PT7M7433 Datasheet, PDF (3/7 Pages) Pericom Semiconductor Corporation – Supervisory Circuit

PT7M7433/34/35
P Supervisory Circuit
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DC Electrical Characteristics
(V_CC =1.8V to 5.5V, T_A= -40~85ºC, unless otherwise noted. Typical values are at T_A = +25ºC)
Description
Symbol
Test Conditions
Min
Typ
Operating Voltage Range
V_CC Supply Current
Output High Voltage
(Push-Pull only)
V_CC T_A= -40~85ºC
I_CC
V_CC = 3.7V, no load T_A= -40~85ºC
V_CC ≥ 1.6V, I_source = 200μA
V_OH
V_CC ≥ 2.7V, I_source = 500μA
V_CC ≥ 4.5V, I_source = 800μA
1.8
-
-
1.5
0.8×Vcc -
0.8×Vcc -
0.8×Vcc -
V_CC ≥ 1.6V, I_sink = 100μA
-
-
Output Low Voltage
V_OL
V_CC ≥ 2.7V, I_sink = 1.2mA
-
-
Open-Drain Output
Leakage Current
Input Leakage Current
I_LKG
I_LKG
V_CC ≥ 4.5V, I_sink = 3.2mA
-
V_HTHIN or V_LTHIN > 400mV
-
-
-
-
-
-
User-adjustable Thresholds (PT7M7433/34/35)
HTHIN rising, LBO is
T_A= 25ºC
-1.5
-
HTHIN Threshold(Note)
V_HTHIN
deasserted when HTHIN
rises above 615mV.
T_A= -30~70ºC
-2.5
-
LTHIN falling, LBO is
T_A= 25ºC
-1.5
-
LTHIN Threshold(Note)
V_LTHIN
asserted when LTHIN falls
below 615mV.
T_A= -30~70ºC
-2.5
-
Note: Typical value is 615mV. Minimum and Maximum value is percentage of typical value.
Max Unit
5.5
V
2.5
μA
-
-
V
-
0.3
0.3
V
0.4
1
μA
20
nA
+1.5
%
-2.5
%
+1.5
%
-2.5
%
AC Electrical Characteristics
Fig 1. PT7M7433/34/35 timing diagram
V_CC
V_HTH
V_LTH
t_LBOP
LBO
(PT7M7433/34)
t_LBOP
LBO
(PT7M7435)
t_LBOD
t_LBOD
(V_CC =1.8V to 5.5V, T_A= -40~85ºC, unless otherwise noted. Typical values are at T_A = +25ºC)
Symbol
Description
Test Conditions
Min
Typ
t_LBOP
Timeout period
-
t_LBOD
Delay
-
90
200
-
70
Max
Unit
350
ms
-
s
12-07-0002
PT0213-4
07/05/12
3