ELECTRICAL CHARACTERISTICS @ 25C, 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: -55C to +175C
Storage Temperature: -55C to +175C
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
13
MILS
28
MILS
22 COREY STREET, MELROSE, MASSACHUSETTS 02176
PHONE (781) 665-1071
FAX (781) 665-7379
WEBSITE: http://www.cdi-diodes.com
E-mail: mail@cdi-diodes.com
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