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参数资料
| 型号： | ISL6232EVAL1 |
| 厂商： | Intersil |
| 文件页数： | 3/25页 |
| 文件大小： | 0K |
| 描述： | EVALUATION BOARD 1 ISL6232 |
| 标准包装： | 1 |
| 主要目的： | DC/DC，LDO 步降 |
| 输出及类型： | 4，非隔离 |
| 输入电压： | 5.5 ~ 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： | ISL6232 |
ISL6232
Absolute Maximum Ratings
Thermal Information
SHDN#, VIN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +28V
Thermal Resistance
θ JA (°C/W)
BOOT3, BOOT5 to GND . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V
VCC, LDO3, LDO5, CS3, CS5, OUT3, OUT5, COMP3, COMP5,
FB3, FB5, SKIP#, FREQ, PGOOD, EN3, EN5, REF
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
BOOT3 to PHASE3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
BOOT5 to PHASE5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
28 Lead QSOP Package (Note 1) . . . . . . . . . . . . . . 77
Junction Temperature Range. . . . . . . . . . . . . . . . . .-55°C to +150°C
Operating Temperature Range . . . . . . . . . . . . . . . -10°C to +100°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
UGATE3 to PHASE3 . . . . . . . . . . . . . . . . . -0.3V to (BOOT3 + 0.3V)
UGATE5 to PHASE5 . . . . . . . . . . . . . . . . . -0.3V to (BOOT5 + 0.3V)
LGATE3 to GND . . . . . . . . . . . . . . . . . . . . . -0.3V to (LDO5 + 0.3V)
LGATE5 to PGND . . . . . . . . . . . . . . . . . . . . -0.3V to (LDO5 + 0.3V)
PHASE3 to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-1V to 28V
PHASE5 to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1V to 28V
PGND to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 0.3V
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
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
VIN = 12V, SHDN# = EN3 = EN5 = VCC, SKIP# = FB3 = FB5 = 0V, I LDO5 = 0mA, I LDO3 = 0mA, C REF = 0.22μF,
C LDO3 = C LDO5 = 4.7μF, T A = -10°C to +100°C (Note 2). Parameters with MIN and/or MAX limits are 100%
tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not
production tested.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
SMPS CONTROLLER
VIN Voltage Range
(Note 3)
5.5
25
V
3.3V Fixed Output Voltage
5.0V Fixed Output Voltage
FB3/FB5 at Programmable Mode
FB3/FB5 Programmable Mode Threshold
VIN = 5.5V to 25V, FB3 = 0V, SKIP# = VCC
VIN = 5.5V to 25V, FB5 = 0V, SKIP# = VCC
VIN = 5.5V to 25V, SKIP# = VCC
3.250
5.023
0.788
0.1
3.300
5.100
0.800
0.2
3.350
5.177
0.812
0.3
V
V
V
V
Voltage
OUT3/OUT5 Voltage Range at Programmable
(Note 3)
0.8
5.5
V
Mode
Line Regulation
VIN = 5.5V to 25V @ OUT3
0.005
%/V
VIN = 5.5V to 25V @ OUT5
SKIP# = VCC, IOUT = 0A to 5A
-0.1
Load Regulation
SKIP# = 0V, IOUT = 0A to 5A
SKIP# = REF, IOUT = 0A to 5A
-0.5
-0.5
%
OUT3/OUT5 Input Leakage Current
CS3/CS5 Input Leakage Current
FB3/FB5 Input Bias Current
LDO5 = OUT = 5.5V, EN3 = EN5 = 0V
LDO5 = CS = 5.5V, EN3 = EN5 = 0V
FB = 0.75V
0.1
0.1
0.01
1
1
0.1
μA
μA
μA
COMP3/COMP5 Trans-Conductance
Positive Current Limit Threshold
Pulse Skipping Current Threshold
Zero Crossing Current Threshold
Negative Current Limit Threshold
Operating Frequency
COMP = 2.5V
CS-OUT
CS-OUT
CS-OUT
CS-OUT
VIN = 5.5V to 25V
50
64
3
255
100
80
13
6
-20
300
150
96
26
345
μs
mV
mV
mV
mV
kHz
Maximum Duty Cycle
94
%
OUT3/OUT5 Soft-Start Period
EN = VCC
1.0
1.2
1.4
ms
3
FN9116.1
April 20, 2009
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