参数资料
型号: MIC261203YJL EV
厂商: Micrel Inc
文件页数: 4/31页
文件大小: 0K
描述: BOARD EVAL FOR MIC261203YJL
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,隔离
输出电压: 5V
电流 - 输出: 12A
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: MIC261203
其它名称: 576-4014
Micrel, Inc.
Absolute Maximum Ratings (1,2)
PV IN to PGND................................................ –0.3V to +29V
V IN to PGND ....................................................–0.3V to PV IN
PV DD , V DD to PGND ......................................... –0.3V to +6V
V SW , V CS to PGND .............................. –0.3V to (PV IN +0.3V)
V BST to V SW ........................................................ –0.3V to 6V
V BST to PGND .................................................. –0.3V to 35V
V FB , V PG to PGND............................... –0.3V to (V DD + 0.3V)
V EN to PGND ........................................ –0.3V to (V IN +0.3V)
PGND to SGND ........................................... –0.3V to +0.3V
MIC261203
Operating Ratings (3)
Supply Voltage (PV IN , V IN )............................... 4.5V to 28V
PVDD, VDD Supply Voltage (PV DD , V DD )......... 4.5V to 5.5V
Enable Input (V EN ) .................................................. 0V to V IN
Junction Temperature (T J ) ........................ –40 ° C to +125 ° C
Maximum Power Dissipation......................................Note 4
Package Thermal Resistance (4)
5mm x 6mm MLF ? -24L ( θ JA ) .............................28 ° C/W
Junction Temperature .............................................. +150°C
Storage Temperature (T S )......................... –65 ° C to +150 ° C
Lead Temperature (soldering, 10sec)........................ 260°C
Electrical Characteristics (5)
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.
Parameter
Condition
Min.
Typ.
Max.
Units
Power Supply Input
Input Voltage Range (V IN , PV IN )
4.5
28
V
Quiescent Supply Current
Shutdown Supply Current
V FB = 1.5V (non-switching)
V EN = 0V
450
5
750
10
μA
μA
V DD Supply Voltage
V DD Output Voltage
V DD UVLO Threshold
V IN = 7V to 28V, I DD = 40mA
V DD Rising
4.8
3.7
5
4.2
5.4
4.5
V
V
V DD UVLO Hysteresis
400
mV
Dropout Voltage (V IN – V DD )
I DD = 25mA
380
600
mV
DC/DC Controller
Output-Voltage Adjust Range
(V OUT )
0.8
5.5
V
Reference
Load Regulation
Line Regulation
0 ° C ≤ T J ≤ 85 ° C (±1.0%)
–40 ° C ≤ T J ≤ 125 ° C (±1.5%)
I OUT = 3A to 12A (Continuous Mode)
V IN = 4.5V to 28V
0.792
0.788
0.8
0.8
0.25
0.25
0.808
0.812
V
%
%
FB Bias Current
V FB = 0.8V
50
500
nA
Enable Control
EN Logic Level High
EN Logic Level Low
1.8
0.6
V
V
EN Bias Current
V EN = 12V
6
30
μA
Oscillator
Switching Frequency (6)
450
600
750
kHz
Maximum Duty Cycle
Minimum Duty Cycle
Minimum Off-Time
July 2011
(7)
V FB = 0V
V FB = 1.0V
4
82
0
300
%
%
ns
M9999-071311-A
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