HV9861ALG-G Supertex, HV9861ALG-G Datasheet

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HV9861ALG-G

Manufacturer Part Number
HV9861ALG-G
Description
LED Lighting Drivers LED DRIVER AVG MODE CONSTANT CURRENT
Manufacturer
Supertex
Datasheet

Specifications of HV9861ALG-G

Product Category
LED Lighting Drivers
Rohs
yes
Input Voltage
12 V to 450 V
Maximum Supply Current
3.5 mA
Maximum Operating Temperature
+ 150 C
Mounting Style
SMD/SMT
Package / Case
SOIC-8
Minimum Operating Temperature
- 40 C
Power Dissipation
650 mW
Factory Pack Quantity
2500

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
HV9861ALG-G
Manufacturer:
RENESAS
Quantity:
1 001
Features
Applications
Typical Application Circuit
Doc.# DSFP-HV9861A
B022613
Fast average current control
Programmable constant off-time switching
PWM / linear dimming input
Output short circuit protection with skip mode
Ambient operating temperature -40
+125
Pin-compatible with the HV9910B and HV9961
DC/DC or AC/DC LED driver applications
LED backlight driver for LCD displays
General purpose constant current source
LED signage and displays
Architectural and decorative LED lighting
LED street lighting
15VDC to
450VDC
O
C
PWMD
VDD
LD
LED Driver with Average-Mode,
HV9861A
Constant Current Control
GND
VIN
O
GATE
C to
CS
RT
General Description
The HV9861A is a patented, average-mode, constant current control
LED driver IC operating in a constant off-time mode. Unlike the
HV9910B, this control IC does not produce a peak-to-average error,
and therefore greatly improves the accuracy, line and load regulation
of the LED current without any need for loop compensation or high-
side current sensing. The output LED current accuracy is ±3%.
The IC is equipped with a current limit comparator for hiccup-mode
output short circuit protection. Internal over-temperature protection
is provided. The internally regulated voltage (V
is 7.5V.
The IC can be powered from a 15 - 450V supply. A PWM dimming
input is provided that accepts an external control TTL-compatible
signal. The output current can be programmed by an internal 270mV
reference, or controlled externally through a 0 - 1.5V dimming input.
The IC is pin-to-pin compatible with the Supertex HV9910B and
HV9961, and can be used as a drop-in replacement for many
applications to improve the LED current accuracy and regulation.
R
T
R
CS
Sets
LED
Current
Supertex inc.
DD
) for the HV9861A
www.supertex.com
LED
Load

Related parts for HV9861ALG-G

HV9861ALG-G Summary of contents

Page 1

... The output current can be programmed by an internal 270mV reference, or controlled externally through 1.5V dimming input. The IC is pin-to-pin compatible with the Supertex HV9910B and HV9961, and can be used as a drop-in replacement for many applications to improve the LED current accuracy and regulation. ...

Page 2

... Ordering Information Part Number Package HV9861ALG-G 8-Lead SOIC (Narrow Body) HV9861ANG-G 16-Lead SOIC (Narrow Body) 45/Tube HV9861ANG-G M934 16-Lead SOIC (Narrow Body) 2500/Reel -G denotes a lead (Pb)-free / RoHS compliant package Absolute Maximum Ratings Parameter V to GND GND DD LD, PWMD, GATE to GND ...

Page 3

... V falling rising LD 290 ns --- 760 30mV CS Reduction in output LED current - % may occur beyond this duty cycle 510 mV --- 150 30mV CS 850 μs --- 430 < +125°C. A Supertex inc. www.supertex.com = 226kΩ = 226kΩ = 226kΩ C • ...

Page 4

... PWMD = V unless otherwise noted Max Unit Conditions 1MΩ T μ 226kΩ 0V 7.5V GATE 7.5V GATE 500pF, V GATE 500pF, V GATE --- - O C --- VDD + - UVLO POR GATE PWMD 11µA Current RT Mirror i Supertex inc. www.supertex.com = 7.5V = 7.5V ...

Page 5

... IN excessively complex and expensive in offline AC or other high-voltage DC applications. The HV9861A employs Supertex’ patented control scheme, achieving fast and very accurate control of average current in the buck inductor through sensing the switch current only. No compensation of the current control loop is required. The LED current response to PWMD input is similar to that of the HV9910B ...

Page 6

... J(MAX 390V IN(MAX) R • I θ,J the maximum A = 125 J(MAX) = 128 O C/W. θ,JA ≈ 1.0mA + Q • the switching frequency, and Q S Supertex inc. HV9861A = 2.0mA IN (5) C, the junction www.supertex.com ...

Page 7

... If voltage at LD falls LD below 150mV, the GATE output is disabled. The GATE signal recovers at 200mV at LD. A resistor connected between this pin and GND programs the GATE off- RT time connection. 7 HV9861A • 0.18) level at CS. The cir- LD Supertex inc. www.supertex.com ...

Page 8

... A A1 MIN 1.35* 0.10 Dimension NOM - - (mm) MAX 1.75 0.25 JEDEC Registration MS-012, Variation AA, Issue E, Sept. 2005. * This dimension is not specified in the JEDEC drawing. Drawings are not to scale. Supertex Doc. #: DSPD-8SOLGTG, Version I041309. Doc.# DSFP-HV9861A B022613 Note 1 (Index Area D/2 x E1/ Note 1 A Seating Plane ...

Page 9

... JEDEC Registration MS-012, Variation AC, Issue E, Sept. 2005. * This dimension is not specified in the JEDEC drawing. Drawings are not to scale. Supertex Doc. #: DSPD-16SONG, Version G041309. (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to http://www.supertex.com/packaging.html.) does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such applications unless it receives Supertex inc ...

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