LM5030 datasheet(4/19 Pages) TI1

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PD(MAX) =

TJ(MAX) - TA

PD(MAX) =

TJ(MAX) - TA

using:

Where the value of

θJA for the VSSOP-10 package is 200°C/W. Exceeding the maximum allowable dissipation

using:

Where the value of

θJA for the VSSOP-10 package is 200°C/W. Exceeding the maximum allowable dissipation

LM5030

SNVS215B – MAY 2004 – REVISED MARCH 2005

www.ti.com

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

Absolute Maximum Ratings

(1) (2)

VIN to GND (Survival)

-0.3V to 100V

VCC to GND (Survival)

-0.3V to 16V

RT to GND (Survival)

-0.3V to 5.5V

All other pins to GND (Survival)

-0.3V to 7V

Power Dissipation(3)

Internally Limited

ESD Rating(4)

Human Body Model

2kV

Machine Model

200V

Lead Temperature

(Soldering 4 seconds)

260°C

Storage Temperature Range

-55°C to +150°C

Junction Temperature

150°C

(1)

Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which

operation of the device is intended to be functional. For guaranteed specifications and test conditions, see the Electrical Characteristics.

(2)

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

specifications.

(3)

The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction-to-ambient thermal

resistance,

θJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperture is calculated

will cause excessive die temperature, and the device will go into thermal shutdown.

(4)

The human body model is a 100pF capacitor discharged through a 1.5k

Ω resistor into each pin. The machine model is a 200pF

capacitor discharged directly into each pin. The machine model ESD rating for pin 5 and pin 6 is 150V.

Operating Ratings

Junction Temperature

-40°C to +105°C

VIN

14V to 90V

Electrical Characteristics

Specifications in standard type face are for TJ= +25°C and those in boldface type apply over the full operating junction

temperature range. Unless otherwise specified: VIN = 48V, VCC = 10V, and RT = 26.7KΩ

Symbol

Parameter

Conditions

Min(1)

Typ(2)

Max(1)

Units

Startup Regulator

VCCReg

VCC Regulation

open ckt

7.4

7.7

8.0

VCC Current Limit

See(3)

I-VIN

Startup Regulator Leakage

VIN = 90V

150

500

µA

(external Vcc Supply)

IIN

Shutdown Current

SS = 0V, VCC = open

250

350

µA

VCC Supply

VCC undervoltage Lockout Voltage

VccReg

VccReg -

- 300mV

100mV

Undervoltage Hysteresis

1.2

1.6

2.1

ICC

Supply Current

Cload = 0

(1)

Limits are 100% production tested at 25°C. Limits over the operating temperature range are guaranteed through correlation using

Statistical Quality Control (SQC) methods. The limits are used to calculate TI's Average Outgoing Quality Level (AOQL).

(2)

Typical numbers represent the most likely parametric norm for 25°C operation.

(3)

The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(MAX), the junction-to-ambient thermal

resistance,

θJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperture is calculated

will cause excessive die temperature, and the device will go into thermal shutdown.

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