CS1615 데이터 시트보기 (PDF) - Cirrus Logic

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CS1615

Single Stage Dimmable Offline AC/DC Controller for LED Lamps

Cirrus Logic 

CS1615/16

Parameter

Flyback/Buck-boost Protections

Overcurrent Protection (OCP)

(Note 4)

Overvoltage Protection (OVP)

(Note 5)

Open Loop Protection (OLP)

(Note 4)

External Overtemperature Protection (eOTP)

Pull-up Current Source – Maximum

Conductance Accuracy

(Note 6)

Conductance Offset

(Note 6)

Current Source Voltage Threshold

Internal Overtemperature Protection (iOTP)

Thermal Shutdown Threshold

(Note 7)

Thermal Shutdown Hysteresis

(Note 7)

Condition

Symbol

Min

VOCP(th)

-

VOVP(th)

-

VOLP(th)

-

ICONNECT

-

-

-

VCONNECT(th)

-

TSD

-

TSD(Hy)

-

Typ

1.69

1.25

200

80

-

± 250

1.25

135

14

Max Unit

-

V

-

V

-

mV

-

A

±5



-

nS

-

V

-

ºC

-

ºC

Notes:

1.

The CS1615/16

the VDD Supply

has an internal

Voltage section

shunt regulator

on page 4.

that

limits

the

voltage

on

the

VDD

pin.

Shunt

regulation

voltage

VZ

is

defined

in

2. For test purposes, load capacitance CL is connected to pin GD and is equal to 0.25nF.

3. External circuitry should be designed to ensure that the ZCD current drawn from the internal clamp diode when it is forward biased

does not exceed specification.

4. Protection is implemented using pin FBSENSE. See the CS1615/16 Block Diagram on page 2.

5. Protection is implemented using pin FBAUX. See the CS1615/16 Block Diagram on page 2

6. The conductance is specified in Siemens (S or 1/). Each LSB of the internal ADC corresponds to 250nS or one parallel 4M

resistor. Full scale corresponds to 256 parallel 4M resistors or 15.625k.

7. Specifications are guaranteed by design and are characterized and correlated using statistical process methods.

DS961F1

5

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