Rainbow Electronics MAX17036 - Manual (Page 4)

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 = 0°C to +85°C, unless otherwise noted.
Typical values are at T A = +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
PWRGD Startup Delay
Measured at startup from the time when
CLKEN goes low
3 6.5 10 ms
Lower threshold,
falling edge
(undervoltage)
-350 -300 -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 +200 +250
mV
CLKEN and PWRGD Delay
FB forced 25mV outside the PWRGD trip
thresholds
10 µs
CLKEN and PWRGD Transition
Blanking Time (VID Transitions)
t BLANK
Measured from the time when FB reaches
the target voltage (Note 3)
20 µs
CLKEN, PWRGD Output
Low Voltage
Low state, I SINK = 3mA 0.4 V
CLKEN, PWRGD Leakage
Current
High-Z state, pin forced to 5V, T A = +25
°C 1 µA
CSN1 Pulldown Resistance in
UVLO and Shutdown SHDN = GND, measured after soft-
shutdown completed (DL = low)
8

V CC Undervoltage-Lockout
Threshold
V UVLO(VCC)
Rising edge, 65mV typical hysteresis,
controller disabled below this level
4.05 4.27 4.48 V
THERMAL PROTECTION
VRHOT Trip Threshold
Measured at THRM with respect to V CC ;
falling edge, typical hysteresis = 75mV
29 30 31 %
VRHOT Delay t VRHOT
THRM forced 25mV below the VRHOT trip
threshold, falling edge
10 µs
VRHOT Output On-Resistance R ON( VRHOT) Low state 2 8

VRHOT Leakage Current High-Z state, VRHOT forced to 5V, T
A = +25°C 1 µA
THRM Input Leakage I THRM V THRM = 0 to 5V, T A = +25°C -0.1 +0.1 µA
Thermal-Shutdown Threshold T SHDN Typical hysteresis = 15°C +160 °C
VALLEY CURRENT LIMIT, DROOP, CURRENT BALANCE, AND CURRENT MONITOR
V TIME - V ILIM = 100mV 7 10 13
V TIME - V ILIM = 500mV 45 50 55
Current-Limit Threshold Voltage
(Positive)
V LIMIT V CSP_ - V CSN_
ILIM = V CC 20 22.5 25
mV
Current-Limit Threshold Voltage
(Negative) Accuracy
V LIMIT(NEG) V CSP_ - V CSN_ , nominally -125% of V LIMIT -4 +4 mV
Current-Limit Threshold Voltage
(Zero Crossing)
V ZX V GND - V LX_ , V DPRSLPVR = 5V 0 mV
CSP_, CSN_ Common-Mode
Input Range
0 2 V