Rainbow Electronics MAX17036 - Manual (Page 7)

MAX17030/MAX17036
1/2/3-Phase Quick-PWM
IMVP-6.5 VID Controllers
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ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V IN = 10V, V CC = V DD = V SHDN = V PGD_IN = V PSI = V ILIM = 5V, V DPRSLPVR = V GNDS = 0, V CSP_ = V CSN_ =
1.0000V, FB = FBAC, R FBAC = 3.57k Ω from FBAC to CSN_, [D6–D0] = [0101000]; T
A = -40 o C to +105°C, unless otherwise noted.)
(Note 5)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
R TON = 96.75k (600kHz
per phase), 167ns nominal
-15 +15
R TON = 200k (300kHz
per phase), 333ns nominal
-10 +10 On-Time Accuracy t ON
V IN = 10V,
V FB = 1.0V,
measured at
DH1, DH2,
and PWM3
(Note 4)
R TON = 303.25k (200kHz
per phase), 500ns nominal
-15 +15
%
Minimum Off-Time t OFF(MIN) Measured at DH1, DH2, and PWM3 (Note 4) 400 ns
BIAS CURRENTS
Quiescent Supply Current (V CC ) I CC
Measured at V CC , DPRSLPVR = 5V, FB
forced above the regulation point
7 mA
FAULT PROTECTION
Skip mode after output reaches the
regulation voltage or PWM mode;
measured at FB with respect to the voltage
target set by the VID code (see Table 4)
250 350 mV
Output Overvoltage-Protection
Threshold
V
OVP
Soft-start, soft-shutdown, skip mode, and
output have not reached the regulation
voltage; measured at FB
1.45 1.55 V
Output Undervoltage-Protection
Threshold
V UVP
Measured at FB with respect to the voltage
target set by the VID code (see Table 4)
-450 -350 mV
CLKEN Startup Delay and Boot
Time Period
t BOOT
Measured from the time when FB reaches
the boot target voltage (Note 3)
20 100 µs
PWRGD Startup Delay
Measured at startup from the time when
CLKEN goes low
3 10 ms
Lower threshold,
falling edge
(undervoltage)
-350 -250
CLKEN and PWRGD Threshold
Measured at FB
with respect to the
voltage target set
by the VID code
(see Table 4),
20mV hysteresis
(typ)
Upper threshold,
rising edge
(overvoltage)
+150 +250
mV
CLKEN, PWRGD Output
Low Voltage
Low state, I SINK = 3mA 0.4 V
V CC Undervoltage-Lockout
Threshold
V UVLO(VCC)
Rising edge, 65mV typical hysteresis,
controller disabled below this level
4.05 4.5 V
THERMAL PROTECTION
VRHOT Trip Threshold
Measured at THRM with respect to V CC ,
falling edge, typical hysteresis = 75mV
29 31 %
VRHOT Output On-Resistance R ON( VRHOT) Low state 8