IP117R Datasheet, PDF (4/5 Pages) Seme LAB – POSITIVE ADJUSTABLE VOLTAGE REGULATOR

POSITIVE ADJUSTABLE
VOLTAGE REGULATOR
APPLICATIONS INFORMATION
IP^IP3¹17¹A⁷
V_IN
V_IN
V_{O U T}
ADJ
RETURN
25 Ω
121 Ω
383 Ω
R_P (Max Drop 300mV)
OUTPUT
V_IN
V_IN
7
2
6
1 ^LM301A ₃ 1k Ω
R_L
8
4 _5µF
TTL
25 Ω
RETURN
IPIP311177A
V_IN
V_{O U T}
ADJ
1µF
5V
V_{O U T}
121Ω
1kΩ
2N3904
1kΩ
383Ω
Remote Sensing
5V Regulator with Shut Down
+24V
READ
WRITE
BYTE ERASE
CHIP ERASE
IIPP31117A7
V_IN
V_{O U T}
ADJ
1µF
249 Ω
1%
To V_PP
750 Ω
1%
39k Ω
3.24k Ω
1%
18k Ω
To OE
100k Ω
All gates 7406.
OE Vpp
READ
0V 5V
WRITE
BYTE
5V 21V
CHIP ERASE 12V 21V
IPIP31117A7
V_IN
V_IN
V_{O U T}
5V
ADJ
1µF
R1
121 Ω
R2
383 Ω
C1
10 µF
C1 improves ripple rejection
Xc should be small compared to R2
Improving Ripple Rejection
IPIP31117A7
V_IN
1N4001
V_IN
V_{O U T}
ADJ
243 Ω
50 Ω
10k Ω
THERMALLY
COUPLE
2N3906
12V
20k Ω
50k Ω
2816 EEPROM Supply Programmer for
Read / Write Control
Temperature Compensated
Lead-Acid Battery Charger
Semelab Limited
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Document Number 8376
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Issue 1
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