Reference Voltage Output

Power Supply Input

VMAX

5.5V

5.5V

5.5V

5.5V

7.5V

5.5V

20V

0V

0V

5.5V

5.5V

20V

VMIN

-0.3V

-0.3V

-0.3V

-0.3V

-0.3V

-0.3V

-0.3V DC,

-2.0V for

t < 50ns

0V

0V

-0.3V

-0.3V

-0.3V

ISOURCE

5 mA

1mA

1mA

N/A

2mA

1mA

200mA DC,

1A peak

(t < 100µs)

25 mA

1A Peak,

200mA DC

1mA

150mA

(short circuit)

N/A

ISINK

5 mA

1mA

1mA

N/A

50mA

1mA

200mA DC,

1A peak

(t < 100µs)

N/A

N/A

N/A

5mA

200mA DC,

1A peak

(t < 100µs)

Electrical Characteristics: 0¡C < TA < 70¡C; 0¡C < TJ < 125¡C; 9.4V < VIN < 20V; CT = 330 pF; RT = 27k½;

unless otherwise stated.

PARAMETER

s Reference Section

VREF Output Voltage

Line Regulation

Load Regulation

VREF Variation over Line, Load

and Temperature

Output Short Circuit Current

TEST CONDITIONS

Room Temperature,

IVREF = 1mA, VIN = 12V

1 mA < IVREF < 10 mA

MIN

TYP

MAX

UNIT

4.9

5.0

5.1

V

1

20

mV

15

26

mV

4.85

5.15

V

30

100

150

mA

s Oscillator Section

Oscillator Frequency Variation

over Line and Temperature

Maximum Duty Cycle

Sync Threshold

Sync Bias Current

Sync Propagation Delay

VSYNC = 2.4V

VSYNC = 5.0V

175

210

245

kHz

80

90

98

%

0.8

1.6

2.4

V

170

250

µA

430

750

230

ns

2

Share Link: