PM6685(2005) データシートの表示（PDF） - STMicroelectronics

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PM6685
(Rev.:2005)

DUAL STEP-DOWN CONTROLLER WITH AUXILARY VOLTAGES FOR NOTEBOOK SYSTEM POWER

STMicroelectronics 

4 Electrical characteristics

PM6685

Table 6. Electrical characteristics (continued)

Simbol

Parameter

Test Condition

Min. Typ. Max. Unit

High side rise time

High side fall time

Low side rise time

OVP Over voltage threshold

UVP Under voltage threshold

Upper threshold (VFB-VREF)

PGOOD3,5

Lower threshold (VFB-VREF)

IPGOOD3,5 PGOOD leakeage current

VPGOOD3,5 Ouput Low Voltage

PGOOD

LDO3

Rising voltage threshold

Falling voltage threshold

Hytseresis

IPGOOD_LD PGOOD leakeage current

O3

VPGOOD_LD Ouput Low Voltage

O3

TSDN

Shutdown Temperature

EN3,5

SMPS disabled level

SMPS enabled level

FSEL Frequency selection range

LDO3 SEL

3.3V Linear Regulator Selection

Pin

SKIP

Pulse Skip Mode

PWM Mode

Ultrasonic Mode

HGATEx-PHASE from 1V to 4V

CLOAD = 3.3nF

20

ns

20

LGATEx-PGND from 1V to 4V

CLOAD = 8.2nF

40

ns

40

Both SMPS sections with respect 113 116 120 %

to VREF.

66

70

72

%

107 110 113 %

90

92

94

%

VPGOOD3,5 forced to 5.5V

1

µA

ISink = 4mA

150 250 mV

2.58

V

2.55

V

25

mV

VPGOOD LDO3 forced to 5.5V

1

µA

ISink = 4mA

Low level

Middle level

High level

Always-off level

Boostrap level

Always-on level

150 250 mV

2.4

1.0

VLDO5

-0.8

1.0

VLDO5

-0.8

1.0

VLDO5

-0.8

150 °C

0.8

V

0.5

VLDO5

-1.5 V

0.5

VLDO5

-1.5 V

0.5

VLDO5

-1.5 V

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