
ELECTRICAL CHARACTERISTICS
@ 25°C, unless otherwise specified
MINIMUM
DYNAMIC
IMPEDANCE
@VS= 25V
ZS(K
)
(Note 2)
100
90
80
70
50
30
20
10
MINIMUM
KNEE
IMPEDANCE
@VK= 6.0 V
ZK(K
)
(Note 3)
4.0
4.0
3.0
2.0
1.5
1.5
1.0
1.0
MAXIMUM
LIMITING
VOLTAGE
@ lL= 0.8 I p (min)
VL(VOLTS)
3.67
4.03
4.46
4.90
5.40
5.90
6.55
7.20
TYPE
NUMBER l p (mA) @ VS= 25V
REGULATOR CURRENT
PEAK
OPERATING
VOLTAGE
VOLTS
80
80
70
70
60
60
50
50
NOM
5.10
5.60
6.20
6.80
7.50
8.20
9.10
10.00
MIN
4.59
5.04
5.58
6.12
6.75
7.38
8.19
9.00
MAX
5.61
6.16
6.82
7.48
8.25
9.02
10.01
11.10
CCR250
CCR251
CCR252
CCR253
CCR254
CCR255
CCR256
CCR257
NOTE 1
IPis read using a pulse measurement, 10 milliseconds maximum.
NOTE 2
ZS is derived by superimposing A 90Hz RMS signal equal to 10% of VSon VS
NOTE 3
ZKis derived by superimposing A 90Hz RMS signal equal to 10% of VKon 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
Min
GOLD THICKNESS
.......4,000
Min
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
1
2
22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071
WEBSITE: http://www.cdi-diodes.com
FAX (781) 665-7379
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