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ISL6521 数据表(PDF) 4 Page - Intersil Corporation

部件名 ISL6521
功能描述  PWM Buck DC-DC and Triple Linear Power Controller
Download  13 Pages
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制造商  INTERSIL [Intersil Corporation]
网页  http://www.intersil.com/cda/home
标志 INTERSIL - Intersil Corporation

ISL6521 数据表(HTML) 4 Page - Intersil Corporation

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4
Absolute Maximum Ratings
UGATE, BOOT. . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 15V
VCC, PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +7V
DRIVE, LGATE, all other pins . . . . . . . . GND - 0.3V to VCC + 0.3V
Operating Conditions
Supply Voltage on VCC . . . . . . . . . . . . . . . . . . . . . . . . . . +5V
±10%
Ambient Temperature Range
ISL6521CBZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
ISL6521IBZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to 85°C
Junction Temperature Range. . . . . . . . . . . . . . . . . . -40°C to 125°C
Thermal Information
Thermal Resistance (Typical, Note 1)
θJA (°C/W)
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .
74
Maximum Junction Temperature (Plastic Package) . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°C
(SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
Operating Conditions: VCC = 5V, TA = 0°C to 70°C, Unless Otherwise Noted. Typical specifications are at
TA = 25°C.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC SUPPLY CURRENT
Nominal Supply Current
ICC
UGATE, LGATE, and DRIVEx Open
-
5
-
mA
POWER-ON RESET
Rising VCC Threshold
4.25
-
4.51
V
Falling VCC Threshold
3.74
-
4.0
V
OSCILLATOR AND SOFT-START
Free Running Frequency
FOSC
ISL6521CBZ
275
300
325
kHz
ISL6521IBZ (-40°C to 85°C)
250
300
350
kHz
Ramp Amplitude
∆VOSC
-
1.5
-
VP-P
Soft-Start Interval
TSS
6.25
6.83
7.40
ms
REFERENCE VOLTAGE
Reference Voltage (All Regulators)
VREF
0.780
0.800
0.820
V
All Outputs Voltage Regulation
ISL6521CBZ
-2.0
-
+2.0
%
ISL6521IBZ (-40°C to 85°C)
-2.5
-
+2.5
%
LINEAR REGULATORS (OUT2, OUT3, AND OUT4)
Output Drive Current (All Linears)
VCC > 4.5V
100
120
-
mA
Undervoltage Level (VFB/VREF)
VUV
-
70
-
%
SYNCHRONOUS PWM CONTROLLER ERROR AMPLIFIER
DC Gain
-
80
-
dB
Gain-Bandwidth Product
GBWP
15
-
-
MHz
Slew Rate
SR
COMP = 10pF
-
6
-
V/
µs
PWM CONTROLLER GATE DRIVERS
UGATE Source
IUGATE
VCC = 5V, VUGATE = 2.5V
-
-1
-
A
UGATE Sink
IUGATE
VUGATE-PHASE = 2.5V
-
1
-
A
LGATE Source
ILGATE
VCC = 5V, VLGATE = 2.5V
-
-1
-
A
LGATE Sink
ILGATE
VLGATE = 2.5V
-
2
-
A
PROTECTION
OCSET Current Source
IOCSET
ISL6521CBZ
34
40
46
µA
ISL6521IBZ (-40°C to 85°C)
31.5
40
48
µA
ISL6521


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