参数资料
| 型号： | ISL6263AIRZ-T |
| 厂商： | Intersil |
| 文件页数： | 7/19页 |
| 文件大小： | 0K |
| 描述： | IC PWN CTRLR SYNC BUCK 32QFN |
| 标准包装： | 6,000 |
| 应用： | 转换器，Intel IMVP-6 |
| 输入电压： | 5 V ~ 25 V |
| 输出数： | 1 |
| 输出电压： | 0.41 V ~ 1.29 V |
| 工作温度： | -40°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-VFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN（5x5） |
| 包装： | 带卷 (TR) |
ISL6263A
Electrical Specifications
These specifications apply for T A = -40°C to +100°C, unless otherwise stated. All typical specifications
T A = +25°C, V DD = 5V, PV CC = 5V. Boldface limits apply over the operating temperature range,
-40°C to +100°C. (Continued)
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 6)
TYP
(Note 6)
UNITS
System Accuracy
ISL6263AIRZ VID = 1.28750V to 0.74675V
-0.8
0.8
%
T A = -40°C to +100°C
VID = 0.72100V to 0.51500V
-2.0
2.0
%
T A = -40°C to +100°C
VID = 0.41200
-4.5
4.5
%
T A = -40°C to +100°C
PWM
Nominal Frequency
f
SW
R FSET = 7k Ω, V COMP = 2V
(ISL6263ACRZ)
318
333
348
kHz
Frequency Range
R FSET = 7k Ω, V COMP = 2V
(ISL6263AIRZ)
318
200
333
352
500
kHz
kHz
Audio Filter Frequency
f
AF
28
kHz
AMPLIFIERS
Error Amplifier DC Gain (Note 7)
A V0
90
dB
Error Amplifier Gain-Bandwidth
Product (Note 7)
Error Amp Slew Rate (Note 7)
GBW
SR
C L = 20pF
C L = 20pF
18
5
MHz
V/μs
FB Input Bias Current
I FB
V FB = 1.28750V
10
150
nA
Droop Amplifier Offset
V
DROOP_OFS
-0.3
0.3
mV
RBIAS =150k Ω
RBIAS Voltage
V
RBIAS
R
1.495
1.515
1.535
V
SOFT-START CURRENT
Soft-Start Current
I SS
-47
-42
-37
μA
Soft Dynamic VID Current
I DVID
|SOFT - REF|>100mV
±180
±205
±230
μA
POWER MONITOR
to V = 1.2V
Power Monitor Output Voltage Range
V
PMON
V
V
SEN SS
DROOP - V O = 80mV,
1.638
1.680
1.722
V
to V = 1.0V
V
V
SEN SS
DROOP - V O = 20mV,
0.308
0.350
0.392
V
Power Monitor Maximum Output
Voltage
V
PMONMAX
2.8
3.0
V
Power Monitor Maximum Current
Sinking Capability
V PMON/ 250 Ω V PMON /180 Ω V PMON /130 Ω
A
to V = 1.0V
to V = 1.0V
Power Monitor Sourcing Current
Power Monitor Source Current
I SC_PMON
I SK_PMON
V
V
V
V
SEN SS
SEN SS
DROOP - V O = 50mV,
DROOP - V O = 50mV,
2.0
2.0
mA
mA
Power Monitor Impedance (Note 7)
I PMON ≤ I SK_PMON, I PMON ≤
I SC_PMON
7
Ω
GATE DRIVER
UGATE Source Resistance (Note 7)
UGATE Source Current (Note 7)
UGATE Sink Resistance (Note 7)
UGATE Sink Current (Note 7)
R UGSRC
I UGSRC
R UGSNK
I UGSNK
500mA Source Current
V UGATE_PHASE = 2.5V
500mA Sink Current
V UGATE_PHASE = 2.5V
1.0
2.0
1.0
2.0
1.5
1.5
Ω
A
Ω
A
7
FN9284.3
July 8, 2010
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