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参数资料
| 型号： | ISL6268EVAL1Z |
| 厂商： | Intersil |
| 文件页数： | 4/14页 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD FOR ISL6268 |
| 标准包装： | 1 |
| 系列： | Robust Ripple Regulator™ (R³) |
| 主要目的： | DC/DC，步降 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 1.2V |
| 电流 - 输出： | 5A |
| 输入电压： | 7 ~ 25 V |
| 稳压器拓扑结构： | 降压 |
| 频率 - 开关： | 300kHz |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | ISL6268 |
ISL6268
Absolute Voltage Ratings
Thermal Information
ISEN, VIN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +28V
Thermal Resistance (Typical, Note 1)
θ JA (°C/W)
VCC, PGOOD to GND . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7.0V
PVCC to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7.0V
GND to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +0.3V
EN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to GND, VCC +3.3V
VO, FB, COMP, FSET . . . . . . . . . . . . . . . -0.3V to GND, VCC +0.3V
PHASE to GND (DC) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +28V
(<100ns Pulse Width, 10 μ J) . . . . . . . . . . . . . . . . . . . . . . . . . -5.0V
BOOT to GND, or PGND . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V
BOOT to PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7V
UG (DC) . . . . . . . . . . . . . . . . . . . . . . .-0.3V to PHASE, BOOT +0.3V
(<200ns Pulse Width, 20 μ J) . . . . . . . . . . . . . . . . . . . . . . . . -4.0V
LG (DC) . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to PGND, PVCC +0.3V
QSOP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Junction Temperature Range. . . . . . . . . . . . . . . . . .-55 ° C to +150 ° C
Operating Temperature Range . . . . . . . . . . . . . . . .-10 ° C to +100 ° C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65 ° C to +150 ° C
Lead Temperature (Soldering, 10s) . . . . . . . . . . . . . . . . . . . . +300 ° C
Recommended Operating Conditions
Ambient Temperature Range. . . . . . . . . . . . . . . . . .-10°C to +100°C
Supply Voltage (VIN to GND) . . . . . . . . . . . . . . . . . . . . . . 7V to 25V
VCC to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V ±5%
PVCC to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V ±5%
(<100ns Pulse Width, 4 μ J) . . . . . . . . . . . . . . . . . . . . . . . . . . -2.0V
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 with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
These specifications apply for T A = -10°C to +100°C, unless otherwise stated.
All typical specifications T A = +25°C, VCC = 5V, PVCC = 5V
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
VIN Input Bias Current
I VIN
EN = 5V, VIN = 7V
EN = 5V, VIN = 25V
-
-
6.5
26
10
35
μ A
μ A
VIN Shutdown Current
I VIN_SHDN EN = GND, VIN = 25V
-
0.1
1.0
μ A
VCC and PVCC
VCC Input Bias Current
I VCC
EN = 5V, FB = 0.65V, VIN = 7V to 25V
-
1.7
2.5
mA
VCC Shutdown Current
PVCC Shutdown Current
I VCC_SHDN EN = GND, VCC = 5V
I PVCC_SHDN EN = GND, PVCC = 5V
-
-
0.1
0.1
1.0
1.0
μ A
μ A
VCC POR THRESHOLD
Rising VCC POR Threshold Voltage
Falling VCC POR Threshold Voltage
V VCC_THR
V
VCC_THF
4.35
4.10
4.45
4.20
4.55
4.30
V
V
REGULATION
Reference Voltage
Regulation Accuracy
V REF
FB connected to COMP
-
-1
0.6
-
-
+1
V
%
PWM
Frequency Range
Frequency-Set Accuracy
VO Range
F SW
V VO
F SW = 300kHz
200
-12
0.60
-
-
-
600
+12
3.30
kHz
%
V
VO Input Leakage
I VO
VO = 0.60V
VO = 3.30V
-
-
1.3
7.0
-
-
μ A
μ A
ERROR AMPLIFIER
FB Input Bias Current
I FB
FB = 0.60V
-0.5
-
+0.5
μ A
COMP Source Current
COMP Sink Current
COMP High Clamp Voltage
COMP Low Clamp Voltage
I COMP_SRC FB = 0.40V, COMP = 3.20V
I COMP_SNK FB = 0.80V, COMP = 0.30V
V COMP_HC FB = 0.40V, Sink 50 μ A
V COMP_LC FB = 0.80V, Source 50 μ A
-
-
3.10
0.09
2.5
0.3
3.40
0.15
-
-
3.65
0.21
mA
mA
V
V
4
FN6348.0
August 22, 2006
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