MAX17410 데이터 시트보기 (PDF) - Maxim Integrated
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MAX17410 Datasheet PDF : 45 Pages
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Dual-Phase, Quick-PWM Controller
for IMVP6+ CPU Core Power Supplies
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, VIN = 10V, VCC = VDD = VSHDN = VPGDIN = VPSI = VILIM = 5V, VV3P3 = 3.3V, VDPRSLPVR = VDPRSTP = VGNDS =
VPGND_ = 0, CSPAVG = CSP_ = CSN_ = OUTS = 1.0000V, RFB = 3.57kΩ from FB to VPS, [D6–D0] = [0101000]; TA = 0°C to +85°C,
unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
RTIME = 71.5k (12.5mV/μs nominal)
-10
+10
RTIME = 35.7k (25mV/μs nominal) to
-15
+15
178k (5mV/μs nominal)
TIME Slew-Rate Accuracy
Soft-start and soft-shutdown: RTIME =
35.7k (3.125mV/μs nominal) to 178k
-16
(0.625mV/μs nominal)
+30
%
Slow: VDPRSTP = VDPRSLPVR = 5V,
1/4 normal slew rate, RTIME = 35.7k
(6.25mV/μs nominal) to 178k (1.25mV/μs
-12
+25
nominal)
On-Time Accuracy
VIN = 10V, VFB = 1.0V, VCCI = (1.0V +
tON VDIODE), measured at DH_, 300kHz per
phase nominal (Note 3)
300 333 366
ns
Minimum Off-Time
BIAS CURRENTS
tOFF(MIN) Measured at DH_ (Note 3)
300 375
ns
Quiescent Supply Current (VCC)
ICC
Measured at VCC, VDPRSLPVR = 5V, FB
forced above the regulation point
3
6
mA
Quiescent Supply Current (VDD)
IDD
Measured at VDD, VDPRSLPVR = 0, FB forced
above the regulation point, TA = +25°C
0.02
1
μA
Quiescent Supply Current (V3P3)
I3P3
Measured at V3P3, FB forced within the
CLKEN power-good window, TA = +25°C
0.01
1
μA
Quiescent Supply Current (IN)
Shutdown Supply Current (VCC)
Shutdown Supply Current (VDD)
Shutdown Supply Current (V3P3)
Shutdown Supply Current (IN)
IIN
ICC,SDN
IDD,SDN
I3P3,SDN
IIN,SDN
Measured at IN, VIN = 10V
Measured at VCC, SHDN = GND, TA = +25°C
Measured at VDD, SHDN = GND, TA = +25°C
Measured at V3P3, SHDN = GND, TA = +25°C
Measured at IN, VIN = 26V, SHDN = GND,
VCC = 0V or 5V, TA = +25°C
15
25
μA
0.01
1
μA
0.01
1
μA
0.01
1
μA
0.01 0.1
μA
FAULT PROTECTION
Output Overvoltage-
Protection Threshold
Skip mode after output reaches the
regulation voltage or PWM mode, measured
at FB with respect to the voltage target set
250
300
350
mV
VOVP
by the VID code (see Table 4)
Soft-start, soft-shutdown, skip mode, and
output has not reached the regulation
voltage; measured at FB
1.75 1.80 1.85
V
Minimum OVP threshold; measured at FB
0.8
Output Overvoltage-
Propagation Delay
tOVP FB forced 25mV above trip threshold
10
μs
_______________________________________________________________________________________ 3
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