PM6680A データシートの表示（PDF） - STMicroelectronics

部品番号

コンポーネント説明

一致するリスト

PM6680A

Dual synchronous step-down controller with adjustable output voltages plus LDO

STMicroelectronics 

PM6680A

4

Electrical characteristics

Electrical characteristics

Table 5.

Symbol

Electrical characteristics

TA = -40 °C to 125 °C, unless otherwise specified. All parameters at operating temperature

extremes are guaranteed by design and statistical analysis (not production tested).

Parameter

Test condition

Min

Typ

Max Unit

Supply section

VIN

Input voltage range

Vout = Vref, LDO5 in regulation 5.5

36

V

VCC

VV5SW

IC supply voltage

Turn-ON voltage threshold

Turn-OFF voltage

threshold

4.5

5.5

V

4.8

4.9

V

4.6

4.75

V

Hysteresis

20

50

mV

VV5SW

RDS(on)

Maximum operating range

LDO5 Internal bootstrap

V5SW > 4.9 V

switch resistance

5.5

V

1.8

3

Ω

OUTx,OUTx

discharge-Mode

On-resistance

18

25

Ω

OUTx, OUTx

discharge-Mode

Synchronous rectifier

Turn-on level

0.2

0.36

0.6

V

Pin

Operating power

consumption

FBx > VREF, Vref in regulation,

V5WS to 5V

4

mW

Ish

Operating current sunk by

VIN

SHDN connected to GND,

Isb

Operating current sunk by

VIN

ENx to GND, V5SW to GND

20

30

µA

190

250

µA

Shutdown section

VSHDN

Device ON threshold

Device OFF threshold

1.2

1.5

1.7

V

0.8

0.85

0.9

V

Soft start section

Soft start ramp time

2

3.5

ms

Current limit and zero crossing comparator

ICSENSE

Input bias current limit (1)

Comparator offset

Zero crossing comparator

offset

VCSENSE - VPGND

VPGND - VPHASE

Fixed negative current

limit threshold

VPGND - VPHASE

90

100

110

µA

-6

6

mV

-1

11

mV

-120

mV

1. TA = -25 °C to 125 °C

9/48

Share Link: