MAX1965 Maxim Integrated Products, MAX1965 Datasheet - Page 27
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MAX1965
Manufacturer Part Number
MAX1965
Description
(MAX1964 / MAX1965) Tracking/Sequencing Triple/Quintuple Power-Supply Controllers
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1965.pdf
(30 pages)
www.DataSheet4U.com
Figure 9. High-Voltage Linear Regulation
where the R
R
resistance (ESR). Inductors with high DC resistance will
provide poor load regulation but allow the use of small-
er filter capacitors:
Therefore, power chokes are ideal for these applica-
tions due to their high inductance values, high satura-
tion current ratings, and low resistance.
TRANSISTOR COUNT: 1617
PROCESS: BiCMOS
ESR
V
is the output filter capacitor’s effective series
OUT(FILTER)
DCR
is the inductor’s DC resistance and
______________________________________________________________________________________
= V
OUT(NOMINAL)
Tracking/Sequencing Triple/Quintuple
Chip Information
a) POSITIVE OUTPUT VOLTAGE WITH CASCODED BASE DRIVE
b) NEGATIVE OUTPUT VOLTAGE (MAX1965 ONLY)
WITH CASCODED BASE DRIVE
MAX1964
MAX1965
MAX1965
- R
DCR
FB_
FB5
B_
B5
I
OUT
Q
Q
CASCODE
CASCODE
V
BIAS
R1
R2
R4
R3
Power-Supply Controllers
C
R
C
DROP
DROP
R
DROP
DROP
V
REF
R
BE
R
C
BE
POS
Q
PASS
Q
PASS
V
C
C
POS
BYP
BYP
C
NEG
V
V
V
NEG
SUP
SUP
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