MAX15569 Datasheet, PDF (3/41 Pages) Maxim Integrated Products – 2-Phase/1-Phase QuickTune-PWM Controller with Serial I2C Interface

MAX15569
2-Phase/1-Phase QuickTune-PWM Controller with
Serial I²C Interface
Electrical Characteristics (0°C to +85°C) (continued)
(Circuit of Figure 1. V_IN = 10V, V_BIAS = 5V, V_TT = 1.8V, EN = BIAS, GNDS = AGND, V_FBAC = V_FB = V_{CSP_} = V_{CSN_} = 1V [SETVOUT
register 0x07h set to 0x33h]. T_A = 0°C to +85°C, unless otherwise noted. Typical values are at +25°C. All devices 100% tested at
+25°C. Limits over temperature are guaranteed by design.)
PARAMETER
GNDS Input Range
GNDS Gain
GNDS Input BIAS Current
TON Shutdown Current
DRVPWM_ On-Time
(Note 3)
Minimum Off-Time (Note 3)
Slew-Rate Accuracy (see Table
8 for Soft-Start and Regular
Slew-Rate Combinations)
FAULT PROTECTION
Upper INT and Output
Overvoltage-Protection Trip
Threshold
Upper INT and Output
Overvoltage Propagation Delay
Lower INT and Output
Undervoltage-Protection Trip
Threshold
Lower INT Propagation Delay
Output Undervoltage
Propagation Delay
INT Output Low Voltage
INT Leakage Current
INT Startup Delay and
Transitions Blanking Time
V_BIAS Undervoltage-Lockout
Threshold
SYMBOL
CONDITIONS
A_GNDS
I_GNDS
t_ON
t_OFF(MIN)
T_A = +25°C
EN = AGND, V_IN = 24V,
V_BIAS = 0V or 5V, T_A = +25°C
Measured at DRVPWM_,
R_TON = 136.3kΩ (1400kHz)
Measured at DRVPWM_,
R_TON = 200kΩ (1000kHz)
Measured at DRVPWM_,
R_TON = 326.7kΩ (600kHz)
Measured at DRVPWM_
Slew rate = 3.5mV/µs , 4.5mV/µs, 5.5mV/µs,
7mV/µs, 9mV/µs, 11mV/µs, 14mV/µs,
18mV/µs, 22mV/µs, 28mV/µs, 36mV/µs,
44mV/µs (nominal)
V_OVP Soft-start completed, measured at FB
t_OVP FB forced 25mV above trip threshold
V_UVP
Measured at FB, with respect to unloaded
output voltage
FB forced 25mV below trip threshold
t_UVP
t_INT
V_UVLO
FB forced 25mV below trip threshold
I_SINK = 4mA
High state, INT forced to 5V, T_A = +25°C
Measured from the time when FB reaches the
target voltage
Rising edge, 50mV typical hysteresis, controller
disabled below this level
MIN
-200
0.97
-0.5
60
92
141
-20
1.78
-300
100
4.3
TYP
1.00
0.01
71
104
166
100
1.83
5
-250
5
200
4
4.5
MAX
+200
1.03
+0.5
UNITS
mV
V/V
µA
0.1
µA
82
114
ns
192
133
ns
%
1.88
V
µs
-200 mV
µs
350
µs
0.3
V
1
µA
µs
4.7
V
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