ISL1801 Datasheet, PDF (10/30 Pages) Intersil Corporation – sPMIC for Micro Converter Bias and Drivers

ISL1801
WatchDog Timer Electrical Specifications T_A = +25°C, VR1 = 10V, VR2 = 3.3V. Boldface limits apply over the operating
temperature range, -40°C to +85°C. (Notes 6, 7)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 7)
TYP
(Note 6)
MAX
(Note 7)
UNITS
INPUT PIN
WDI Rising Threshold
WDI, VDDRFE = 3.3V, VCC5 = 5V
1.50
1.64
1.80
V
WDI Falling Threshold
WDI, VDDRFE = 3.3V, VCC5 = 5V
1.40
1.56
1.70
V
WDI Hysteresis
80
Disable Mode Input Voltage Threshold WDI, VDDRFE = 3.3V, VCC5 = 5V
4.5
V
Inner Pull-up Resistor
Pull up to VCC5
37
50
61
kΩ
Minimum Pulse Width
WDI, VDDRFE = 3.3V, VCC5 = 5V
300
ns
TIME-OUT CHARACTERISTICS
Timer Rising Threshold
VCC5 = 5V
4.5
V
SWITCHING CHARACTERISTICS
Timer Reset Pulse Width
1.5
ms
Timer Leakage Current
Timer = 5V
1.2
µA
Timer Voltage Low
PGOOD2 Reset Pulse Width
I_Timer = 4mA
0.5
V
1
ms
Current Sense Op amp Electrical Specifications T_A = +25°C, VR1 = 10V, VR2 = 3.3V. Boldface limits apply over the
operating temperature range, -40°C to +85°C. (Notes 6, 7)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 7
TYP
(Note 6)
MAX
(Note 7)
UNITS
Input Offset Voltage
-1000
µV
Input Bias Current
3
nA
Input Offset Current
±1
nA
V_{CM_min}
V_{CM_max}
CMRR
Minimum Common-Mode Voltage
Maximum Common-Mode Voltage
Common-Mode Rejection Ratio
PSRR Power Supply Rejection Ratio
Large Signal Voltage Gain
V_CM = -0.1V to 2V
V_CC = 3.3V to 5.5V, V_OUT2 = 3.3V
-0.1
V
2
V
100
dB
100
dB
220
V/mV
Maximum Output Voltage Swing
Short-Circuit Output Source Current
AC SPECIFICATIONS
Output low, R_L = 100kΩ to V_CM
Output high, R_L = 100kΩ to V_CM;
VDDREF tied to 3.3V V_OUT2
R_L = 10Ω to V_CM
5.3
mV
3.0
V
30
mA
Gain Bandwidth Product
Input Noise Voltage Peak-to-Peak
Input Noise Voltage Density
Input Noise Current Density
Slew Rate
R_L = 10kΩ to V_CM
F = 0.1Hz to 10Hz
f_O = 1kHz
f_O = 10kHz
130
1.4
64
0.19
100
kHz
µV_P-P
nV/√Hz
pA/√Hz
V/ms
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FN8259.1
July 24, 2014