MB3829 Datasheet, PDF (15/24 Pages) Fujitsu Component Limited. – System Power Supply IC for Mobile Telephone

MB3829
4. Voltage monitoring section
Parameter
Symbol
Condition
Min.
(OUT1 = +3.0V, T_A = +25°C)
Value
Unit
Typ.
Max.
Detection voltage
V_SL
OUT1 fall
2.70
2.75
2.81
V
V_SH
OUT1 rise
2.76
2.81
2.87
V
Detection voltage hysteresis width
CK input threshold voltage
CK input hysteresis width
Inhibit input voltage
V_SHYS
V_CIH
V_CIL
V_CHYS
V_IIH
V_SH - V_SL
-
-
-
-
35
65
95
mV
0.6
1.2
1.8
V
0.4
0.9
1.4
V
0.1
0.3
0.6
V
1.8
—
—
V
V_IIL
-
—
—
0.8
V
Input current
CK
IHB
Reset output voltage
Reset output minimum voltage
Power - on reset hold time
Watchdog timer monitoring time
Watchdog timer reset time
Clock input pulse width
Clock input pulse cycle
I_INH
I_INL
V_OH
V_OL
V_CCL
t_PR
t_WD
t_WR
t_CKW
t_CKT
V_IN = OUT1
—
V_IN = GND
- 1.0
I_RESET = - 3mA
2.5
I_RESET = +3mA
—
I_RESET = +50mA
—
C_TP = 0.1mF
25
C_TW=0.01mF, C_TP=0.1mF
8
C_TP = 0.1mF
1.5
-
* 500
-
* 20
0
0
2.8
0.12
0.8
70
16
5
—
—
1.0
mA
—
mA
—
V
0.4
V
1.2
V
115
ms
24
ms
8.5
ms
—
ns
—
ms
RESET rise time
RESET fall time
Delay time from OUT1
t_r *1
t_r *1
T_PD
C_L = 50pF
C_L = 50pF
-
* ^2.0
*—
*—
OUT1 input pulse width
T_PI
1.2V to 2.5V ^{* 16}
*1: The voltage range prevailing during RESET output rise/fall time measurement is from 10% to 90%
*: Guaranteed by design
—
500
ns
—
500
ns
2
20
ms
—
—
ms
15