MAX17409GTI 데이터 시트보기 (PDF) - Maxim Integrated
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MAX17409GTI Datasheet PDF : 32 Pages
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1-Phase Quick-PWM GPU Controller
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, VIN = 12V, VDD = VCC = 5V, SHDN = ILIM = VCC, SKIP = GNDS = PGND = GND, VFB = VCSP = VCSN = 1.05V;
G5–G0 set for 1.05V (G0–G5 = 100110); TA = 0°C to +85°C, unless otherwise specified. Typical values are at TA = +25°C.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
CURRENT MONITOR
Current-Monitor Transconductance Gm(IMON) IIMON/(VCSP - VCSN), VCSN = 0.5V to 1.0V 4.9
5.0
51
mS
Current-Monitor Offset Referred
to V(CSP,CSN)
IIMON = 0
-1.0
+1.0
mV
IMON Clamp Voltage
LOGIC AND I/O
Logic-Input High Voltage
Logic-Input Low Voltage
VIMON IIMON = -1.0mA
VIH
SHDN, SKIP
VIL
SHDN, SKIP
1.05 1.10 1.15
V
2.3
V
1.0
V
Low-Voltage Logic-Input
High Voltage
VIHLV G0–G5
0.67
V
Low-Voltage Logic-Input
Low Voltage
Logic-Input Current
VILLV G0–G5
TA = +25°C, SHDN, SKIP, G0–G5 = 0 or 5V -1
0.33
V
+1
µA
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VIN = 12V, VDD = VCC = 5V, SHDN = ILIM = VCC, SKIP = GNDS = PGND = GND, VFB = VCSP = VCSN = 1.05V;
G5–G0 set for 1.05V (G0–G5 = 100110); TA = -40°C to +105°C, unless otherwise specified.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
PWM CONTROLLER
Input Voltage Range
VCC, VDD
4.5
5.5
V
DC Output-Voltage Accuracy
Measured at FB with respect to GNDS,
includes load regulation error (Note 4)
-10
+10
mV
GNDS Input Range
For positive offset and remote-sense errors -200
+200 mV
GNDS/OFSP Gain
REF Voltage
Dynamic VID Slew-Rate Accuracy
AGNDS
VREF
VOUT/VGNDS, -200mV VGNDS +200mV
VCC = 4.5V to 5.5V, IREF = 100µA
IREF = 0 to 1mA
0.95
1.97
1.95
10
1.05
V/V
2.03
V
2.03
15 mV/µs
Soft-Start/Soft-Shutdown
Slew-Rate Accuracy
1.248
1.872 mV/µs
On-Time (Note 5)
Minimum Off-Time
BIAS CURRENTS
RTON = 96.75k
142
tON
VIN = 12V, VFB = 1.2V RTON = 200k
300
RTON = 303.25k 425
tOFF(MIN) Measured at DH (Note 5)
192
366
ns
575
400
ns
Quiescent Supply Current (VCC)
ICC
Measured at VCC, SKIP = 5V, FB forced
above the regulation point
3
mA
_______________________________________________________________________________________ 5
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