Z28 Datasheet, PDF (6/7 Pages) International Rectifier – LOW VOLTAGE HIGH EFFICIENCY RADIATION HARDENED DC/DC CONVERTER

Z-SERIES
Functional Block Diagram
1
Input EM I
F ilte r
2
Single Output
Power Switch
Synchronous
R e c tifie r
5
7
O utp u t F ilte r
6
8
4
U n d e r/O v e r
3
V o lta g e
In h ib it
Sync
D riv e
Pulse-W idth
M odulator CS
/C o n tro lle r
Shutdow n
FB
D riv e
Prim ary Bias
R e g u lato r
/S w itch o v e r
Current
Sense
R e c tifie r G a te
D riv e C ir cu it
Secondary
Bias
R e g u lato r
9
12
S a m p le
H o ld
E rro r A m p lifie r
V o lta g e
Rem ote Sense
10
C o n d itio n e r
11
Pin Designation
Pin No.
1
2
3
4
5
6
Designation
Input +
Input -
Enable
Sync. Input
Output +
Output Return
Pin No.
7
8
9
10
11
12
Designation
Output +
Output Return
Sense +
Output Adjust
Sense -
Chassis
Part Numbering
Z 28 01R5 S /EM
Model
Input Voltage
28 = 28V Nominal
Output Voltage
01R5 = 1.5V
02R5 = 2.5V
03R3 = 3.3V
Screening
/EM = Engineering Model
Blank = Flight Model
Outputs
S = Single
6
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