TDK DC-DC Converter

A321_CE_3101

(2/2)

All specifications are subject to change without notice.

Non-insulation, 8-pin SMD type, 1.2W output

CE-3101

CIRCUIT DIAGRAM

Vout(GND) 8

Vset 6

Vout 5

NC 7

Control

Iout

DC power

supply

µF/6.3V

µF/50V

Load

resistance

+

+

1

2

3

4 NC

Vin

RA

Oscillating method: Stable frequency method

Oscillating frequency: Approx. 400kHz

MTTF: 270Fit(3700000h)

SHAPES AND DIMENSIONS

RECOMMENDED PC BOARD PATTERN

15.4

1.0

1.0

(19.4)

Terminal connection

No. 1

Control

ON/OFF control

No. 2

+Vin

Input voltage(4.4 to 5.5V)

No. 3

–Vin(GND)

Input(GND)

No. 4

NC

No. 5

+Vout

Output(40V)

No. 6

Vset

Output voltage adjustable

No. 7

NC

No. 8

–Vout(GND)

Output(GND)

• Terminal No.3 and No.8 are connected internally.

• Control voltage.

High level(Vin–0.6 to Vin, or open): Output OFF.

Low level(0 to Vin–2.5V): Output ON.

• Control current: 150µA max.

4

3

2

1

5

6

7

8

PP

P

8

×R0.4

Marking

18

±0.3

6

±0.25

P=2

±0.25

2.9

±0.25

2.9

±0.25

Dimensions in mm

A321_CE_3101

001127

COMMON SPECIFICATIONS

AUXILIARY FUNCTIONS

Overcurrent protection

Yes(Latch)

Remote ON-OFF

Yes

CONSTRUCTIONS

External dimensions

mm

18

×4.5×11.8(W×H×D)

Weight

g

1.5

TEMPERATURE AND HUMIDITY

Operating temperature range

°C

–10 to +60

Storage temperature range

°C

–30 to +85

Operating humidity range

(%)RH

20 to 95[Maximum wet-bulb temperature: 38°C, without dewing]

Storage humidity range

(%)RH

20 to 95[Maximum wet-bulb temperature: 38°C, without dewing]