XC910607 datasheet(3/7 Pages) TOREX

3 / 7 page

Preliminary

Electrical Characteristics

XC9106D001MR, XC9107D001MR

(FOSC=100 (kHz)

Ta=25OC

Test Conditions: Unless otherwise stated, CL: ceramic, recommended MOS FET should be connected.

VDD =

(V)

Vref =

(V) ,

RFB1, 2 x 10

VIN =

(V)

IOUT =

(mA)

Notes

Oscillation Start Voltage

VST2

CE/Vref=0.9V, Voltage applied, FB=0V

VST1

Recommended Circuit using 2SD1628, IOUT=1.0mA

No external connections

XC9106 / 07 Series

PWM Control, PWM/PFM Switching Control,

Step-up DC/DC Converters

Circuit

Externally Applied Reference Voltage (Vref)

8.820

9.000

9.180

0.8

2.5

UNITS

µA

1.0

µA

KHz

PARAMETER

Output Voltage

Reference Voltage Range

Operation Start Voltage

FB Control Voltage

Power Supply Voltage Range

Same as IDD1

Maximum Duty Ratio

PFM Duty Ratio

FOSC

MAXDTY

PFMDTY

Same as IDD1

Oscillation Frequency

Supply Current 2

Operation Holding Voltage

Supply Current 1

VFB

VDD

Vref = 0.9V

VDD as shown right or (Vref applied voltage + 0.7V)

Efficiency

Recommended Circuit using 2SD1628, IOUT=1.0mA

Same as VST2, VDD=3.300V

ISTB

VHLD

IDD1

IDD2

Same as IDD1, CE/Vref=0V

Same as IDD1, FB=1.2V

Stand-by Current

No Load

(XC9106 series)

Recommended Circuit using XP161A1355

EFFI

Soft-start Time

Vref=0.9V

TSS

5.0

10.0

20.0

CE "Low" Voltage

VCEL

Same as IDD1

CE "High" Voltage

VCEH

Same as IDD1

0.20

EXT "Low" ON Resistance

REXTL

Same as IDD1, VEXT=VOUT-0.4V

EXT "High" ON Resistance

REXTH

Ω

µA

Same as IDD1, VEXT=0.4V

CE "Low" Current

ICEL

Same as IDD2, CE=2.5V

CE "High" Current

ICEH

Same as IDD2, CE=0V

0.0

µA

2.5

Same as IDD2, CE=VDD

-0.1

0.1

FB "High" Current

IFBH

µA

Same as IDD2, CE=0V

IFBL

-0.1

1.8

CONDITIONS

Vref = 0.9V

SYMBOL

VOUT

Vref

MIN.

TYP.

MAX.

0.882

0.900

0.918

0.8

10.0

0.9

0.7

100

115

0.65

FB "Low" Current

0.09

Although the IC starts step-up operations from a VDD of 0.8V, the output voltage and oscillation frequency are stabilized at

VDD

≥ 1.8V or (Vref applied voltage + 0.7V). Therefore, a VDD of more than 1.8V or (Vref applied voltage + 0.7V) is recommended when

VDD is supplied from VIN or other power sources.

3.30

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