ISL85415FRZ-T7A データシートの表示（PDF） - Renesas Electronics
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ISL85415FRZ-T7A Datasheet PDF : 31 Pages
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ISL85415
2. Specifications
2.4 Electrical Specifications
Recommended operating conditions, TA = -40°C to +125°C, VIN = 3V to 36V, unless otherwise specified. Typical values are at TA = +25°C.
Boldface limits apply across the operating temperature range (-40°C to +125°C).
Parameter
Symbol
Test Conditions
Min
Max
(Note 8) Typ (Note 8) Unit
Supply Voltage
VIN Voltage Range
VIN Quiescent Supply Current
VIN Shutdown Supply Current
VCC Voltage
Power-on Reset
VIN
IQ
VFB = 0.7V, SYNC = 0V, fSW = VCC
ISD
EN = 0V, VIN = 36V (Note 6)
VCC
IOUT = 0mA
VIN = 6V; IOUT = 10mA
3
36
V
80
µA
1.8
2.5
µA
4.8
5.15
5.5
V
4.65
5
5.35
V
VCC POR Threshold
Rising Edge
Falling Edge
2.75
2.95
V
2.4
2.6
V
Oscillator
Nominal Switching Frequency
fSW
FS Pin = VCC
440
500
560
kHz
Resistor from FS pin to GND = 340kΩ
240
300
360
kHz
Resistor from FS pin to GND = 32.4kΩ
2000
kHz
Minimum Off-Time
Minimum On-Time
FS Voltage
Synchronization Frequency
tMIN_OFF
tMIN_ON
VFS
SYNC
VIN = 3V
(Note 9)
RFS = 100kΩ
150
ns
90
ns
0.39
0.4
0.41
V
300
2000
kHz
SYNC Pulse Width
100
ns
Error Amplifier
Error Amplifier Transconductance Gain
gm External Compensation
165
230
295
µA/V
Internal Compensation
50
µA/V
FB Leakage Current
Current Sense Amplifier Gain
FB Voltage
VFB = 0.6V
RT
1
100
nA
0.54
0.6
0.66
V/A
0.594 0.600 0.606
V
Power-Good
Lower PG Threshold - VFB Rising
90
94
%
Lower PG Threshold - VFB Falling
82.5
86
%
Upper PG Threshold - VFB Rising
116.5
120
%
Upper PG Threshold - VFB Falling
107
112
%
PG Propagation Delay
Percentage of the soft-start time
10
%
PG Low Voltage
Tracking and Soft-Start
ISINK = 3mA, EN = VCC, VFB = 0V
0.05
0.3
V
Soft-Start Charging Current
Internal Soft-Start Ramp Time
ISS
EN/SS = VCC
1.5
2
2.5
µA
1.7
2.4
3.1
ms
FN8373 Rev.5.01
Jun.4.20
Page 8 of 30
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