LM5116MHX datasheet, PDF - EEWORLD Datasheet

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LM5116MHX: Description2A SWITCHING CONTROLLER, 590kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20; CategoryPower/power management The power supply circuit; File Size1MB，27 Pages; ManufacturerRochester Electronics; Websitehttps://www.rocelec.com/; Environmental Compliance

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LM5116MHX Overview

2A SWITCHING CONTROLLER, 590kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20

LM5116MHX Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	incompatible
Maker	Rochester Electronics
Parts packaging code	TSSOP
package instruction	TSSOP-20
Contacts	20
Reach Compliance Code	unknown
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
control mode	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION
Maximum input voltage	100 V
Minimum input voltage	6 V
Nominal input voltage	48 V
JESD-30 code	R-PDSO-G20
JESD-609 code	e0
length	6.5 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	20
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Maximum output current	2 A
Package body material	PLASTIC/EPOXY
encapsulated code	HTSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
Maximum seat height	1.1 mm
surface mount	YES
Switch configuration	PUSH-PULL
Maximum switching frequency	590 kHz
Temperature level	AUTOMOTIVE
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
width	4.4 mm

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LM5116

Connection Diagram

30007502

Top View

See NS Package Number MXA20A

Ordering Information

Ordering Number

LM5116MH

LM5116MHX

Package Type

TSSOP-20EP

NSC Package Drawing

MXA20A

Supplied As

73 Units Per Anti-Static Tube

2500 units shipped as Tape & Reel

Pin Descriptions

Name

VIN

UVLO

Description

Chip supply voltage, input voltage monitor and input to the VCC regulator.

If the UVLO pin is below 1.215V, the regulator will be in standby mode (VCC regulator running, switching regulator

disabled). If the UVLO pin voltage is above 1.215V, the regulator is operational. An external voltage divider can be

used to set an under-voltage shutdown threshold. There is a fixed 5 µA pull up current on this pin when EN is high.

UVLO is pulled to ground in the event a current limit condition exists for 256 clock cycles.

The internal oscillator is set with a single resistor between this pin and the AGND pin. The recommended frequency

range is 50 kHz to 1 MHz. The internal oscillator can be synchronized to an external clock by AC coupling a positive

edge onto this node.

If the EN pin is below 0.5V, the regulator will be in a low power state drawing less than 10 µA from VIN. EN must be

pulled above 3.3V for normal operation. The maximum EN transition time for proper operation is one switching period.

Ramp control signal. An external capacitor connected between this pin and the AGND pin sets the ramp slope used

for current mode control.

Analog ground.Connect to PGND through the exposed pad ground connection under the LM5116.

An external capacitor and an internal 10 µA current source set the soft start time constant for the rise of the error

amp reference. The SS pin is held low during VCC < 4.5V, UVLO < 1.215V, EN input low or thermal shutdown.

Feedback signal from the regulated output. This pin is connected to the inverting input of the internal error amplifier.

The regulation threshold is 1.215V.

Output of the internal error amplifier. The loop compensation network should be connected between this pin and the

FB pin.

Output monitor. Connect directly to the output voltage.

Low-side MOSFET source voltage monitor for diode emulation. For start-up into a pre-biased load, tie this pin to

ground at the CSG connection. For fully synchronous operation, use an external series resistor between DEMB and

ground to raise the diode emulation threshold above the low-side SW on-voltage.

RT/

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VOUT

DEMB

www.national.com

LM5116MHX Related Products

	LM5116MHX	LM5116MHX/NOPB	LM5116MH/NOPB	LM5116MH
Description	2A SWITCHING CONTROLLER, 590kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20	2 A SWITCHING CONTROLLER, 590 kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20	SWITCHING CONTROLLER, 590 kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20	2A SWITCHING CONTROLLER, 590kHz SWITCHING FREQ-MAX, PDSO20, TSSOP-20
Is it lead-free?	Lead free	Contains lead	Contains lead	Contains lead
Maker	Rochester Electronics	Rochester Electronics	Rochester Electronics	Rochester Electronics
Parts packaging code	TSSOP	TSSOP	TSSOP	TSSOP
package instruction	TSSOP-20	HTSSOP,	HTSSOP,	TSSOP-20
Contacts	20	20	20	20
Reach Compliance Code	unknown	unknown	unknown	unknown
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER	SWITCHING CONTROLLER
control mode	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE	CURRENT-MODE
Control Technology	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION	PULSE WIDTH MODULATION
Maximum input voltage	100 V	100 V	100 V	100 V
Minimum input voltage	6 V	6 V	6 V	6 V
Nominal input voltage	48 V	48 V	48 V	48 V
JESD-30 code	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20	R-PDSO-G20
JESD-609 code	e0	e0	e0	e0
length	6.5 mm	6.5 mm	6.5 mm	6.5 mm
Humidity sensitivity level	1	1	1	1
Number of functions	1	1	1	1
Number of terminals	20	20	20	20
Maximum operating temperature	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	HTSSOP	HTSSOP	HTSSOP	HTSSOP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260	260	260	260
Maximum seat height	1.1 mm	1.1 mm	1.1 mm	1.1 mm
surface mount	YES	YES	YES	YES
Switch configuration	PUSH-PULL	PUSH-PULL	PUSH-PULL	PUSH-PULL
Maximum switching frequency	590 kHz	590 kHz	590 kHz	590 kHz
Temperature level	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE
Terminal surface	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	0.65 mm	0.65 mm	0.65 mm	0.65 mm
Terminal location	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	40	40	40	40
width	4.4 mm	4.4 mm	4.4 mm	4.4 mm
Maximum output current	2 A	2 A	-	2 A

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