SSL4101T

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© NXP B.V. 2011. All rights reserved.

Product data sheet

Rev. 1 — 21 April 2011

3 of 29

NXP Semiconductors

SSL4101T

GreenChip III+ SMPS control IC

3.

Applications

The device can be used in all LED lighting applications that require a very efficient, low

THD, high PF, true universal input voltage and cost-effective power supply solution

between 10 W and 300 W.

4.

Ordering information

5.

Block diagram

Table 1.

Ordering information

Type

number

Package

Name

Description

Version

SSL4101T

SO16

plastic small outline package; 16 leads; body width 3.9 mm

SOT109-1

Remark: The time-out is safe restart for the SSL4101T.

Fig 1.

Block diagram

LOW

VIN

PFC

PROT

VoOVP

VoSTART FB

VoSHORT

LOW VIN

OCP

PFC DRIVER

ENABLE PFC

START STOP PFC

500 mV

SOFT START

PFCGATE

VALLEY

DETECT

ZCS

BLANK

2.50 V

2.7 V

1.25 V

MAX

PROT

EXT PROT

CHARGE

CONTROL

STARTFB

START STOP

PFC

VCC GOOD

PROT

CHARGE

PFC

OSC

PFC PROT

PROT

ENABLE PFC

R

S

Q

VCC GOOD

VoSTART FB

LOW POWER

EXT PROT

SMPS

CONTROL

START

SOFT

START FB

ENABLE FB

BLANK

Q

R

S

FB

OSC

TON MAX

Freq

Red.

EXT PROT

LOW

POWER

TIME

OUT

FB DRIVER

FB GATE

DRV

12

13

PFC DRIVER

PFC GATE

VINSENSE

PFCCOMP

VOSENSE

PFCSENSE

PFCAUX

OTP

CHARGE

VALLEY

DETECT

OTP

INTERNAL

SUPPLY

ZCS

FB GATE

FBAUX

FBSENSE

COUNTER

OVP

OvpFB

1.12 V

3.5 V

7

6

11

8

9

HV

16

1

GND

5

3

10

4

FBCTRL

LATCH

80 mV

PFCDRIVER

FBDRIVER

001aan671

DRV

PROT

ENABLE

FB

80 μA

60 μA

30 μA

60 μA

3.7 V

LOW

POWER

OCP

Freq. Red.

1.25 V

FB

DRIVER

2.5 V

3.5 V

TEMP

100 mV

TIMEOUT

TON MAX

VoSHORT

SAFE

RESTART

PROTECTION

S

S

R

S

OPP

OPP

OPP

MIN

2

EXT PROT

OTP

FBOVP

LATCH RESET

LATCHED

PROTECTION

S

S

R

S