FAN5365UC06X データシートの表示（PDF） - Fairchild Semiconductor

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FAN5365UC06X

1A / 0.8A, 6MHz Digitally Programmable Regulator

Fairchild Semiconductor 

Electrical Specifications (Continued)

Unless otherwise noted, over the recommended operating range for VIN and TA, EN = VSEL = SCL = SDA = 1.8V, and register

VSEL0[6] bit = 1. Typical values are at VIN = 3.6V, TA = 25°C. Circuit and components according to Figure 1.

Symbol Parameter

DAC

Conditions

Min. Typ. Max. Units

Timing

I2CEN

Resolution

Differential Nonlinearity

EN HIGH to I2C Start

tV(L-H) VOUT LOW to HIGH Settling

Soft-Start

Monotonicity Assured by Design

Transition from 0.75V to 1.438V

VOUT Settled to within 2% of Setpoint

6

Bits

0.8 LSB

250

μs

7

μs

tSS

Regulator Enable to Regulated VOUT RLOAD > 5Ω, to VOUT = Power-up Default

Notes:

11. Limited by the effect of tOFF minimum (see Figure 14 in Typical Performance Characteristics).

140 180 μs

Block Diagram

EN

VSEL

SDA

SCL

I2C

INTERFACE

AND LOGIC

6 Mhz Osc

Q1

DAC

REF

SOFT START

Q2

FPWM

MODULATOR

EN_REG

CLK

Figure 3 Block Diagram

VIN

VIN

CIN

SW

L

PGND

VOUT

AGND

VOUT

COUT

© 2008 Fairchild Semiconductor Corporation

FAN5365 • Rev. 1.0.4

6

www.fairchildsemi.com

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