SSL1750 datasheet(20/29 Pages) NXP

20 / 29 page

SSL1750_1

Product data sheet

Rev. 01 — 15 September 2008

20 of 29

NXP Semiconductors

SSL1750

SMPS control IC for LED drivers

[1]

Equivalent to discharging a 100 pF capacitor through a 1.5 k

Ω series resistor.

[2]

Equivalent to discharging a 200 pF capacitor through a 0.75

µH coil and a 10 Ω resistor.

Thermal characteristics

10. Characteristics

IFBSENSE

current on

pin FBSENSE

−1

+10

IFBDRIVER

current on

pin FBDRIVER

duty cycle < 10 %

−0.8

IPFCDRIVER current on

pin PFCDRIVER

duty cycle < 10 %

−0.8

IHV

current on pin HV

General

Ptot

total power dissipation

Tamb <75 °C

0.6

Tstg

storage temperature

−55

+150

°C

junction temperature

−20

+150

°C

ESD

VESD

electrostatic discharge

voltage

class 1

human body model

pins 1 to 13

[1] -

2000

pin 16 (HV)

[1] -

1500

machine model

[2] -

200

charged device model

500

Table 3.

Limiting values …continued

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max

Unit

Table 4.

Thermal characteristics

Symbol

Parameter

Conditions

Typ

Unit

Rth(j-a)

thermal resistance from

junction to ambient

in free air; JEDEC test board

124

K/W

Table 5.

Characteristics

Measurement data valid at Tamb =25 °C; VCC = 20 V; all voltages are measured with respect to ground (pin 2); currents are

positive when ﬂowing into the IC; unless otherwise speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Start-up current source (pin HV)

IHV

current on pin HV

VHV >80V;

VCC <Vtrip;

Vth(UVLO) <VCC <Vstartup

-1

-mA

Vtrip <VCC <Vth(UVLO)

5.4

with auxiliary supply

µA

VBR

breakdown voltage

650

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