CS5253-1GDPR5 datasheet(2/10 Pages) ONSEMI

2 / 10 page

CS5253−1

http://onsemi.com

Figure 1. Application Diagram

CS5253−1

10 mF

10 V

VCONTROL

VPOWER

VOUT

VSENSE

Adjust

100 mF

5.0 V

3.3 V

124

1.0%

124

1.0%

Load

2.5 V @ 3.0 A

300 mF

5.0 V

MAXIMUM RATINGS

Rating

Value

Unit

VPOWER Input Voltage

6.0

VCONTROL Input Voltage

Operating Junction Temperature Range, TJ

0 to 150

°C

Storage Temperature Range

−65 to +150

°C

ESD Damage Threshold

2.0

Lead Temperature Soldering:

Reflow: (SMD styles only) (Note 1)

230 peak

°C

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

1. 60 second maximum above 183°C.

ELECTRICAL CHARACTERISTICS (0°C ≤ TA ≤ 70°C; 0°C ≤ TJ ≤ 150°C; VSENSE = VOUT and VADJ = 0 V; unless otherwise specified.)

Characteristic

Test Conditions

Min

Typ

Max

Unit

CS5253−1

Reference Voltage

VCONTROL = 2.75 V to 12 V, VPOWER = 2.05 V to 5.5 V,

IOUT = 10 mA to 3.0 A

1.237

(−1.0%)

1.250

1.263

(+1.0%)

Line Regulation

VCONTROL = 2.5 V to 12 V, VPOWER = 1.75 V to 5.5 V,

IOUT = 10 mA

−

0.02

0.2

Load Regulation

VCONTROL = 2.75 V, VPOWER = 2.05 V,

IOUT = 10 mA to 3.0 A, with Remote Sense

−

0.04

0.3

Minimum Load Current (Note 2)

VCONTROL = 5.0 V, VPOWER = 3.3 V, DVOUT = +1.0%

−

5.0

Control Pin Current (Note 3)

VCONTROL = 2.75 V, VPOWER = 2.05 V, IOUT = 100 mA

VCONTROL = 2.75 V, VPOWER = 2.05 V, IOUT = 3.0 A

−

6.0

120

Adjust Pin Current

VCONTROL = 2.75 V, VPOWER = 2.05 V, IOUT = 10 mA

−

120

Current Limit

VCONTROL = 2.75 V, VPOWER = 2.05 V, DVOUT = −1.0%

3.1

4.0

−

Short Circuit Current

VCONTROL = 2.75 V, VPOWER = 2.05 V, VOUT = 0 V

2.0

3.5

−

2. The minimum load current is the minimum current required to maintain regulation. Normally the current in the resistor divider used to set

the output voltage is selected to meet the minimum load current requirement.

3. The VCONTROL pin current is the drive current required for the output transistor. This current will track output current with roughly a 1:100

ratio. The minimum value is equal to the quiescent current of the device.

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