MAX6873 データシートの表示（PDF） - Maxim Integrated
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MAX6873 Datasheet PDF : 48 Pages
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EEPROM-Programmable, Hex/Quad,
Power-Supply Sequencers/Supervisors
ELECTRICAL CHARACTERISTICS (continued)
(VIN1 = +6.5V to +13.2V, VIN2 = +10V, VIN3–VIN6 = +2.7V to +5.5V, GPI_ = GND, MARGIN = MR = DBP, TA = -40°C to +85°C, unless
otherwise noted. Typical values are at TA = +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX UNITS
IN1 Input Leakage Current
IN2 Input Impedance
ILIN1
RIN2
For VIN1 < the highest of VIN3–VIN6
100
140
µA
160
230
320
kΩ
IN3–IN6 Input Impedance
Power-Up Delay
IN_ to PO_ Delay
RIN3 to
RIN6
tPU
tDPO
VIN1 > 6.5V
VABP ≥ VUVLO
VIN_ falling or rising, 100mV overdrive
000
70
100
145
kΩ
3.5
ms
25
µs
25
µs
001
1.406 1.5625 1.719
PO_ Timeout Period
010
Register contents
011
tRP
(Table 23)
100
5.625 6.25 6.875
22.5
25
27.5
45
50
55
ms
101
180
200
220
110
360
400
440
111
1440 1600 1760
PO1–PO4 (MAX6872), PO1–PO2
(MAX6873) Output Low (Note 3)
PO5–PO8 (MAX6872), PO3–PO5
(MAX6873) Output Low (Note 3)
VOL
VABP ≥ +2.5V, ISINK = 500µA
VABP ≥ +4.0V, ISINK = 2mA
VOL
VABP ≥ +2.5V, ISINK = 1mA
VABP ≥ +4.0V, ISINK = 4mA
0.3
V
0.4
0.3
V
0.4
PO1–PO8 Output Initial Pulldown
Current
IPD
VABP ≤ VUVLO, VPO_ = 0.8V
10
40
µA
PO1–PO8 Output Open-Drain
Leakage Current
ILKG Output high impedance
-1
+1
µA
PO1–PO8 Output Pullup
Resistance, Weak Pullup
Selected
RPU VPO_ = 2V
6.6
10
15
kΩ
PO1–PO4 (MAX6872), PO1–PO2
(MAX6873) Turn-On Time,
tON CPO_ = 1500pF, VABP = +3.3V, VPO_ = +7.8V 0.5
1.5
Charge Pump Selected (Note 4)
PO1–PO4 (MAX6872), PO1–PO2
(MAX6873) Turn-Off Time,
tOFF CPO_ = 1500pF, VABP = +3.3V, VPO_ = +0.5V
30
Charge Pump Selected
PO1–PO4 (MAX6872), PO1–PO2
(MAX6873) Output High, Charge
Pump Selected (Notes 3, 4)
VOHCP
With respect to VABP, IPO_ < 100nA
With respect to VABP, IPO_ < 1µA
5.5
4.0
5.0
PO5–PO8 (MAX6872), PO3–PO5
(MAX6873) Output High,
Push-Pull Selected (Note 3)
VOH
Any one of VIN3–VIN6 ≥ +2.7V, ISOURCE =
10mA, output pulled up to the same IN_
Any one of VIN3–VIN6 ≥ +2.7V, ISOURCE =
1mA, output pulled up to the same IN_
Any one of VIN3–VIN6 ≥ +4.5V, ISOURCE =
2mA, output pulled up to the same IN_
1.5
0.8 x
VIN_
0.8 x
VIN_
3.0
ms
µs
V
6.0
V
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