! Electrical Characteristics

XC9501B092A

Common Characteristics

(FOSC=180kHz)

Ta=25

VOUT1, VOUT2

VOUT1

VOUT2

VOUT1

VOUT2

EN2=3.0V, EN1=0V, FB2=0V

FB1=1.0V, FB2=0V

Unless otherwise stated, VDD=3.0V, PWM1,2=3.0V, EN1, 2 =3.0V

Output 1 Characteristics

Step-up Controller

Ta=25

Using Tr: 2SD1628,

Unless otherwise stated, VDD=EN1=PWM1=3.0V, EN2=PWM2=GND, EXT2=OPEN, FB2=OPEN, VIN=1.8V

Output 2 Characteristics

Step-up Controller

Ta=25

Using Tr: 2SD1628,

Unless otherwise stated, VDD=EN2=PWM2=3.0V, PWM1=EN1=GND, EXT1=OPEN, FB1=OPEN, VIN=1.8V

TYP.

TYP.

UNITS

MIN.

V

5.0

-

0.65

Ω

28

10.0

9

V

9

FB1 Voltage

PARAMETER

SYMBOL

Soft-Start Time1

EXT1 "Low" ON Resistance

Efficiency1

MAX.

FB1,2 "High" Current

UNITS

PARAMETER

SYMBOL

CONDITIONS

MIN.

FB1,2=3.0V

-

-0.50

-

0.50

--

Supply Current 1

FB1,2=0V

-

80

70

-

MIN.

TYP.

-

0.9

PWM1,2 "Low" Current

FB1,2=3.0V,PWM=0V

No Load

Soft-Start Time2

Efficiency2

7

9

PWM2 "Low" Voltage

-

PWM2 "High" Voltage

22

-

0.20

-

-

-

47

20.0

30

83

%

-

IOUT2=100mA, Nch MOSFET:XP161A1355P

80

-

25

38

Ω

7

4

4

mS

9

%

9

Oscillation Start-up Voltage2

-

PFM Duty Ratio2

Maximum Duty Ratio2

FB2=0V

75

V

2.0

%

V

V

0.8

85

0.9

-

Output Voltage Range

(note 4)

VOUTSET

0.9

PARAMETER

SYMBOL

CONDITIONS

2ch. Step-up DC/DC Controller ICs.

TEST

CIRCUIT

MAX. UNITS

XC9501 Series

-

-

0.9

-

2.0

-

10.0

-

-

60

Supply Current 1-1

150

µA

FB1=0V, FB2=1.0V

-

Supply Current 1-2

120

µA

132

µA

Supply Current 2

FB1,2=1.0V

-

3.0

µA

Stand-by Current

-

180

207

kHz

Switching Frequency

FOSC

153

--

V

EN1,2 "High" Voltage

VENH

FB1,2=0V

0.65

-

0.20

V

EN1,2 "Low" Voltage

VENL

FB1,2=0V

-

-

0.50

µA

EN1,2 "High" Current

IENH

FB1,2=3.0V

-

-

-0.50

µA

EN1,2 "Low" Current

IENL

EN1,2=0V, FB1,2=3.0V

-

-

0.50

µA

PWM1,2 "High" Current

FB1,2=3.0V, PWM=3.0V

-

-

-0.50

FB1,2 "Low" Current

VFBL

FB1,2=1V

-

0.882

0.900

0.918

V

Operation Start-up

Voltage1

(note 2)

-

-

Ω, RFB12=75kΩ

-

80

85

0.8

-

V

2.0

V

-

-

0.9

83

10.0

-

30

38

28

47

20.0

-

0.900

0.918

-

MAX.

-

FB2 Voltage

0.882

Ω,RFB22=75kΩ

PFM Duty Ratio1

22

Maximum Duty Ratio1

75

Oscillation Start-up Voltage1

-

IOUT1=100mA Nch MOSFET:XP161A1355P

-

× 0.95V, CE1=0V→0.65V

5.0

0.65

-

-22

30

-

0.20

V

PWM1 "Low" Voltage

-

-

Operation Start-up

Voltage2

(note 3)

V

µA

90

160

-

10.0

10.0

VIN

(note 3)

2.0

PWM1 "High" Voltage

2.0

V

V

V

-

µA

3

4

4

4

4

4

4

4

4

µA

µA

%

1

2

4

4

V

V

7

4

4

4

4

4

4

2

V

Ω

3

6

7

mS

%

%

6

6

22

-

8

1

TEST

CIRCUIT

V

TEST

CIRCUIT

Ω

V

6

1

5

6

CONDITIONS

VIN

(note 2)

EN1=FB2=0V, EXT1=0.4V

FB1=0V

No Load

EN1=3.0V, EN2=0V, FB1=0V

× 0.95V, EN2=0V→0.65V

EXT2 "Low" ON Resistance

-

4