MIC23201 datasheet(3/20 Pages) MICREL

3 / 20 page

Micrel Inc.

MIC23201

August 2012

M9999-082912-A

Absolute Maximum Ratings

(1)

Supply Voltage (VIN, SVIN)……………………………... ..6V

Sense (VSNS).. ..................................................................6V

Power Good (PG)……................................................. ....6V

Output Switch Voltage

……………………………..…….6V

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

Storage Temperature Range………………-65

C to +150C

ESD Rating

(3) ……………………………………………….1kV

Operating Ratings

(2)

Supply Voltage (VIN) ... …………………………..2.7V to 5.5V

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

Output Voltage Range (VSNS) ………………….0.95V to 3.6V

Junction Temperature Range (TJ) .... ….-40C  TJ  +125C

Thermal Resistance

3mm x 3mm MLF-10 (

JA) .............................60.7C/W

3mm x 3mm MLF-10 (

JC) .............................28.7C/W

Electrical Characteristics

(4)

TA = 25°C; VIN = VEN = 3.3V; L = 1.0µH; COUT = 22µF unless otherwise specified. Bold values indicate –40°C ≤ TJ ≤

+125°C, unless noted.

Parameter

Condition

Min

Typ

Max

Units

Supply Voltage Range

2.7

5.5

Under-Voltage Lockout Threshold

VIN Rising

2.45

2.55

2.65

Under-Voltage Lockout Hysteresis

200

Quiescent Current

IOUT = 0mA , SNS > 1.2 * VOUT Nominal

1.15

3.35

Shutdown Current

VEN = 0V; VIN = 5.5V

1.34

µA

Feedback Voltage

ILOAD = 20mA

0.604

0.62

0.635

Feedback Bias Current

µA

Current Limit

SNS = 0.9*VOUTNOM

2.3

4.4

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

Output Voltage Line Regulation

VIN = 4.5V to 5.5V if VOUTNOM ≥ 2.5V, ILOAD = 20mA

0.3

%/V

20mA < ILOAD < 500mA, VIN = 3.6V if VOUTNOM < 2.5V

20mA < ILOAD < 500mA, VIN = 5.0V if VOUTNOM ≥ 2.5V

0.46

20mA < ILOAD < 1A, VIN = 3.6V if VOUTNOM < 2.5V

Output Voltage Load Regulation

20mA < ILOAD < 1A, VIN = 5.0V if VOUTNOM ≥ 2.5V

0.71



PWM Switch ON-Resistance

ISW = 100mA PMOS

ISW = -100mA NMOS

0.200

0.190



Switching Frequency

IOUT = 120mA

MHz

Maximum Duty Cycle

VFB = 0V

Soft Start Time

VOUT = 90%, CSS=470pF

300

µs

Soft Start Current

VSS = 0V

2.7

µA

Power Good Threshold (Rising)

% of VNOMINAL

Power Good Hysteresis

Power Good Delay

µs

Power Good Pull Down Resistance

IPG = 250µA

Ω

Enable Threshold

Turn-On

0.5

0.9

1.2

Enable Input Current

0.1

µA

Over Temperature Shutdown

TJ Rising

160

C

Over Temperature Shutdown

Hysteresis

C

Notes:

1. Exceeding the absolute maximum rating may damage the device.

2. The device is not guaranteed to function outside its operating rating.

3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5kΩ in series with 100pF.

4. Specification for packaged product only.

MIC23201 Datasheet(PDF) 3 Page - Micrel Semiconductor

MIC23201 Datasheet(HTML) 3 Page - Micrel Semiconductor

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Datasheet Download

Link URL