MAX15004_11 Datasheet, PDF (4/27 Pages) Maxim Integrated Products – 4.5V to 40V Input Automotive Flyback/Boost/SEPIC Power-Supply Controllers

4.5V to 40V Input Automotive
Flyback/Boost/SEPIC Power-Supply Controllers
ELECTRICAL CHARACTERISTICS (continued)
(V_IN = 14V, C_IN = 0.1μF, C_VCC = 0.1μF // 1μF, C_REG5 = 1μF, V_ON/OFF = 5V, C_SS = 0.01μF, C_SLOPE = 100pF, RT = 13.7kΩ, CT =
560pF, V_SYNC = V_OVI = V_FB = V_CS = 0V, COMP = unconnected, OUT = unconnected. T_A = T_J = -40°C to +125°C, unless otherwise
noted. Typical values are at T_A = +25°C. All voltages are referenced to PGND, unless otherwise noted.) (Note 1) (Figure 5)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
COMP Source Current
I_COMP-
SOURCE
V_FB = 1V, V_COMP = 4.5V
1.3
2.8
mA
COMP High Voltage
V_OH-COMP V_FB = 1V, I_COMP = 1mA (sourcing)
V_REG5 V_REG5
- 0.5 - 0.2
V
COMP Low Voltage
Open-Loop Gain
Unity-Gain Bandwidth
Phase Margin
COMP Positive Slew Rate
COMP Negative Slew Rate
PWM COMPARATOR
Current-Sense Gain
V_OL-COMP
A_EAMP
UGF_EAMP
PM_EAMP
SR+
SR-
V_FB = 1.5V, I_COMP = 1mA (sinking)
A_CS-PWM ΔV_COMP/ΔV_CS (Note 5)
0.1 0.25
V
100
dB
1.6
MHz
75
degrees
0.5
V/μs
-0.5
V/μs
2.85
3
3.15
V/V
PWM Propagation Delay to OUT
t_PD-PWM
CS = 0.15V, from V_COMP falling edge:
3V to 0.5V to OUT falling (excluding
leading-edge blanking time)
60
ns
PWM Comparator Current-Sense
Leading-Edge Blanking Time
CURRENT-LIMIT COMPARATOR
Current-Limit Threshold Voltage
Current-Limit Input Bias Current
t_CS-BLANK
V_ILIM
I_B-CS
ILIMIT Propagation Delay to OUT
t_PD-ILIM
OUT= high, 0 ≤ V_CS ≤ 0.3V
From CS rising above V_ILIM (50mV
overdrive) to OUT falling (excluding
leading-edge blanking time)
50
ns
290 305 317
mV
-2
+2
μA
60
ns
ILIM Comparator Current-Sense
Leading-Edge Blanking Time
Number of Consecutive ILIMIT
Events to HICCUP
t_CS-BLANK
50
ns
7
HICCUP Timeout
SLOPE COMPENSATION (Note 6)
Slope Capacitor Charging
Current
Slope Compensation
Slope Compensation Tolerance
(Note 2)
I_SLOPE
Slope Compensation Range
V_SLOPE = 100mV
C_SLOPE = 100pF
C_SLOPE = 100pF
C_SLOPE = 22pF
C_SLOPE = 1000pF
512
Clock
periods
9.8
10.5 11.2
μA
25
mV/μs
-4
+4
%
110
mV/μs
2.5
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