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

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PM6680A

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

STMicroelectronics 

PM6680A

Electrical characteristics

Table 5.

Symbol

Electrical characteristics (continued)

(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

High and low gate drivers

HGATE

driver on-resistence

LGATE

driver on-resistance

HGATEx high state (pullup)

HGATEx low state (pulldown)

LGATEx high state (pullup)

LGATEx low state (pulldown)

2.0

3

Ω

1.6

2.7

Ω

1.4

2.1

Ω

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

65

68

71

%

Upper threshold

(VFB-VREF)

PGOOD1,2

Lower threshold

(VFB-VREF)

107

110

113

%

88

91

94

%

IPGOOD1,2 PGOOD leakage current VPGOOD1,2 forced to 5.5 V

1

µA

VPGOOD1,2 Output low voltage

ISink = 4 mA

150

250 mV

Thermal shutdown

TSDN Shutdown temperature

Power management pins

150

°C

EN1,2

FSEL

SKIP

SMPS disabled level

SMPS enabled level

Low level (3)

Frequency selection range Middle level (3)

High level (3)

Pulse skip mode

(3)

PWM mode

(3)

Ultrasonic mode

Input leakage current

(3)

VEN1,2 = 0

to 5 V

VSKIP = 0

to 5 V

VSHDN = 0 to 5 V

VFSEL = 0 to 5 V

2.4

1.0

VLDO5-

0.8

1.0

VLDO5-

0.8

0.8

V

0.5

VLDO5-

1.5

V

0.5

VLDO5-

1.5

V

1

1

µA

1

1

3. By design

11/48

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