STODD01 datasheet(8/31 Pages) STMICROELECTRONICS

8 / 31 page

Electrical characteristics

STODD01

8/31

Doc ID 17789 Rev 2

tSTART

Startup time

VEN from 0 to 5 V, IOUT1=100 mA

500

µs

Inrush current

VOUT=9.25 V, IOUT=100 mA

1.3

Step-down section

FB2

Feedback voltage

3.23

3.3

3.37

IFB2

FB2 Pin bias current

VFB2= 3.5 V

µA

FB3

Feedback voltage

0.784

0.8

0.816

IFB3

FB3 Pin bias current

VFB3= 1 V

600

IOUT2,3

Output current (3)

VIN = 4 to 6 V

700

800

IOUT_MIN

Minimum output current

ΔV

OUT2,3

Reference load regulation

10 mA < IOUT2,3 < 0.8 A

5.5

PWM fS

PWM Switching frequency

IOUT2,3 = 0.3 A

1.2

MHz

%VOUT2/ΔVIN Line regulation

4 V < VIN < 6 V

0.032

VOUT

/VIN

%VOUT3/ΔVIN Line regulation

4 V < VIN < 6 V

0.15

VOUT

/VIN

DMAX

Maximum duty cycle

VFB2 = 3.0 V, VFB3 = 0.7 V

ISWL

Switching current limitation

1.5

ILKP2,3

PMOS Leakage current

VFB2 = 3.5 V, VFB3 = 0.9 V,

VSW2,3= GND, TJ=- 25 to 80 °C

0.1

µA

ILKN2,3

NMOS Leakage current

VFB2 = 3.5 V, VFB3 = 0.9 V,

VSW2,3 = 5 V, TJ =- 25 to 80 °C

0.1

µA

RDSon-N

NMOS Switch on resistance ISW = 250 mA

0.2

0.4

RDSon-P

PMOS Switch on resistance

ISW = 250 mA

0.3

0.5

ΔV

OUT2,3/ΔIOU

T2,3

Load transient response (2)

100 mA < IOUT2,3 < 500 mA, tR =

tF => 100 ns, TJ = 25 °C

-5

VOUT

Efficiency VOUT3 = 1.2 V

IOUT3 = 100 mA

IOUT3 = 800 mA

Efficiency VOUT2 = 3.3 V

IOUT2 = 100 mA

IOUT2 = 800 mA

Reset section

tDEL

Delay time

TJ = 25 °C

100

VR_TH

Reset threshold

VIN Rising (see Figure 12 and

Figure 29) (measured on input

voltage pin)

4.3

4.4

VR_TL

VIN Falling (see Figure 12 and

Figure 29) (measured on input

voltage pin)

4.1

4.2

Table 7.

Electrical characteristics (continued)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

STODD01 数据表(PDF) 8 Page - STMicroelectronics

STODD01 数据表(HTML) 8 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

数据表下载

链接网址

STODD01 数据表(PDF) 8 Page - STMicroelectronics

STODD01 数据表(HTML) 8 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

数据表 下载

链接网址

数据表下载