MCP1640(2015) Просмотр технического описания (PDF) - Microchip Technology

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производитель

MCP1640
(Rev.:2015)

0.65V Start-Up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option

Microchip Technology 

MCP1640/B/C/D

DC CHARACTERISTICS (CONTINUED)

Electrical Characteristics: Unless otherwise indicated, VIN = 1.2V, COUT = CIN = 10 µF, L = 4.7 µH, VOUT = 3.3V,

IOUT = 15 mA, TA = +25°C. Boldface specifications apply over the TA range of -40°C to +85°C.

Parameters

Sym.

Min. Typ. Max. Units

Conditions

NMOS Switch On Resistance

RDS(ON)N

—

0.6

—

 VIN = 3.3V, ISW = 100 mA

PMOS Switch On Resistance

RDS(ON)P

—

0.9

—

 VIN = 3.3V, ISW = 100 mA

NMOS Peak Switch Current

Limit

IN(MAX)

600 850

—

mA Note 4

VOUT Accuracy

Line Regulation

Load Regulation

Maximum Duty Cycle

Switching Frequency

EN Input Logic High

EN Input Logic Low

EN Input Leakage Current

Soft-Start Time

Thermal Shutdown Die

Temperature

VOUT%

-3

—

VOUT/VOUT) -1

/VIN|

VOUT/VOUT| -1

0.01

0.01

DCMAX

fSW

VIH

VIL

IENLK

tSS

88

90

425 500

90

—

—

—

— 0.005

—

750

TSD

—

150

+3

% Includes Line and Load

Regulation; VIN = 1.5V

1

%/V VIN = 1.5V to 3V

IOUT = 25 mA

1

% IOUT = 25 mA to 100 mA;

VIN = 1.5V

—

%

575

kHz

— %of VIN IOUT = 1 mA

20 %of VIN IOUT = 1 mA

—

µA VEN = 5V

—

µS EN Low-to-High,

90% of VOUT; Note 5

—

C

Die Temperature Hysteresis

TSDHYS

—

10

—

C

Note 1: 3.3 k resistive load, 3.3VOUT (1 mA).

2: For VIN > VOUT, VOUT will not remain in regulation.

3: IQOUT is measured at VOUT; VOUT is externally supplied with a voltage higher than the nominal 3.3V output

(device is not switching); no load; VIN quiescent current will vary with boost ratio. VIN quiescent current

can be estimated by: (IQPFM * (VOUT/VIN)), (IQPWM * (VOUT/VIN)).

4: Peak current limit determined by characterization, not production tested.

5: 220 resistive load, 3.3VOUT (15 mA).

TEMPERATURE SPECIFICATIONS

Electrical Specifications: Unless otherwise indicated, VIN = 1.2V, COUT = CIN = 10 µF, L = 4.7 µH, VOUT = 3.3V, IOUT = 15 mA.

Parameters

Sym. Min. Typ.

Max. Units

Conditions

Temperature Ranges

Operating Junction Temperature

TJ

Range

Storage Temperature Range

TA

Maximum Junction Temperature

TJ

Package Thermal Resistances

Thermal Resistance, 6LD-SOT-23

JA

Thermal Resistance, 8LD-2x3 DFN JA

-40

—

+125

°C Steady State

-65

—

+150

°C

—

—

+150

°C Transient

— 190.5

—

75

—

°C/W

—

°C/W

DS20002234D-page 4

 2010-2015 Microchip Technology Inc.

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