ECJ0EB0J105K datasheet(8/28 Pages) AD

Part #	ECJ0EB0J105K

Description	Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs

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ADP5037

Data Sheet

Rev. D | Page 8 of 28

TYPICAL PERFORMANCE CHARACTERISTICS

VIN1= VIN2 = VIN3= VIN4 = 3.6 V, TA = 25°C, unless otherwise noted.

0

20

40

60

80

100

120

140

2.3

2.8

3.3

3.8

4.3

4.8

5.3

INPUT VOLTAGE (V)

Figure 3. System Quiescent Current vs. Input Voltage, VOUT1 = 3.3 V,

VOUT2 = 1.8 V, VOUT3 = 1.2 V, VOUT4 = 3.3 V, All Channels Unloaded

4

1

3

T

2

CH1 2.00V BW

CH4 5.00V BW

M 40.0µs

A CH3

2.2V

T 11.20%

CH2 50.0mA

Ω BW

CH3 5.00V BW

SW

IOUT

VOUT

EN

Figure 4. BUCK1 Startup, VOUT1 = 1.8 V, IOUT1 = 5 mA

4

1

3

T

2

CH1 2.00V

CH4 5.00V

M 40.0µs

A CH3

2.2V

T 11.20%

BW CH2

50.0mA Ω BW

BW

CH3 5.00V

BW

SW

IOUT

VOUT

EN

Figure 5. BUCK2 Startup, VOUT2 = 3.3 V, IOUT2 = 10 mA

3.310

3.270

3.275

3.280

3.285

3.290

3.295

3.300

3.305

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

IOUT (A)

–40°C

+25°C

+85°C

Figure 6. BUCK1 Load Regulation Across Temperature, VIN = 4.2 V,

VOUT1 = 3.3 V, Auto Mode

1.812

1.798

1.800

1.802

1.804

1.806

1.808

1.810

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

IOUT (A)

–40°C

+25°C

+85°C

Figure 7. BUCK2 Load Regulation Across Temperature, VIN = 3.6 V,

VOUT2 = 1.8 V, Auto Mode

0.808

0.802

0.803

0.804

0.805

0.806

0.807

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

IOUT (A)

–40°C

+25°C

+85°C

Figure 8. BUCK1 Load Regulation Across Input Voltage, VIN = 3.6 V,

VOUT1 = 0.8 V, PWM Mode

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