ISL1801 Datasheet, PDF (8/30 Pages) Intersil Corporation – sPMIC for Micro Converter Bias and Drivers

ISL1801
High Voltage 10V Bias Regulator VR1 Electrical Specifications T_A = +25°C, VR1 = 10V, VR2 = 3.3V. Boldface
limits apply across the operating temperature range, -40°C to +85°C. (Notes 6, 7) (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 7)
TYP
(Note 6)
MAX
(Note 7)
UNITS
MINIMUM ON TIME
t_MINON
REGULATION AND RIPPLE
0.3
µs
Output Voltage Ripple
V_IN1 = 40V, V_OUT = 10V, F_SW = 100kHz,
100
mV
L_OUT = 470µH, C_OUT = 22µF
OVERCURRENT PROTECTION
Overcurrent Protection Threshold
Test on Wafer Sort and characterized on 120
185
250
mA
bench
OVERVOLTAGE PROTECTION
FB1 OVP Threshold
2.4
V
THERMAL SHUTDOWN
Thermal Shut-down Temperature
Rising Threshold
150
°C
Thermal Shut-down Hysteresis
30
°C
Low Voltage 3.3V Bias Regulator VR2 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
V_IN2 SUPPLY
Input Voltage Range
14
V
VCC5 SUPPLY
VCC5 LDO Output
5
V
Rising UV Threshold
4.760
5.000
5.190
V
Hysteresis
165
mV
REFERENCE AND SOFT-START
V_FB2
Internal Reference Voltage
Soft-Start Interval
Current Limiting Threshold of VR2
Ramps from 25% to 100%
0.686
0.700
0.714
V
1.5
ms
POWER MOSFETs
r_DS(ON) Upper Switch ON-Resistance
r_DS(ON) Lower Switch ON-Resistance
ON TIME GENERATOR (4 trim options)
I_OUT = 200mA
I_OUT = 200mA
1
2
Ω
1
2
Ω
t_ON
t_ON
MINIMUM ON TIME
V_IN2 = 10V, r_ON = 1M
V_IN2 = 12V, r_ON = 1M
950
1100
1250
ns
800
ns
t_MINON
MINIMUM OFF TIME
150
ns
t_MINOFF
REGULATION AND RIPPLE
150
ns
Output Voltage Ripple
V_IN2 = 10V, V_OUT2 = 3.3V,
F_SW = 300kHz,
L_OUT = 47µH, C_OUT = 22µF
30
mV
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8
FN8259.1
July 24, 2014