HV9105P Ver la hoja de datos (PDF) - Supertex Inc
Número de pieza
componentes Descripción
Fabricante
HV9105P Datasheet PDF : 7 Pages
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Switching Waveforms
1.5V
Source
0
VDD
Drain
0
50%
tR ≤ 10ns
td
90%
VDD
Shutdown
0
VDD
Reset
0
50%
t SW
t LW
50%
HV9105/HV9108
VDD
SHUTDOWN
0
VDD
Drain
0
50%
tSD
90%
tF ≤ 10ns
50%
50%
50%
t RW
tR, tF ≤ 10ns
Functional Block Diagram
VREF
BIAS
VDD
+VIN
OSC OSC
FB
COMP Discharge
In Out
14
13 9
(20) Error
(18) (12)
Amplifier
8
(11)
7
(10)
–
10 (14)
+
4V
REF
GEN
2V –
+
+
OSC
Current-mode
Comparator
R
Q
S
–
C/L
Comparator
1 (2) Current
Sources
To
Internal 1.2V
Circuits
6 (9)
2 (3)
Undervoltage
– Comparator
8.1V
+
8.6V
Pre-regulator/Startup
T
9108
Q
9105
V DD
Drain
(5) 3
S
Q
R
V DD
(8) 5
-V IN
Source
(7) 4
(16) 11
Shutdown
Reset
(17) 12
Pin numbers in parentheses are for PLCC package.
4
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