SSL1522T NXP [NXP Semiconductors], SSL1522T Datasheet

SSL1522T

Manufacturer Part Number

SSL1522T

Description

SMPS ICs for mains LED drivers

Manufacturer

NXP [NXP Semiconductors]

Datasheet

1.SSL1522T.pdf (17 pages)

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1. General description

2. Features

The SSL152x family is a Switched Mode Power Supply (SMPS) controller IC that operates

directly from the rectiﬁed universal mains. It is implemented in the high-voltage

EZ-HV SOI process, combined with a low-voltage BiCMOS process. The device includes

a high-voltage power switch and a circuit for start-up directly from the rectiﬁed mains

voltage.

A dedicated circuit for valley switching is built in, which makes a very efﬁcient slim-line

electronic concept for solid state lighting applications possible.

The SSL152x can operate in applications with a power range of up to 15 W. For a power

range between 15 W and 25 W the SSL1623PH is the best choice. For LED powers above

25 W the SSL1750 can be used.

In its most basic version of application, the SSL152x family acts as a voltage source.

Here, no additional secondary electronics are required. A combined voltage and current

source can be realized with minimum costs for external components. Implementation of

the SSL152x family renders an efﬁcient and low cost power supply system for mains LED

drivers.

SSL152x

SMPS ICs for mains LED drivers

Rev. 01 — 15 September 2008

Designed for mains LED drivers up to 15 W

Integrated power switch:

Operates from universal AC mains supplies (80 V to 276 V)

Adjustable frequency for ﬂexible design

RC oscillator for load insensitive regulation loop constant

Valley switching for minimum switch-on loss

Frequency reduction at low power output makes low standby power possible

(< 100 mW)

Adjustable overcurrent protection

Undervoltage protection

Temperature protection

Short circuit winding protection

Simple application with both primary and secondary (opto) feedback

Available in DIP8 and SO14 packages

SSL1522: 12 ; 650 V

SSL1523: 6.5 ; 650 V

Product data sheet

Related parts for SSL1522T

SSL1522T Summary of contents

Page 1

SSL152x SMPS ICs for mains LED drivers Rev. 01 — 15 September 2008 1. General description The SSL152x family is a Switched Mode Power Supply (SMPS) controller IC that operates directly from the rectiﬁed universal mains implemented in ...

Page 2

... Ordering information Table 2. Ordering information Type number Package Name Description SSL1523P DIP8 plastic dual in-line package; 8 leads (300 mil) SSL1522T SO14 plastic small outline package; 14-leads; body width 3.9 mm SSL152x_1 Product data sheet Conditions DMOS power transistor; T > SSL1522 0.25 A ...

Page 3

NXP Semiconductors 6. Block diagram 1 ( SSL152x 2 ( 10) GND stop 3 (6) OSCILLATOR RC low freq (7) REG Pin numbers without parenthesis refer to ...

Page 4

NXP Semiconductors 7. Pinning information 7.1 Pinning Fig 2. 7.2 Pin description Table 3. Symbol V CC GND GND GND GND RC REG AUX GND GND SOURCE n.c. n.c. DRAIN SSL152x_1 Product data sheet DRAIN CC GND ...

Page 5

NXP Semiconductors 8. Functional description The SSL152x family is the heart of a compact ﬂyback converter, with the IC placed at the primary side. The auxiliary winding of the transformer can be used for indirect feedback to control the isolated ...

Page 6

NXP Semiconductors 8.4 Valley switching A new cycle is started when the primary switch is switched on (see certain time (determined by the oscillator voltage RC and the internal regulation level), the switch is turned off and the secondary stroke ...

Page 7

NXP Semiconductors Figure 5 the output voltage V the factor N (determined by the turns ratio of the transformer). system switches exactly at minimum drain voltage for ringing frequencies of 480 kHz, thus reducing the switch-on losses to a minimum. ...

Page 8

NXP Semiconductors 8.9 OverTemperature Protection (OTP) An accurate temperature protection is provided in the device. When the junction temperature exceeds the thermal shutdown temperature, the IC stops switching. During thermal protection, the IC current is lowered to the start-up current. ...

Page 9

NXP Semiconductors 9. Limiting values Table 4. In accordance with the Absolute Maximum Rating System (IEC 60134). All voltages are measured with respect to ground; positive currents ﬂow into the device; pins V current driven and pins REG and AUX ...

Page 10

NXP Semiconductors [1] Thermal resistance R printed-circuit board. See the SSL152x application notes for details. 11. Characteristics Table 6. Characteristics Measurement data valid overtemperature; all voltages are measured with respect to ground; currents are ...

Page 11

NXP Semiconductors Table 6. Characteristics …continued Measurement data valid overtemperature; all voltages are measured with respect to ground; currents are amb positive when ﬂowing into the IC; unless otherwise speciﬁed. Symbol Parameter FET output ...

Page 12

NXP Semiconductors 12. Application information mains R1 Fig 6. Typical conﬁguration of SSL152x - primary sensing SSL152x_1 Product data sheet LF CF1 CF2 VCC SSL152XP ...

Page 13

NXP Semiconductors 13. Package outline DIP8: plastic dual in-line package; 8 leads (300 mil pin 1 index 1 DIMENSIONS (inch dimensions are derived from the original mm dimensions UNIT max. min. max. ...

Page 14

NXP Semiconductors SO14: plastic small outline package; 14 leads; body width 3 pin 1 index 1 e DIMENSIONS (inch dimensions are derived from the original mm dimensions) A UNIT max. ...

Page 15

NXP Semiconductors 14. Abbreviations Table 7. Acronym BiCMOS DMOS ESR EZ-HV SOI FET SMPS SOPS 15. Revision history Table 8. Revision history Document ID Release date SSL152x_1 20080915 SSL152x_1 Product data sheet Abbreviations Description Bipolar Complementary Metal Oxide Semiconductor Diffusion ...

Page 16

NXP Semiconductors 16. Legal information 16.1 Data sheet status [1][2] Document status Product status Objective [short] data sheet Development Preliminary [short] data sheet Qualiﬁcation Product [short] data sheet Production [1] Please consult the most recently issued document before initiating or ...

Page 17

NXP Semiconductors 18. Contents 1 General description . . . . . . . . . . . . . . . . . . . . . . 1 2 Features . . . . . . . . ...

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