13892 datasheet(16/75 Pages) FREESCALE

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Analog Integrated Circuit Device Data

Freescale Semiconductor

13892

ELECTRICAL CHARACTERISTICS

STATIC ELECTRICAL CHARACTERISTICS

Because of an order from the United States International Trade Commission, BGA-packaged product lines and part numbers indicated here currently are not

available from Freescale for import or sale in the United States prior to September 2010: MC13892VK and MC13892VL in 139, 186 MAPBGA packages.

SWBST (CONTINUED)

Maximum Continuous Load Current ILMAX

3.0 V < VIN < 4.65, VOUT = 5.0 V

IBST

300

Peak Current Limit(11)

At SWBSTIN; VIN = 3.6 V

BSTPK

700

1500

Start-up Overshoot

IL = 0 mA

VBSTOS

500

Efficiency, IL = ILMAX

SWBSTEFF

Bias Current Consumption(11)

IBSTBIAS

390

1200

µA

External Components - Used as a condition for all other parameters

Inductor(18)

Inductor Resistance

Inductor saturation current at 30% loss in inductance value

Bypass Capacitor(19)

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(11)

IBSTIK

1.0

5.0

µA

SWLEDOUT

Output Voltage Range at VSWLED(11)

VSWLED

25.5

Current Load capability(11)

VSWLED = 25.5 V

ILED

LED Driver Headroom

8.0 V< VSWLED < 25.5 V

VLEDHR

0.3

0.6

External Components

Inductor

Capacitor(20)

Input Capacitor

LLED

COLED

2.2

3.3

4.7

(30 V)

Or 2x10

(16 V) in

series

4.7

µH

µF

Notes

18.

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

19.

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

20.

The typical value represents the nominal rated value of the capacitor and takes into account the strong derating as a function of DC

voltage.

Table 5. Static Electrical Characteristics (Continued)

Currents valid over entire operating temperature range, except at 25°C only. Current in RTC Mode is from LICELL = 2.5 V, in

all other modes from BP = 3.6 V. External loads are not included.

Characteristic

Symbol

Min

Typ

Max

Unit

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