PM6680 datasheet(14/49 Pages) STMICROELECTRONICS

tên linh kiện	PM6680

Giải thích chi tiết về linh kiện	No Rsense dual step-down controller with adjustable voltages for notebook system power

PDF	49 Pages

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nhà sản xuất	STMICROELECTRONICS [STMicroelectronics]

Trang chủ	http://www.st.com

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14 / 49 page

Electrical characteristics

PM6680

14/49

Symbol

Parameter

Test condition

Min

Typ

Max

Unit

High and low gate drivers

HGATE driver on-resistance

HGATEx high state(pullup)

2.0

Ω

HGATEx low state

(pulldown)

1.6

2.7

Ω

LGATE driver on-resistance

LGATEx high state(pullup)

1.4

2.1

Ω

LGATEx low state

(pulldown)

0.8

1.2

Ω

PGOOD pins UVP/OVP protections

OVP

Over voltage threshold

Both SMPS sections with

respect to VREF.

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 5.5V

VPGOOD1,2 Output low voltage

ISink = 4mA

150

250

Thermal shutdown

TSDN

Shutdown temperature

150

°C

Power management pins

EN1,2

SMPS disabled level

0.8

SMPS enabled level

2.4

FSEL

Frequency selection range

Low level (2)

0.5

Middle level (2)

1.0

VLDO5-1.5

High level (2)

VLDO5-0.8

SKIP

Pulse skip mode

(2)

0.5

PWM mode

(2)

1.0

VLDO5-1.5

Ultrasonic mode

(2)

VLDO5-0.8

Input leakage current

VEN1,2= 0 to 5V

µA

VSKIP= 0 to 5V

VSHDN= 0 to 5V

VFSEL= 0 to 5V

by design

by demoboard test

Table 5.

Electrical characteristics (continued)

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