参数资料
型号: MIC26903YJL EV
厂商: Micrel Inc
文件页数: 5/31页
文件大小: 0K
描述: BOARD EVAL FOR MIC26903YJL
标准包装: 1
系列: HyperLight Load®, SuperSwitcher IIG™
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 5V
电流 - 输出: 9A
输入电压: 5.5 ~ 28 V
稳压器拓扑结构: 降压
频率 - 开关: 600kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MIC26903
其它名称: 576-4018
Micrel, Inc.
Electrical Characteristics (5) (Continued)
PV IN = V IN = V EN = 12V, V BST – V SW = 5V; T A = 25°C, unless noted. Bold values indicate ? 40°C ≤ T J ≤ +125°C.
MIC26903
Parameter
Condition
Min.
Typ.
Max.
Units
Soft-Start
Soft-Start time
Short-Circuit Protection
5
ms
Current-Limit Threshold
Current-Limit Threshold
Short-Circuit Current
V FB = 0.8V, T J = 25 ° C
V FB = 0.8V, T J = 125 ° C
V FB = 0V
12.5
11.25
15
15
4
20
20
A
A
A
Internal FETs
Top-MOSFET R DS (ON)
Bottom-MOSFET R DS (ON)
SW Leakage Current
V IN Leakage Current
I SW = 3A
I SW = 3A
V EN = 0V
V EN = 0V
27
10.5
60
25
m ?
m ?
μA
μA
Power Good (PG)
PG Threshold Voltage
PG Hysteresis
PG Delay Time
PG Low Voltage
Sweep V FB from Low to High
Sweep V FB from High to Low
Sweep V FB from Low to High
Sweep V FB < 0.9 × V NOM , I PG = 1mA
85
92
5.5
100
70
95
200
%V OUT
%V OUT
μs
mV
Thermal Protection
Over-Temperature Shutdown
Over-Temperature Shutdown
Hysteresis
T J Rising
160
15
° C
° C
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k ? in series with 100pF.
3. The device is not guaranteed to function outside operating range.
4. PD (MAX) = (T J(MAX) – T A )/ θ JA , where θ JA depends upon the printed circuit layout. A 5 square inch 4 layer, 0.62”, FR-4 PCB with 2oz finish copper weight
per layer is used for the θ JA .
5. Specification for packaged product only.
6. Measured in test mode.
7. The maximum duty-cycle is limited by the fixed mandatory off-time t OFF of typically 300ns.
July 2011
5
M9999-071311-A
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