Analog Integrated Circuit Device Data



8

Freescale Semiconductor

34844

ELECTRICAL CHARACTERISTICS

STATIC AND DYNAMIC ELECTRICAL CHARACTERISTICS

STATIC AND DYNAMIC ELECTRICAL CHARACTERISTICS

Table 4. Static and Dynamic Electrical Characteristics

Characteristics noted under conditions VIN = 12 V, VOUT = 42 V, PWM = VDC1, M/~S = VDC1, PIN & NIN = VDC1, -40C  TA  105C,

PGND = 0 V, unless otherwise noted.

Symbol

Characteristic

Min

Typ

Max

Unit

Notes

SUPPLY

VIN

Supply Voltage

7.0

12

28

V

(8)

ISHUTDOWN

Supply Current when Shutdown Mode

Manual: PWM = Low, EN = Low, SCK & SDA=Low

SM Bus: EN bit = 0, SCK & SDA=Low, EN pin= Low

I2C: SETI2Cbit=1, CLRI2C=0, EN bit= 0, EN pin = Low

-

-

2.0

17

-

-

A

ISLEEP

Supply Current when Sleep Mode

SM-Bus: EN = low, SCK & SDA = Active, SETI2C bit = 0, EN bit = 0

I2C: EN = High, SETI2C bit = 1, CLRI2C bit = 0, EN bit = 0

-

4.0

-

mA

IOPERATIONAL

Supply Current when Operational Mode

Manual: EN = High, SCK & SDA =Low, PWM = Low,



SM-Bus: EN = Low, SCK & SDA = Active, EN bit = 1,



PWM = Low I2C: EN = High, SETI2C bit = 1, CLRI2C bit = 0,



EN bit = 1, PWM = Low

-

13.0

-

mA

UVLO

Undervoltage Lockout (VIN Rising)

5.4

6.0

6.4

V

UVLOHYST

Undervoltage Hysteresis (VIN Falling)

-

300

-

mV

VDC1

VDC1 Voltage

CVDC1 = 2.2 F

2.3

2.5

2.75

V

(6)

VDC2

VDC2 Voltage

CVDC2 = 2.2 F

5.5

6.0

6.5

V

(6)

VDC3

VDC3 Voltage

CVDC3 = 2.2 F

2.3

2.5

2.75

V

(6)

BOOST

VOUT1

VOUT2

Output Voltage Range

VIN = 7.0 V

VIN = 28 V

8.0

32

-

-

28

60

V

(7) (8)

IFET

Boost Switch Current Limit

2.3

2.5

2.7

A

tBOOST_TIME

Boost Switch Current Limit Timeout

-

10

-

ms

RDS(ON)

RDS(ON) of Internal FET (IDRAIN= 1.0 A)(

-

250

500

m



IBOOST_LEAK

Boost Switch Off-state Leakage Current

VSWA,SWB = 65 V

-

-

10

mA

VOUTLEAK

Feedback pin Off-state Leakage Current (VOUT = 65 V )

-

500

700

mA

EFFBOOST

Peak Boost Efficiency

-

90

-

%

(8)

IOUT/VIN

Line Regulation - VIN = 7.0 to 28 V

-0.2

-

0.2

%/V

(8)

IOUT/VLED

Load Regulation - VLED = 8.0 to 65 V (all Channels)

-0.2

-

0.2

%/V

(8)

Notes

6.

This output is for internal use only and not to be used for other purposes. A 1.0 k

resistor between the VDC3 and VDC1 pin is recommended for

<-20 °C operation.

7.

Minimum and Maximum output voltages are dependent on Min/Max duty cycle and current limit condition.

8.

Guaranteed by design