SSL4120T 查看數據表（PDF） - NXP Semiconductors.

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SSL4120T

Resonant power supply controller IC with PFC for LED lighting

NXP Semiconductors. 

NXP Semiconductors

SSL4120

Resonant power supply controller IC with PFC for LED lighting

Table 2. Pin description …continued

Symbol

Pin Description

SUPHV

12 internal HV start-up source high-voltage supply input.

Externally connected to the boost voltage

GATEHS

13 HBC high-side MOSFET gate driver output

SUPHS

14 high-side driver supply input.

Externally connected to the bootstrap capacitor

HB

15 reference for high-side driver and input for half-bridge slope detection.

Externally connected to half-bridge node HB between HBC MOSFETs (see

Figure 19)

n.c.

16 not connected; high-voltage spacer

SNSCURHBC 17 momentary HBC current sense input.

Externally connected to the resonant current sense resistor

SGND

18 signal ground and IC reference (ground).

CFMIN

19 HBC minimum frequency setting.

Externally connected to the capacitor

RFMAX

20 HBC maximum frequency setting.

Externally connected to the resistor

SNSFB

21 output voltage regulation feedback sense input.

Externally connected to opto-coupler

SSHBC/EN 22

• HBC soft-start timing input

• IC enable input. Enables PFC only or both PFC and HBC controllers.

Externally connected to soft-start capacitor and enable pull-down signal

RCPROT

23 protection timer setting for time-out and restart.

Externally connected to resistor and capacitor

SNSBOOST 24 sense input for boost voltage regulation.

Externally connected to resistive divided Vboost

SSL4120

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 2.1 — 18 February 2014

© NXP B.V. 2014. All rights reserved.

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