FLF3215T-R47N datasheet(3/19 Pages) MICREL

3 / 19 page

Micrel, Inc.

MIC23163/4

July 29, 2013

Revision 2.0

Absolute Maximum Ratings

(3)

Supply Voltage (VAVIN, VPVIN)............................. −0.3V to 6V

Power Good Voltage (VPG)................................ −0.3V to 6V

Output Switch Voltage (VSW) ............................. −0.3V to 6V

Enable Input Voltage (VEN)................................−0.3V to VIN

Junction Temperature (TJ) ....................................... +150°C

Storage Temperature Range (TS) ............. −65°C to +150°C

Lead Temperature (soldering, 10s)............................ 260

°C

ESD Rating

(5)................................................. ESD Sensitive

Operating Ratings

(4)

Supply Voltage (VAVIN, VPVIN)............................ 2.7V to 5.5V

Enable Input Voltage (VEN) .. ……………………….0V to VIN

Feedback Voltage (VFB) ...................................... 0.7V to VIN

Junction Temperature Range (TJ).. ….−40°C ≤ TJ ≤ +125°C

Thermal Resistance

2mm x 2mm Thin DFN -10 (

JA) ......................... 90°C/W

2mm x 2mm Thin DFN -10 (

JC) ......................... 45°C/W

Electrical Characteristics

(6)

TA = 25°C; VIN = VEN = 3.6V; L = 0.47µH; COUT = 10µF unless otherwise specified. Bold values indicate –

40°C ≤ TJ ≤ +125°C, unless

otherwise noted.

Parameter

Condition

Min.

Typ.

Max.

Units

Supply Voltage Range

2.7

5.5

Undervoltage Lockout Threshold

(Turn-On)

2.40

2.53

2.65

Undervoltage Lockout Hysteresis

Quiescent Current

IOUT = 0mA , VSNS > 1.2 × VOUT Nominal

µA

Shutdown Current

VEN = 0V; VIN = 5.5V

0.1

µA

Output Voltage Accuracy

VIN = 3.6V if VOUTNOM < 2.5V, ILOAD = 20mA

−2.5

+2.5

VIN = 4.5V if VOUTNOM ≥ 2.5V, ILOAD = 20mA

Feedback Regulation Voltage

0.68

0.7

0.72

Current Limit

VSNS = 0.9*VOUTNOM

2.5

3.3

Output Voltage Line Regulation

VIN = 3.6V to 5.5V if VOUTNOM < 2.5V, ILOAD = 20mA

0.3

%/V

VIN = 4.5V to 5.5V if VOUTNOM

≥ 2.5V, ILOAD = 20mA

Output Voltage Load Regulation

20mA

< I

LOAD < 500mA, VIN = 3.6V if VOUTNOM < 2.5V

0.3

20mA

< I

LOAD < 500mA, VIN = 5.0V if VOUTNOM ≥ 2.5V

20mA

< I

LOAD < 1A, VIN = 3.6V if VOUTNOM < 2.5V

0.3

20mA

< I

LOAD < 1A, VIN = 5.0V if VOUTNOM ≥ 2.5V

PWM Switch ON-Resistance

ISW = 100mA PMOS

0.13

ISW = −100mA NMOS

Switching Frequency

IOUT = 120mA

MHz

Soft-Start Time

VOUT = 90%, CSS = 1nF

1000

µs

Soft-Start Current

VSS = 0V

2.2

µA

Power Good Threshold (Rising)

% of VNOM

Notes:

Exceeding the absolute maximum ratings may damage the device.

The device is not guaranteed to function outside its operating ratings.

Devices are ESD sensitive. Handling precautions are recommended. Human body model, 1.5k

Ω in series with 100pF.

Specification for packaged product only.

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