LM3370 datasheet(6/33 Pages) TI1

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LM3370

SNVS406N – NOVEMBER 2005 – REVISED MAY 2013

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Absolute Maximum Ratings

(1) (2) (3)

VIN1 , VIN2 VDD to PGND and SGND

−0.2V to 6V

PGND to SGND

−0.2V to +0.2V

SDA, SCL, EN, EN2, nPOR1, nPOR2, SW1, SW2, FB1 and FB2

(GND - 0.2) to (VIN + 0.2V)

Maximum Continuous Power

Dissipation (PD_MAX)

(4)

Internally Limited

Junction Temperature (TJ-MAX)

125°C

Storage Temperature Range

−65°C to +150°C

Maximum Lead Temperature

(Soldering)

(5)

ESD Ratings (6)

All Pins

2 kV HBM

200V MM

(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 ensured. Operating Ratings do not imply ensured performance limits. For ensured performance limits and

associated test conditions, see Electrical Characteristics.

(2)

All voltages are with respect to the potential at the GND pin.

(3)

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

specifications.

(4)

Internal thermal shutdown circuitry protects the device from permanent damage. The thermal shutdown engages at TJ = 150°C (typ.)

and disengages at TJ = 140°C(typ.).

(5)

For detailed soldering specifications and information, please refer to Texas Instruments Application Note 1187: Leadless Leadframe

Package (LLP) (SNOA401).

(6)

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

Ω resistor into each pin. (MIL-STD-883 3015.7) The machine

model is a 200 pF capacitor discharged directly into each pin. (EAIJ)

Operating Ratings

(1) (2)

Input Voltage Range ((3))

2.7V to 5.5V

Recommended Load Current Per Channel

0 mA to 600 mA

Junction Temperature (TJ) Range

−30°C to +125°C

Ambient Temperature (TA) Range

(4)

−30°C to +85°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 ensured. Operating Ratings do not imply ensured performance limits. For ensured performance limits and

associated test conditions, see Electrical Characteristics.

(2)

All voltages are with respect to the potential at the GND pin.

(3)

Input voltage range for all voltage options is 2.7V to 5.5V. The voltage range recommended for the specified output voltages: VIN = 2.7V

to 5.5V for 1V

≤ VOUT ≤ 1.7V and for VOUT = 1.8V or greater, VIN = VOUT + 1VorVIN,MIN = ILOAD * (RDSON_PFET + RDCR_INDUCTOR) + VOUT

(4)

In applications where high power dissipation and/or poor package thermal resistance is present, the maximum ambient temperature may

have to be de-rated. Maximum ambient temperature (TA-MAX) is dependent on the maximum operating junction temperature (TJ-MAX-OP =

125ºC), the maximum power dissipation of the device in the application (PD-MAX), and the junction-to-ambient thermal resistance of the

part/package in the application (

θJA), as given by the following equation: TA-MAX = TJ-MAX-OP – (θJA × PD-MAX).

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