M51957A,B/M51958A,B
Absolute Maximum Ratings
(Ta = 25°C, unless otherwise noted)
Item
Symbol
VCC
Ratings
18
Unit
V
Conditions
Supply voltage
Output sink current
Output voltage
Isink
VO
6
mA
V
VCC
18
Type A (output with constant current load)
Type B (open collector output)
5-pin SIP
Power dissipation
Thermal derating
Pd
450
400
300
4.5
mW
8-pin SOP (PRSP0008DE-C): recommend
8-pin SOP (PRSP0008DA-A): not recommend
Kθ
mW/°C Refer to the
thermal derating
curve.
5-pin SIP
4.4
8-pin SOP (PRSP0008DE-C)
: recommend
3
8-pin SOP (PRSP0008DA-A)
: not recommend
Operating temperature Topr
–30 to +85
–40 to +125
–0.3 to VCC
–0.3 to +7
°C
°C
V
Storage temperature
Input voltage range
Tstg
VIN
VCC ≤ 7 V
VCC > 7 V
Electrical Characteristics
(Ta = 25°C, unless otherwise noted)
•
•
“L” reset type M51957A, M51957B
“H” reset type M51958A, M51958B
Item
Symbol
VS
Min
1.20
9
Typ
1.25
15
Max
Unit
V
Test Conditions
Detecting voltage
Hysteresis voltage
1.30
23
∆VS
mV
%/°C
VCC = 5V
Detecting voltage
VS/∆T
—
0.01
—
temperature coefficient
Supply voltage range
Input current
VCC
IIN
2
—
—
—
1.6
—
—
—
—
—
—
100
390
360
3.4
17
500
590
540
7
V
nA
µA
VIN = 1.25V
Circuit current
ICC
Type A, VCC = 5V
Type B, VCC = 5V
Cd = 0.01µF *
Delay time
tpd
ms
V
Output saturation
voltage
Vsat
0.2
0.4
0.4
0.8
0.7
1
L reset type, VCC = 5V, VIN < 1.2V, Isink = 4mA
H reset type, VCC = 5V, VIN > 1.35V, Isink = 4mA
0.2
Threshold operating
voltage
VOPL
0.67
0.55
—
V
L reset type minimum supply
voltage for IC operation
RL = 2.2kΩ, Vsat ≤ 0.4V
RL = 100kΩ, Vsat ≤ 0.4V
Output leakage
current
IOH
µA
Type B
Output load current
Output high voltage
IOC
–40
–25
–17
—
µA
Type A, VCC = 5V, VO = 1/2 × VCC
VOH
VCC–0.2 VCC–0.06
V
Type A
Note: Please set the desired delay time by attaching capacitor of the range between 4700 pF and 10 µF.
REJ03D0778-0200 Rev.2.00 Aug 20, 2007
Page 3 of 13
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