171

ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified

MINIMUM

MINIMUM

DYNAMIC

KNEE

MAXIMUM

TYPE

REGULATOR CURRENT

IMPEDANCE

IMPEDANCE

LIMITING

PEAK

NUMBER

l p (mA) @ VS = 25V

@VS = 25V

@VK = 6.0 V

VOLTAGE

OPERATING

ZS (K)

ZK(K)

@ lL = 0.8 I p (min)

VOLTAGE

NOM

MIN

MAX

(Note 2)

(Note 3)

VL (VOLTS)

VOLTS

CCR250

5.10

4.59

5.61

100

4.0

3.67

80

CCR251

5.60

5.04

6.16

90

4.0

4.03

80

CCR252

6.20

5.58

6.82

80

3.0

4.46

70

CCR253

6.80

6.12

7.48

70

2.0

4.90

70

CCR254

7.50

6.75

8.25

50

1.5

5.40

60

CCR255

8.20

7.38

9.02

30

1.5

5.90

60

CCR256

9.10

8.19

10.01

20

1.0

6.55

50

CCR257

10.00

9.00

11.10

10

1.0

7.20

50

NOTE 1

IP is read using a pulse measurement, 10 milliseconds maximum.

NOTE 2

ZS is derived by superimposing A 90Hz RMS signal equal to 10% of VS on VS

NOTE 3

ZK is derived by superimposing A 90Hz RMS signal equal to 10% of VK on VK

MAXIMUM RATINGS

Operating Temperature: -55°C to +175°C

Storage Temperature: -55°C to +175°C

Backside is Cathode

A = Anode

DESIGN DATA

METALLIZATION:

Top:

(Anode).......................Al

Back: (Cathode)...................Au

AL THICKNESS...........25,000

GOLD THICKNESS .......4,000

CHIP THICKNESS .................10 Mils

TOLERANCES: ALL Dimensions

+ 2 mils, except Anode Pad where

tolerance is + 0.1 mils.

CCR250 thru CCR257

• CURRENT REGULATOR CHIPS

• ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE

• CONSTANT CURRENT OVER WIDE VOLTAGE RANGE

• HIGH SOURCE IMPEDANCE

• COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES,

WITH THE EXCEPTION OF SOLDER REFLOW

6

LAKE

STREET,

LAWRENCE,

MASSACHUSETTS 01841

PHONE (978) 620-2600

FAX (978) 689-0803

WEBSITE: http://www.microsemi.com