MIC33263 datasheet(3/19 Pages) MICREL

3 / 19 page

Micrel, Inc.

MIC33263/4

Absolute Maximum Ratings

(3)

Supply Voltage (VIN = 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 (VIN = 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 ≤ +85°C

Thermal Resistance

20-Pin 2.5mm × 3mm QFN (

JA) ........................ 50°C/W

Electrical Characteristics

(6)

TA = 25°C; VIN = VEN = 3.6V; COUT = 22µF unless otherwise specified. Bold values indicate −40°C

≤ TJ ≤ +85°C, unless otherwise

specified.

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 = 5.5V if VOUTNOM ≥ 2.5V, ILOAD = 20mA

Feedback Regulation Voltage

0.682

0.7

0.717

Current Limit

VSNS = 0.9 × VOUTNOM

2.5

3.3

Output Voltage Line Regulation

VIN = 3.6V to 5.5V, ILOAD = 20mA

0.3

%/V

Output Voltage Load Regulation

20mA ≤ ILOAD ≤ 1A, VIN = 3.6V

0.3

20mA ≤ ILOAD ≤ 1A, VIN = 5.5V

PWM Switch On-Resistance

ISW = 100mA PMOS

0.13

ISW = −100mA NMOS

Switching Frequency

IOUT = 120mA

MHz

Soft-Start (SS) Time

VOUT = 90%, CSS = 1nF

1000

µs

Soft-Start (SS) Current

VSS = 0V

2.2

µA

Power Good (PG) 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 in series with 100pF.

Specification for packaged product only

May 15, 2014

Revision 1.1

MIC33263 Datasheet(PDF) 3 Page - Micrel Semiconductor

MIC33263 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

Datasheet Download

Link URL