13892 datasheet(15/161 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

13892

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

SWBST (CONTINUED)

Maximum Continuous Load Current ILMAX

3.0 V < VIN < 4.65, VOUT = 5.0 V

IBST

300

Peak Current Limit

At SWBSTIN; VIN = 3.6 V

BSTPK

800

1500

Start-up Overshoot

IL = 0 mA

VBSTOS

500

Efficiency, IL = ILMAX

SWBSTEFF

Bias Current Consumption

IBSTBIAS

390

1200

µA

External Components - Used as a condition for all other parameters

Inductor(22)

Inductor Resistance

Inductor saturation current at 30% loss in inductance value

Bypass Capacitor(23)

Bypass Capacitor ESR at resonance

Input Capacitor

Diode current capability

LBST

R_WBST

ILSAT

COBST

ESRBST

CBSTD

IBSTDPK

-20%

1.0

-60%

1.0

850

1500

2.2

4.7

+20%

0.2

+35%

µH

µF

mAdc

mApk

NMOS Off Leakage, SWBSTIN = 4.5 V, SWBSTEN = 0

IBSTIK

1.0

5.0

µA

VVIDEO

Operating Input Voltage Range VINMIN to VINMAX

VINVIDEO

VNOM+0.25

4.65

Operating Current Load Range ILMIN to ILMAX

(Not exceeding PNP max power)

IVIDEO

350

Minimum Bypass Capacitor Value

Used as a condition for all other parameters

COVIDEO

1.1

2.2

µF

Bypass Capacitor ESR

10 kHz -1.0 MHz

ESRVIDEO

100

VVIDEO ACTIVE MODE DC

Output Voltage VOUT

Vinmin < VIN < VINMAX, ILMIN < IL < ILMAX

ΔVVIDEO

VNOM – 3%

VNOM

VNOM + 3%

Load Regulation

1.0 mA < IL < ILMAX, For any VINMIN < VIN < VINMAX

VVIDEOLOPP

0.20

mV/mA

Line Regulation

VINMIN < VIN < VINMAX, For any ILMIN < IL < ILMAX

VVIDEOLIPP

5.0

8.0

Short-circuit Protection Threshold

VINMIN < VIN < VINMAX, Short-circuit VOUT to GND

IVIDEOSHT

ILMAX+20%

Active Mode Quiescent Current

VINMIN < VIN < VINMAX, IL = 0

IVIDEOQS

µA

Notes

22.

Preferred device TDK VLS252012 series at 2.5x2.0 mm footprint and 1.2 mm max height

23.

Applications of SWBST should take into account impact of tolerance and voltage derating on the bypass capacitor at the output level.

Table 5. Static Electrical Characteristics

Characteristics noted under conditions -30

°C ≤ TA ≤ 85 °C, GND = 0 V unless otherwise noted. Typical values noted reflect

the approximate parameter means at TA = 25 °C under nominal conditions, unless otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit

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