Exposed Pad

Connect to GND

5

SS

6

FB

3

EN

1

VIN

2

RON

4

GND

7

VOUT

LMZ14203H

www.ti.com

SNVS692G – JANUARY 2011 – REVISED OCTOBER 2015

5 Pin Configuration and Functions

NDW Package

7-Pin TO-PMOD

Top View

Pin Functions

PIN

TYPE

DESCRIPTION

NO.

NAME

1

VIN

Power

Supply input — Additional external input capacitance is required between this pin and the exposed pad (EP).

2

RON

Analog

application. Typical values range from 100k to 700k ohms.

3

EN

Analog

Enable — Input to the precision enable comparator. Rising threshold is 1.18 V.

4

GND

Ground

Ground — Reference point for all stated voltages. Must be externally connected to EP.

5

SS

Analog

Soft-Start — An internal 8-µA current source charges an external capacitor to produce the soft-start function.

Feedback — Internally connected to the regulation, overvoltage, and short-circuit comparators. The

6

FB

Analog

regulation reference point is 0.8 V at this input pin. Connect the feedback resistor divider between the output

and ground to set the output voltage.

Output Voltage — Output from the internal inductor. Connect the output capacitor between this pin and the

7

VOUT

Power

EP.

Exposed Pad — Internally connected to pin 4. Used to dissipate heat from the package during operation.

—

EP

Ground

Must be electrically connected to pin 4 external to the package.

6 Specifications

6.1 Absolute Maximum Ratings

(1) (2) (3)

MIN

MAX

UNIT

VIN, RON to GND

–0.3

43.5

V

EN, FB, SS to GND

–0.3

7

V

Junction Temperature

150

°C

Peak Reflow Case Temperature (30 s)

245

°C

Storage Temperature

–65

150

°C

(1)

If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and

specifications.

(2)

Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings

only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended

Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(3)

For soldering specifications, see the application note Absolute Maximum Ratings for Soldering (SNOA549)

6.2 ESD Ratings

VALUE

UNIT

Electrostatic discharge

±2000

V

(1)

JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.

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