參數(shù)資料
型號: ISL6567CRZ-T
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Multipurpose Two-Phase Buck PWM Controller with Integrated MOSFET Drivers
中文描述: SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PQCC24
封裝: 4 X 4 MM, ROHS COMPLIANT, PLASTIC, MO-220VGGD-2, QFN-24
文件頁數(shù): 5/26頁
文件大小: 659K
代理商: ISL6567CRZ-T
5
Absolute Maximum Ratings
Supply Voltage, VCC, PVCC . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
Shunt Regulator Voltage, V
VREG
. . . . . . . . . . . . . . . -0.3V to +6.5V
Boot Voltage, V
BOOT
. . . . . . . . . . . . . PGND - 0.3V to PGND + 27V
Phase Voltage, V
PHASE
. . . . . . . . . . V
BOOT
- 7V to V
BOOT
+ 0.3V
Upper Gate Voltage, V
UGATE
. . . .V
PHASE
- 0.3V to V
BOOT
+ 0.3V
Lower Gate Voltage, V
LGATE
. . . . . . . . PGND - 0.3V to VCC + 0.3V
Input, Output, or I/O Voltage . . . . . . . . . GND - 0.3V to VCC + 0.3V
ESD Classification . . . . . . . . . . . . . . . . . .HBM Class 1 JEDEC STD
Recommended Operating Conditions
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . .+4.9V to +5.5V
Ambient Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Thermal Information
Thermal Resistance
QFN Package (Notes 1, 2). . . . . . . . . .
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . .150°C
Maximum Storage Temperature Range. . . . . . . . . . .-65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300°C
θ
JA
(°C/W)
43
θ
JC
(°C/W)
7
CAUTION: Stress 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 section of this specification is not implied.
NOTES:
1.
θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
2. For
θ
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Operating Conditions: V
CC
= 5V, T
J
= -40°C to 85°C, Unless Otherwise Specified
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
BIAS SUPPLY AND INTERNAL OSCILLATOR
Input Bias Supply Current
I
VCC
; EN > 0.7V; LGATE, UGATE open
-
7.6
9
mA
Rising VCC POR (Power-On Reset) Threshold
4.30
4.40
4.50
V
VCC POR Hysteresis
0.46
0.51
0.58
V
Rising PVCC POR Threshold
3.60
3.67
3.75
V
Shunt Regulation
V
VCC
; I
VREG
= 0 to 120mA
4.90
5.10
5.35
V
Maximum Shunt Current
I
VREG_MAX
120
-
-
mA
Switching Frequency (per channel; Note 4)
F
SW
200
-
2000
kHz
Frequency Tolerance
F
SW
-10
-
10
%
Oscillator Peak-to-Peak Ramp Amplitude
V
OSC
-
1.4
-
V
Maximum Duty Cycle
d
MAX
-
66
-
%
CONTROL THRESHOLDS
EN Threshold
-
0.65
-
V
EN Hysteresis Current
-
20
-
μ
A
MON Power-Good Enable Threshold
V
MON_TH
290
305
320
mV
MON Hysteresis Current
-
10
-
μ
A
SOFT-START
SS Current
I
SS
-
22
-
μ
A
SS Ramp Amplitude
0.55
-
3.60
V
SS Threshold for Output Gates Turn-Off
0.40
-
-
V
REFERENCE AND DAC
System Accuracy (Commercial Temp. Range)
-0.6
-
0.6
%
System Accuracy (Industrial Temp. Range)
-0.8
-
0.8
%
Internal Reference
V
REF
-
0.6
-
V
External Reference DC Amplitude Range
V
REFTRK
(DC)
0.1
-
2.3
V
External Reference DC Offset Range
V
REFTRK
(DC) offset
-4.5
-
4.5
mV
ISL6567
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