R2A20111SP datasheet(9/41 Pages) RENESAS

tên linh kiện	R2A20111SP

Giải thích chi tiết về linh kiện	Power Factor Correction Controller IC

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R2A20111SP/DD

REJ03F0231-0100 Rev.1.00 Mar 28, 2007

Page 9 of 40

Electrical Characteristics (cont.)

(Ta = 25

°C, VCC = 12 V, RT = 27 kΩ, CT = 1000 pF)

Item

Symbol

Min

Typ

Max

Unit

Test Conditions

PFC enable voltage

Von-pfc

0.74

0.82

0.9

Input pin: PFC-ON

PFC disable voltage

Voff-pfc

0.71

0.79

0.86

Input pin: PFC-ON

PFC disable delay

threshold voltage

Vd-pfc

1.05

1.20

1.30

Input pin: DELAY

Input current

Ipfc-on

–1.0

–0.2

μA

PFC-ON = 2 V

B+ OVP set voltage

dVovps

0.125

0.188

0.250

Input pin: FB *

B+ OVP reset

voltage

dVovpr

0.075

0.138

0.200

Input pin: FB *

FB low set voltage

Vfbls

0.425

0.52

0.615

Input pin: FB

DELAY source

current

Isrc-delay

–47.5

–42.5

–38

μA

DELAY = 1 V

RT = 27 k

Supervisor

DELAY sink current

Isnk-delay

—

770

—

μA

DELAY = 1 V

RT = 27 k

Ω *2

Note:

1. dVovps = Vovps – Vref

× 0.5

dVovpr = Vovpr – Vref

× 0.5

Vovps

Vovpr

OUT

Vref

× 0.5

Vfbls

2. Design spec.

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