STOD1412PUR datasheet(7/21 Pages) STMICROELECTRONICS

tên linh kiện	STOD1412PUR

Giải thích chi tiết về linh kiện	Step-up and inverting DC-DC converter

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STOD1412

Electrical characteristics

7/21

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

ΔV

O1

Static load regulation

IO1=5 to 100 mA, IO2 no load, VI=2.7 V,

TJ= -40°C to 85°C

2%

ΔV

O1

Static load regulation

IO1=5 to 100 mA, IO2 no load, VI=4.2 V,

TJ= -40°C to 85°C

2%

ΔV

O1

Load transient regulation

IO1=3 to 30 mA and IO1=30 to 3 mA,

TR=TF=30 µs

20

mV

ΔV

O1

Load transient regulation

IO1=10 to 100 mA and IO1=100 to 10 mA,

TR=TF=30 µs

30

mV

ΔV

O1

Ripple output voltage

range

IO1=5 to 100 mA @ Low frequency

typ.=20 kHz

20

mV

IO1

Step-up range load

current

120

mA

I-L1MAX

I peak current

VO1 below 10% of nominal value

0.9

A

RDSONP1

1.10

Ω

RDSONN1

0.85

Ω

Inverting converter section

VFB2

Feedback voltage on

inverting (1)

VI=2.7 V to 4.5 V

-0.5

mV

ΔV

O2

Static line regulation

VI=2.7 V to 4.2 V, IO2=5 mA, IO1 no load,

TJ= -40°C to 85°C

2%

ΔV

O2

Static line regulation

VI=2.7 V to 4.2 V, IO2=100 mA, IO1 no

load, TJ= -40°C to 85°C

2%

ΔV

O2

Static load regulation

IO2=5 to 100 mA, IO1 no load, VI=2.7 V,

TJ= -40°C to 85°C

2%

ΔV

O2

Static load regulation

IO2=5 to 100 mA, IO1 no load, VI=4.2 V,

TJ= -40°C to 85°C

2%

ΔV

O2

Load transient regulation

IO2=3 to 30 mA and IO2=30 to 3 mA,

TR=TF=30 µs

50

mV

ΔV

O2

Load transient regulation

IO2=10 to 100 mA and IO2=100 to 10 mA,

TR=TF=30 µs

100

mV

ΔV

O2

Ripple output voltage

range

IO2=5 to 100 mA @ Low frequency

typ.=20 kHz

20

mV

IO2

Inverting range load

current

-120

mA

I-L2MAX

I peak current

VO2 below 10% of nominal value

-1

A

RDSONP2

0.63

Ω

RDSONN2

0.65

Ω

VREF

Voltage reference

IREF=10 µA

1.192

1.209

1.228

V

Table 5.

Electrical characteristics (continued)

(TJ=25°C, VI =VCC=3.7 V, CI=2.2 µF, CO1,2=4.7 µF, C3=1 µF, CREF=100 nF, L1=4.7 µH,

L2=6.8 µH, IO1,2=IO1-IO2=30 mA, VEN=VI, VO1=4.6 V, VO2=-6.4 V, R1=470 kΩ, R2=166 kΩ,

R3=533 kΩ, R4=100 kΩ, unless otherwise specified).

Số phần tương tự - STOD1412PUR

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