PM6681ATR datasheet(12/47 Pages) STMICROELECTRONICS

12 / 47 page

Electrical characteristics

PM6681A

12/47

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

ILDO

LDO current limit

170

220

270

ILDO FB

Input bias current

(1)

0.1

µA

High and low gate drivers

HGATE driver on-resistance

HGATEx high state (pull-up)

2.0

Ω

HGATEx low state (pull-down)

1.6

2.7

LGATE driver on-resistance

LGATEx high state (pull-up)

1.4

2.1

LGATEx low state (pull-down)

0.8

1.2

PGOOD pins UVP/OVP protections

OVP

Over voltage threshold

Both SMPS sections with

respect to VREF, OUT1 = 5 V,

OUT2 = 3.3 V

112

116

120

UVP

Under voltage threshold

PGOOD1,2

Upper threshold

(VFB-VREF)

107

110

113

Lower threshold

(VFB-VREF)

IPGOOD1,2

PGOOD leakage current

VPGOOD1,2 forced to 5.5 V

VPGOOD1,2

output low voltage

ISink = 4 mA

150

250

Power management pins

EN1,2

SMPS disabled level

(1)

0.8

SMPS enabled level

(1)

2.4

FSEL

Frequency selection range

Low level (1)

0.5

Middle level (1)

1.0

VLDO5 -

1.5

High level (1)

VLDO5 -

0.8

SKIP

Pulse skip mode

(1)

0.5

Ultrasonic mode

(1)

1.0

VLDO5 -

1.5

PWM mode

(1)

VLDO5 -

0.8

Input leakage current

VEN1,2 = 0 to 5 V

µA

VSKIP = 0 to 5 V

VSHDN = 0 to 5 V

VFSEL = 0 to 5 V

by design

Table 6.

Electrical characteristics

(VIN = 24 V; TJ = 25 °C, unless otherwise specified) (continued)

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