Microsemi CCR255 Current regulator chip Datasheet

• CURRENT REGULATOR CHIPS
CCR250 thru CCR257
• 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
MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS @ 25°C, unless otherwise specified
TYPE
NUMBER
REGULATOR CURRENT
l p (mA) @ VS = 25V
MINIMUM
DYNAMIC
IMPEDANCE
@VS = 25V
ZS (K )
MINIMUM
KNEE
IMPEDANCE
@VK = 6.0 V
ZK(K )
MAXIMUM
LIMITING
VOLTAGE
@ lL = 0.8 I p (min)
PEAK
OPERATING
VOLTAGE
NOM
MIN
MAX
(Note 2)
(Note 3)
VL (VOLTS)
VOLTS
CCR250
CCR251
CCR252
CCR253
5.10
5.60
6.20
6.80
4.59
5.04
5.58
6.12
5.61
6.16
6.82
7.48
100
90
80
70
4.0
4.0
3.0
2.0
3.67
4.03
4.46
4.90
80
80
70
70
CCR254
CCR255
CCR256
CCR257
7.50
8.20
9.10
10.00
6.75
7.38
8.19
9.00
8.25
9.02
10.01
11.10
50
30
20
10
1.5
1.5
1.0
1.0
5.40
5.90
6.55
7.20
60
60
50
50
Backside is Cathode
A = Anode
DESIGN DATA
METALLIZATION:
Top: (Anode).......................Al
Back: (Cathode)...................Au
AL THICKNESS...........25,000 Å Min
GOLD THICKNESS .......4,000 Å Min
NOTE 1
CHIP THICKNESS .................10 Mils
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
6 LAKE STREET, LAWRENCE,
PHONE (978) 620-2600
WEBSITE: http://www.microsemi.com
TOLERANCES: ALL Dimensions
+ 2 mils, except Anode Pad where
tolerance is + 0.1 mils.
M A S S A C H U S E T T S 01841
FAX (978) 689-0803
171
28 MILS
13 MILS
Operating Temperature: -55°C to +175°C
Storage Temperature: -55°C to +175°C
THIS PAGE IS INTENTIONALLY
LEFT BLANK
172
Similar pages