Product Information

SSL5251T/1J

SSL5251T/1J electronic component of NXP

Datasheet
LED Lighting Drivers Buck Boost LED Driver
Manufacturer: NXP
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
N/A

Obsolete

 More Buying Options & Price Grid(s)

Availability Price Quantity
0 - WHS 1

MOQ : 1
Multiples : 1
1 : USD 0.9938
10 : USD 0.8222
100 : USD 0.6313
500 : USD 0.5577
1000 : USD 0.475
2500 : USD 0.4526
10000 : USD 0.4439
25000 : USD 0.4166
50000 : USD 0.4103
N/A

Obsolete

Read More Specifications

     
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RoHS - XON
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Pd - Power Dissipation
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Cnhts
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Additional Infomation About Product

SSL5251T Mains dimmable buck-boost LED driver IC Rev. 1 20 July 2015 Preliminary data sheet 1. General description The SSL5251T is a highly integrated, high-precision dimmable controller with an external MOSFET. It is intended to drive LED lamps in dimmable lighting applications up to 25 W. The SSL5251T is designed for high power factor, phase-dimmable applications. The SSL5251T operates in Boundary Conduction Mode (BCM) with constant on-time control. It provides a constant output current control with good LED output current accuracy. Adaptive switching frequency gives freedom to choose the inductor, which enables the optimization of inductor size, efficiency and EMI. The SSL5251T can start up and operate in switching mode directly from an external resistor without capacitor charge pump supply or auxiliary supply. This feature simplifies the V supply. So, a low-cost off-the-shelf inductor can be used, which provides flexibility CC in application design. 2. Features and benefits Supports most available dimming solutions Deep dimming level Flicker-free dimming Low component count ensuring a compact solution and small, single layer Printed-Circuit Board (PCB) footprint Excellent line regulation and load regulation and good LED output current accuracy Efficient BCM operation with: Minimal reverse recovery losses in freewheel diode Zero Current Switching (ZCS) and Valley switching for turn-on of switch Minimum inductance value and size required High efficiency (up to 88 %) Ultra low IC current during operation (< 190 A) Auto-recovery protections: UnderVoltage LockOut (UVLO) Cycle-by-cycle OverCurrent Protection (OCP) Internal OverTemperature Protection (OTP) Output OverVoltage Protection (OVP) Output Short Protection (OSP) Extended IC lifetimeSSL5251T NXP Semiconductors Mains dimmable buck-boost LED driver IC 3. Applications The SSL5251T is intended for low-cost, non-isolated dimmable lighting applications that work from single mains voltage. 4. Quick reference data Table 1. Quick reference data Symbol Parameter Conditions Min Typ Max Unit 1 V supply voltage operating range 9.9 - 16 V CC R on-state source-switch DSon resistance T =25 C - 0.81 - j T = 125 C-1.2- j I input current on duty cycle < 20 % 2- +2 A I(SW) pin SW V input voltage on current limited at 8.8 mA 0.4 - +22 V I(SW) pin SW internal switch-off V input voltage on operating range in 0- 1.2 V I(ISNS) pin ISNS application V input/output operating range in 2- 4V IO(COMP) voltage on pin application COMP V input voltage on operating range in 0- 2V I(DIM) pin DIM application 1 An internal clamp sets the supply voltage. The current into the VCC pin must not exceed the maximum I VCC value (see Table 4). 5. Ordering information Table 2. Ordering information Type number Package Name Description Version SSL5251T SO8 plastic surface-mounted package 8 leads SOT96-1 SSL5251T All information provided in this document is subject to legal disclaimers. NXP Semiconductors N.V. 2015. All rights reserved. Preliminary data sheet Rev. 1 20 July 2015 2 of 18

HS Compliance

Tariff Desc

8542.39.23 No ..Linear/analogue and peripheral integrated circuits, timers, voltage regulators, A/D and D/A converters, telecommunication and modem integrated circuits, other than board level products Free

Electronic integrated circuits- Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits

NXP may also be referenced as

FR9
Freescale
FREESCALE SEMI
Freescale Semicon
FREESCALE SEMICONDUC
Freescale Semiconductor
Freescale Semiconductor - NXP
NXP
NXP Freescale
NXP (FREESCALE)
NXP / Freescale
NXP SEMI
NXP Semicon
NXP SEMICONDUCTOR
NXP Semiconductors
NXP USA Inc.
PH3
PHI

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