參數(shù)資料
型號: ISL6521IBZ-T
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: PWM Buck DC-DC and Triple Linear Power Controller
中文描述: SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO16
封裝: GREEN, PLASTIC, MS-012-AC, SOIC-16
文件頁數(shù): 4/13頁
文件大?。?/td> 639K
代理商: ISL6521IBZ-T
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)
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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)
θ
JA
(°C/W)
74
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.
θ
JA
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, T
A
= 0°C to 70°C, Unless Otherwise Noted. Typical specifications are at
T
A
= 25°C.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC SUPPLY CURRENT
Nominal Supply Current
I
CC
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
F
OSC
ISL6521CBZ
275
300
325
kHz
ISL6521IBZ (-40°C to 85°C)
250
300
350
kHz
Ramp Amplitude
V
OSC
-
1.5
-
V
P-P
Soft-Start Interval
T
SS
6.25
6.83
7.40
ms
REFERENCE VOLTAGE
Reference Voltage (All Regulators)
V
REF
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 (V
FB
/V
REF
)
V
UV
-
70
-
%
SYNCHRONOUS PWM CONTROLLER ERROR AMPLIFIER
DC Gain
-
80
-
dB
Gain-Bandwidth Product
GBWP
15
-
-
MHz
Slew Rate
SR
COMP = 10pF
-
6
-
V/
μ
s
PWM CONTROLLER GATE DRIVERS
UGATE Source
I
UGATE
VCC = 5V, V
UGATE
= 2.5V
-
-1
-
A
UGATE Sink
I
UGATE
V
UGATE-PHASE
= 2.5V
-
1
-
A
LGATE Source
I
LGATE
VCC = 5V, V
LGATE
= 2.5V
-
-1
-
A
LGATE Sink
I
LGATE
V
LGATE
= 2.5V
-
2
-
A
PROTECTION
OCSET Current Source
I
OCSET
ISL6521CBZ
34
40
46
μ
A
ISL6521IBZ (-40°C to 85°C)
31.5
40
48
μ
A
ISL6521
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