MAX1715 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX1715 Datasheet PDF : 25 Pages
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Ultra-High Efficiency, Dual Step-Down
Controller for Notebook Computers
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, 4A components from Table 1, VCC = VDD = +5V, SKIP = AGND, V+ = 15V, TA = 0°C to +85°C, unless otherwise
noted.) (Note 1)
PARAMETER
Logic Input Current
CONDITIONS
SKIP, to deactivate OVP circuitry
MIN TYP MAX UNITS
-5
-1
mA
TON Threshold
VCC level
Float level
REF level
VCC - 0.4
3.15
1.65
3.85
V
2.35
AGND level
0.5
Logic Input Current
Logic Input Current
TON (0 or VCC)
ON_, SKIP (0 or VCC)
-3
3
µA
-1
1
µA
PGOOD Trip Threshold
Measured at FB_, with respect to error comparator
threshold, no load
-8
-5.5
-4
%
PGOOD Propagation Delay
Falling edge, FB_ forced 2% below PGOOD trip threshold
1.5
µs
PGOOD Output Low Voltage
PGOOD Leakage Current
ISINK = 1mA
High state, forced to 5.5V
0.1
0.4
V
1
µA
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, 4A components from Table 1, VCC = VDD = +5V, SKIP = AGND, V+ = 15V, TA = -40°C to +85°C, unless otherwise
noted.) (Note 1)
PARAMETER
Input Voltage Range
Output 1 Error Comparator
Threshold (DC Output Voltage
Accuracy) (Note 2)
Output 2 Error Comparator
Threshold (DC Output Voltage
Accuracy) (Note 2)
Battery voltage, V+
VDD, VCC
V+ = 2V to 28V,
SKIP = VCC
V+ = 4.5V to 28V,
SKIP = VCC
CONDITIONS
FB1 = OUT1
FB1 = AGND
FB1 = VCC
FB2 = OUT2
FB2 = GND
MIN
2
4.5
0.98
1.764
3.234
0.98
2.45
TYP
1.00
1.8
3.3
1.00
2.5
MAX
28
5.5
1.02
1.836
3.372
1.02
2.55
UNITS
V
V
V
On-Time (PWM1)
On-Time (PWM2)
Minimum Off-Time
V+ = 24V, OUT1 = 2V
V+ = 24V, OUT2 = 2V
(Note 3)
TON = GND
TON = REF
TON = open
TON = VDD
TON = GND
TON = REF
TON = open
TON = VDD
112
136
160
142
173
205
ns
210
247
280
300
353
407
154
182
215
198
234
270
ns
292
336
380
420
484
550
400
500
ns
4 _______________________________________________________________________________________
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