STOD13CMTPUR datasheet(8/25 Pages) STMICROELECTRONICS

8 / 25 page

Electrical characteristics

STOD13CM

8/25

024087 Rev 1

Electrical characteristics

TJ = 25 °C, VINA = VINP = 3.7 V, IMID,O2 = 30 mA, CIN = 2 x 10 µF, CMID = 10 µF,

CO2 = 2 x 10 µF, CREF = 1 µF, L1 = L2 = 4.7 µH, VEN = 2 V, VMID = 4.6 V, VO2 = -4.0 V unless

otherwise specified.

Table 6.

Electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

General section

VINA, VINP

Supply input voltage

2.5

3.7

4.5

UVLO_H

Undervoltage lockout HIGH

VINA rising

2.22

2.25

UVLO_L

Undervoltage lockout LOW

VINA falling

1.9

2.18

I_VI

Input current

No load condition

1.7

2.1

IQ_SH

Shutdown current

VEN = VSW = GND

TJ = -40°C to +85°C

1µA

VEN H

Enable high threshold

VINA=2.5V to 4.5V,

TJ = -40°C to +85°C

1.2

VEN L

Enable low threshold

0.4

IEN

Enable input current

VEN=VINA=4.5V;

TJ = -40°C to +85°C

1µA

Switching frequency

PWM mode

1.35

1.5

1.65

MHz

D1MAX

Step-up maximum duty cycle

No load

D2MAX

Inverting maximum duty cycle No load

Total system efficiency

IMID,O2=10 to 30mA,

VMID=4.6V, VO2=-4.0V

IMID,O2=30 to 150mA,

VMID=4.6V, VO2=-4.0V

IMID,O2=150 to 250mA,

VMID=4.6V, VO2=-4.0V

VREF

Reference voltage

IREF=10µA

1.208

1.220

1.232

IREF

Reference current capability

@ 98.5% of no load

reference voltage

100

µA

Step-up converter section

VMID

(1)/

FBP (2)

Positive output voltage

4.6

Positive output voltage total

variation

VINA=VINP=2.9V to 4.5V;

IMID=5mA to 250mA,

IO2 no load

-0.5

0.5

VINA=VINP=2.9V to 4.5V;

IMID=5mA to 250mA, IO2 no

load TJ = -40°C to +85°C

-0.8

0.8

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