参数资料
型号: ISL8502EVAL1Z
厂商: Intersil
文件页数: 5/19页
文件大小: 0K
描述: EVALUATION BOARD FOR ISL8502
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 2,非隔离
输出电压: 2.5V,2.5V
电流 - 输出: 2.5A. 2.5A
输入电压: 4.5 ~ 14 V
稳压器拓扑结构: 降压
频率 - 开关: 500kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: ISL8502
ISL8502
Absolute Maximum Ratings
Thermal Information
VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +16.5V
Thermal Resistance
θ JA (°C/W) θ JC (°C/W)
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +6.0V
Absolute Boot Voltage, V BOOT . . . . . . . . . . . . . . . . . . . . . . . +22.0V
Upper Driver Supply Voltage, V BOOT - V PHASE . . . . . . . . . . . +6.0V
All other Pins . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to VCC + 0.3V
QFN Package (Notes 1, 2) . . . . . . . . . 39 2.5
Maximum Junction Temperature (Plastic Package) . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . -65°C to +150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . .see link below
Recommended Operating Conditions
Supply Voltage on VIN . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V to 14V
Ambient Temperature Range . . . . . . . . . . . . . . . . . . -40°C to +85°C
Junction Temperature Range. . . . . . . . . . . . . . . . . -40°C to +125°C
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.
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.
3. Minimum V IN can operate below 5.5V as long as VCC is greater than 4.5V.
4. Maximum V IN can be higher than 14V voltage stress across the upper and lower do not exceed 15.5V in all conditions.
5. Circuit requires 150ns minimum on time to detect overcurrent condition.
6. Limits established by characterization and are not production tested.
7. 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.
Electrical Specifications
Refer to Block and Simplified Power System Diagrams and Typical Application Schematics. Operating
Conditions Unless Otherwise Noted: V IN = 12V, or V CC = 5V ±10%, T A = -40°C to +85°C. Typical are at
T A = +25°C.
MIN
MAX
PARAMETER
SYMBOL
TEST CONDITIONS
(Note 7)
TYP
(Note 7) UNITS
V IN SUPPLY
Input Voltage Range
V IN
5.5
14
V
(Note 3)
(Note 4)
V IN tied to VCC
4.5
5.5
V
Input Operating Supply Current
I Q
V FB = 1.0V
7
mA
Input Standby Supply Current
I Q_SBY
EN tied to GND, V IN = 14V
1.25
2
mA
SERIES REGULATOR
VCC Voltage
Maximum Output Current
V PVCC
I PVCC
V IN > 5.6V
V IN = 12V
4.5
50
5.0
5.5
V
mA
VCC Current Limit
V IN = 12V, VCC shorted to PGND
300
mA
POWER-ON RESET
Rising VCC POR Threshold
Falling VCC POR Threshold
4.2
3.85
4.4
4.0
4.49
4.10
V
V
ENABLE
Rising Enable Threshold Voltage
Falling Enable Threshold Voltage
Enable Sinking Current
V EN_Rising
V EN_Fall
I EN
2.7
2.3
500
V
V
μA
OSCILLATOR
5
FN6389.2
June 29, 2010
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