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NXP Semiconductors Electronic Components Datasheet

SSL21101T Datasheet

GreenChip driver

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SSL21101T
GreenChip driver for LED lighting
Rev. 3 — 7 June 2012
Product data sheet
1. General description
The SSL21101T is a Switch Mode Power Supply (SMPS) driver IC. It is designed to drive
LED devices typically in flyback configurations. The device includes a high-voltage power
switch and a circuit enabling start-up directly from the rectified mains voltage. It has
accurate control of the output current.
2. Features and benefits
Small Printed-Circuit Board (PCB) footprint and compact solution with a small form
factor
Ease of integration
Low component count (complete application with about 25 components)
AC/DC offline non-dimmable LED driver from 100 V (AC) to 230 V (AC)
Primary side sensing (no optocoupler required)
True current source behavior:
LED current independent of mains voltage, LED voltage, temperature and coil
variation
High LED current accuracy (3 %)
Efficiency up to 90 % depending on the application
Smart Digital Control (SDC) to deal with all kind of applications:
High-Power Factor (PF; > 0.95) and low Total Harmonic Distortion Mode (THD
down to 20 %)
Small form factor (low LED current mode ripple with small electrolytic capacitors) -
compatible with exception clause IEC61000-3-2
Internal protections:
Short-winding protection
Internal OverTemperature Protection (OTP)
LED short protection
LED open protection
UnderVoltage LockOut (UVLO)
External temperature protection with built-in Negative Temperature Coefficient (NTC)
Internal supply voltage generation enabling start-up from the rectified mains voltage
Compatible with wall switches with built-in indication light during standby
SO14 package


NXP Semiconductors Electronic Components Datasheet

SSL21101T Datasheet

GreenChip driver

No Preview Available !

NXP Semiconductors
SSL21101T
GreenChip driver for LED lighting
3. Applications
The SSL21101T is suitable for different power requirements:
SSL, retrofit lamps (for example: small-size light bulbs, LED spots, up to 10 W or
12 W
LED modules, mains AC/DC converter (for example: down-lights, up to 15 W)
LED strings (for example: retail display; up to 15 W)
4. Quick reference data
Table 1.
Symbol
VCC
RDSon
fsw(max)
IM(DRAIN)
VDRAIN
Quick reference data
Parameter
Conditions
supply voltage
functional
drain-source on-state resistance
maximum switching frequency
Tj = 25 C
Tj = 125 C
DCM mode;
main = 50 Hz;
mode = 50 kHz
DCM mode;
main = 60 Hz;
mode = 50 kHz
DCM mode;
modemain = 50 Hz;
mode = 100 kHz
DCM mode;
main = 60 Hz;
mode = 100 kHz
peak current on pin DRAIN
voltage on pin DRAIN
[1] For a given VI(ILEDREF) and VNTC > 1.25 V. See Table 5.
5. Ordering information
Min
13
-
-
[1] 49.7
Typ
22
6.8
9.5
51.2
Max
25.5
-
-
52.7
Unit
V
kHz
[1] 59.7
61.4
63.2
kHz
[1] 99.4
102.4 105.4 kHz
[1] 119.4
122.9
126.4
kHz
0-
0.4 -
1.2
+700
A
V
Table 2. Ordering information
Type number
Package
Name
Description
SSL21101T/1
SO14
plastic small outline package; 14 leads; body width 3.9 mm
Version
SOT108-1
SSL21101T
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 7 June 2012
© NXP B.V. 2012. All rights reserved.
2 of 22


Part Number SSL21101T
Description GreenChip driver
Maker NXP
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