TL7702B_06 Datasheet, PDF (3/18 Pages) Texas Instruments – SUPPLY-VOLTAGE SUPERVISORS

The TL7705BM is obsolete
and no longer is supplied.
TL7702B, TL7705B, TL7733B
SUPPLY-VOLTAGE SUPERVISORS
SLVS037M – SEPTEMBER 1989 – REVISED MAY 2003
functional block diagram
The functional block diagram is shown for illustrative purposes only; the actual circuit includes a trimming
network to adjust the reference voltage and sense-comparator trip point.
8
VCC
3
CT
7
SENSE
Reference
Voltage 1
Vx
R1
(see Note A)
≈70 µA
Reference
Voltage 2
6
RESET
5
RESET
2
RESIN
R2
(see Note A)
4
GND
Pin numbers shown are for the D, JG, and P packages.
NOTE A: TL7702B: R1 = 0 Ω, R2 = open, Vx = VREF1
TL7705B: R1 = 23 kΩ, R2 = 10 kΩ, nominal, Vx ≈1.43 V
TL7733B: R1 = 11.3 kΩ, R2 = 10 kΩ, nominal, Vx ≈1.43 V
typical timing diagram
VCC and
SENSE
VIT+
Vres
0
VIT_–
VIT+
RESET
td
td
Output
ÎÎÎÎÎÎÎÎ Undefined
0
1
REF
VIT_–
Vres
ÎÎÎÎÎ _Output
ÎÎÎÎÎÎÎÎÎÎ ^Undefined
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