MM1548 データシートの表示（PDF） - Mitsumi

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MM1548

Secondary Control for Energy-Saving AC Adaptor

Mitsumi 

MITSUMI

Secondary Control for Energy-Saving AC Adaptor MM1548

Absolute Maximum Ratings (Ta=25°C)

Item

Symbol

Ratings

Unit

Storage temperature

TSTG

–40~+125

°C

Operating temperature

TOPR

–30~+85

°C

Supply voltage

VCC max.

–0.3~+18

V

Allowable loss

Pd

150 (alone)

mW

Recommended Operating Conditions

Item

Symbol

Ratings

Unit

Operating temperature

TOPR

–30~+85

°C

Supply voltage

VOP

+2.5~+12

V

Electrical Characteristics (unless otherwise specified, Ta=+25°C, Vcc=4.9V)

Item

Symbol

Test Conditions

Min. Typ. Max. Unit.

Current consumption1(energy saving mode) ICC1

VCC=4.4V, VOUT=4.4V, VCS=0V

60 110 µA

Current consumption2(normal mode) ICC2

VCC=5.3V, VOUT=5.0V, VCS=0V

1.5 3.0 mA

Voltage control section

Output inversion voltage

VO

IIN=5mA, VOUT=VCC–0.3V, VCS=0V

4.99 5.10 5.21 V

OUT input sink current

IOUT

VCC=4.9V, VOUT=4.9V, VCS=0V

25 150 nA

PO1 output sink current 1

IPO1 VCC=5.3V, VOUT=5.0V, VCS=0V VPO1=0.5V 5 17

mA

Constant current control

Output inversion voltage 1

(Constant current control)

VCS1 VCC=4.9V, RCS1=1kΩ, VOUT=4.6V, RCS2=40kΩ, IIN=5mA 111.2 114.4 117.6 mV

Output inversion voltage 2

VCS2 VCC=2.0V, RCS1=1kΩ, VOUT=0V, RCS2=40kΩ, IIN=5mA 22 34

mV

(Constant current control drop)

CS input source current

ICS

VCC=4.9V, VOUT=4.6V, VCS=0.1V

5 100 nA

Power supply voltage rejection ratio PSRR2 VCC=3.7V 4.4V, VCS=VCS1–10mV, RL1=5kΩ 60 70

dB

PO1 output sink current 2

IPO2 VCC=4.9V, VOUT=4.6V, VCS=0.2V, VPO1=0.5V 5 17

mA

Input-output difference control

Input-output difference control voltage

VLS VCC=5.1V, RLS=4.7kΩ, RLB=100Ω, RO=5kΩ 140 200 260 mV

CNT output sink current

ICNT VCC=5.1V, VOUT=4.8V, VCS=0V, VCNT=0.8V 5 30

mA

Load detection

Load detection voltage

VLSP1 VCC=4.9V, RL1=47kΩ, VOUT=4.9V L, VCS=0V 170 200 230 mV

Energy saving detection voltage

(load detection release voltage)

VLSP2 VCC=4.9V, RL1=47kΩ, VOUT=L 4.9V, VCS=0V 85 115 145 mV

3.5V undervoltage detection VOL1 VCC=H L, RL1=10kΩ, VOUT=VCC, VCS=0V 3.4 3.5 3.6 V

3.5V undervoltage detection hysteresis VOL1H VCC=L H, RL1=10kΩ, VOUT=VCC, VCS=0V

350

mV

4.6V undervoltage detection VOL2 VCC=H L, RL1=47kΩ, VOUT=VCC, VCS=0V 4.47 4.60 4.73 V

PO1 output sink current 3

IPO3 VCC=4.9V, VOUT=4.6V, VCS=0V, VPO2=1.0V 100 200 400 µA

PO1 output source current

IPO4 VCC=4.9V, VOUT=4.9V, VCS=0V, VPO2=4.6V 1.0 5.0

mA

Constant current mode selection

2pin(CNT pin) disable voltage VCNTO VCC=H L, VCNT=0.8V, VOUT=VCC–0.3V, VCS=0V, ICNT < 1mA

2.4

V

Constant current mode selection threshold

VCSS VCC=4.9V, RCS1=1kΩ, VOUT=4.6V, RCS2=20kΩ, IIN=5mA, VCS < VCS min.

0.6

V

(between VCC and OUT)

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