SCI7661M0A 查看數據表（PDF） - Seiko Epson Corp

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SCI7661M0A

DC-DC Converter

Seiko Epson Corp 

SCI7661COA/MOA

s PIN CONFIGURATION

CAP1+ 1

CAP1- 2

CAP2+ 3

CAP2- 4

TC1

5

TC2

6

VIN

7

14 VDD

13 OSC1

12 OSC2

11 Poff

10 RV

9 Vreg

8 Vout

The same pin configuration in

DIP and SOP

s PIN DESCRIPTION

Pin name

CAP1+, CAP1-

CAP2+, CAP2-

TC1, TC2

VIN

VOUT

Vreg

RV

Poff

OSC2, OSC1

VDD

No.

Function

1, 2 Terminal for connection of capacitor for doubler

3, 4 Terminal for connection of capacitor for tripler

5, 6 Temperature gradient selection terminal

7 Power supply terminal(negative, system supply

GND)

8 Output terminal at tripling

9 Regulated voltage output terminal

10 Regulated voltage control terminal

11 Vreg output ON/OFF control terminal

12, 13 Oscillation resistor connection terminal

14 Power supply terminal(positive system supply

VCC)

s ABSOLUTE MAXIMUM RATINGS

(VDD=0V)

Rating

Input supply voltage

Symbol

VI

Min.

-20/N

Max.

0.5

Unit

V

Remark

NN==23

:

:

Doubler

Tripler

Input terminal voltage

Output voltage

VI

VIN-0.5

0.5

VOUT-0.5

0.5

VO

-20.0

V

OSC1, Poff

V

TC1, TC2, RV

V

Allowable loss

Operating temperature

Storage temperature

Pd

300

mW

Topr

-30

85

°C

Plastic package

Tstg

-55

150

°C

Soldering temperature and time

Tsol

260°C, 10s(at lead)

-

Note: When this IC is soldered in the solder-reflow process, be sure to maintain the reflow furnace at the curve shown in "Fig.

1-5 Reflow Furnace Temperature Curve" of this DATA BOOK. And this IC can not be exposed to high temperature of

the solder dipping.

s ELECTRICAL CHARACTERISTICS

Characteristic

Input supply voltage

Output voltage

Regulator operating voltage

Booster current consumption

Regulator current

consumption

Stationary current

Oscillation frequency

Output impedance

Booster power conversion

efficiency

Regulated output voltage

fluctuation

Symbol

VI

VO

Vreg

VOUT

Iopr1

Iopr2

IQ

fosc

ROUT

Peff

∆Vreg

∆VOUT•Vreg

Min. Typ.

-6.0

-18.0

-18

-18.0

60

50

16

20

150

90

95

0.2

Max.

-1.2

-2.6

-3.2

100

12.0

2.0

24

200

(VDD = 0V, VIN=-5V, Ta=-30 to 85°C)

Unit

Condition

V

V

V

RL=∞, RRV=1MΩ,

VO=-18V

V

µA RL=∞, ROSC=1MΩ

µA

RL=∞, RRV=1MΩ

VOUT=-15V

µA TC2=TC1=VOUT, RL=∞

kHz ROSC=1MΩ

Ω IOUT=10mA

%

IOUT=5mA

%/V

-18V<VOUT<-8V,

Vreg=-8V, RL=∞, Ta=25°C

2

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