MAX6876 データシートの表示（PDF） - Maxim Integrated
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MAX6876 Datasheet PDF : 39 Pages
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EEPROM-Programmable, Quad,
Power-Supply Tracker/Sequencer Circuit
ELECTRICAL CHARACTERISTICS (continued)
(VCC, IN1–IN4 = +2.7V to +5.5V; ENABLE = MARGIN = MR = ABP = TRKEN; TA = -40°C to +85°C, unless otherwise specified.
Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Tracking-Differential-Voltage Hold
Ramp (Note 3)
VTRK
VOUT_ > VTH_PL
VOUT_ < VTH_PG
95
125 155
mV
Tracking-Differential-Voltage
Hysteresis
25
mV
Tracking-Differential FAULT
Voltage (Note 3)
VTRK_F
VOUT_ > VTH_PL
VOUT_ < VTH_PG
200
250
300
mV
00
FAULT Timeout Period (Note 4)
Register
tFAULTUP,
tFAULTDOWN
contents
(Table 16)
01
10
11
20
25
30
40
50
60
ms
80
100 120
160
200
240
FAULT to GATE Delay
tFG
2
µs
IN1–IN4 Input Impedance
RIN1-4 For IN_ voltages < the highest IN_ supply
55
90
145
kΩ
OUT1–OUT4 Input Impedance
Power-On Delay
ROUT1-4 OUT_ pulldown disabled
tPO
VABP ≥ VUVLO
70
100 130
kΩ
3
ms
IN_ to GATE_ Delay
tD-GATE IN_ falling/rising, 100mV overdrive
6
µs
OUT_ to PG_ Delay
tPOK
OUT_ rising, 100mV overdrive
OUT_ falling, 100mV overdrive
3
ms
25
µs
000
25
µs
001
10
12.5
15
010
GATE, RESET, Autoretry Timeout
Period (Notes 5, 6)
tRESET,
tAUTO,
tGATE
Register
contents
(Table 16)
011
100
101
20
25
30
40
50
60
80
100 120
ms
160
200
240
110
320
400
480
111
1280 1600 1920
OC Timeout Period
00
Register
01
tOC
contents
(Table 16)
10
11
10
12.5
15
40
50
60
ms
80
100 120
160
200
240
00
Track/Sequence Slew Rate Rising
or Falling
TRKSLEW
Register
contents
(Table 16)
01
10
IN_ to OUT_ Overcurrent
Threshold
11
Register
00
VTH_OC
contents
(Table 16),
01
10
OUT_ falling 11
TA = 0°C to +85°C 560
800 1040
TA = -40°C to 0°C 480
800 1120
TA = 0°C to +85°C 280
400
520
TA = -40°C to 0°C 240
400
560
V/s
TA = 0°C to +85°C 140
200
260
TA = -40°C to 0°C 120
200
280
TA = 0°C to +85°C 70
100
130
TA = -40°C to 0°C 60
100
140
96.25 97.5 98.75
93.75 95 96.25
%
91.25 92.5 93.75
88.75 90 91.25
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