参数资料
| 型号： | MIC5167YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 4/23页 |
| 文件大小： | 0K |
| 描述： | IC REG SYNC BUCK 6A 1MHZ 24-MLF |
| 标准包装： | 1 |
| 应用： | 转换器，DDR，QDR |
| 输入电压： | 2.6 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 最低可调至 0.6V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-VFQFN 裸露焊盘，24-MLF? |
| 供应商设备封装： | 24-MLF?（4x4） |
| 包装： | 标准包装 |
| 其它名称： | 576-3793-6 |
Micrel, Inc.
Absolute Maximum Ratings (1,2)
PV IN to PGND.................................................... –0.3V to 6V
SV IN to PGND..................................................–0.3V to PV IN
V DDQ to PGND .................................................–0.3V to PV IN
V SW to PGND...................................................–0.3V to PV IN
V EN/DLY to PGND ..............................................–0.3V to PV IN
V PG to PGND ...................................................–0.3V to PV IN
PGND to SGND ............................................. –0.3V to 0.3V
Junction Temperature ................................................ 150°C
Storage Temperature Range .................... –65°C to +150°C
MIC5167
Operating Ratings (3)
Supply Voltage (PV IN ,SV IN ) .............................. 2.6V to 5.5V
Supply Voltage (V DDQ ) .......................................0.7V to PV IN
Power-Good (PG) Voltage (V PG )..........................0V to PV IN
Enable Input (V EN/DLY )...........................................0V to PV IN
Junction Temperature (T J ) ..................–40°C ≤ T J ≤ +125°C
Package Thermal Resistance
4mm x 4mm MLF ? -24 ( θ JC )................................14°C/W
4mm x 4mm MLF ? -24 ( θ JA )................................40°C/W
Lead Temperature (soldering, 10s)............................ 260°C
Electrical Characteristics (4)
SV IN = PV IN = V EN/DLY = 3.3V, V FB = V TT = 0.6V, T A = 25°C, unless noted. Bold values indicate –40°C< T J < +125°C.
Parameter
Condition
Min.
Typ.
Max.
Units
Power Input Supply
Input Voltage Range (PV IN )
2.6
5.5
V
Undervoltage Lockout (UVLO) Trip
Level
PV IN Rising
2.4
2.5
2.6
V
UVLO Hysteresis
280
mV
Quiescent Supply Current
Shutdown Current
V FB = 0.9V (not switching)
V EN/DLY = 0V
0.85
5
1.3
10
mA
μA
V TT Output
V TT Output Voltage
Load Regulation
Line Regulation
FB Pin Bias Current
V DDQ =1.2V
V FB =0.6V, I OUT = -6A to +6A
V FB = 0.6V; V IN = 2.6 to 5.5V, I LOAD = 100mA
V FB = 0.6V
0.588
0.6
0.4
0.2
10
0.612
V
%
%
nA
Enable Control
EN/DLY Threshold Voltage
EN Hysteresis
1.14
1.24
20
1.34
V
mV
EN/DLY Source Current
V EN/DLY = 0.5V; V IN = 2.9V and V IN = 5.5V
0.7
1.0
1.3
μA
Oscillator
Switching Frequency
Maximum Duty Cycle
I OUT = 0A
V FB ≤ 0.5V
0.8
100
1.0
1.2
MHz
%
Short-Current Protection
Sourcing Current Limit
V FB = 0.5V
6.5
9
14
A
Internal FETs
Top-MOSFET R DS(ON)
Bottom-MOSFET R DS(ON)
SW Leakage Current
V IN Leakage Current
V FB = 0.5V, I SW = 1A
V FB = 0.9V, I SW = -1A
PV IN = 5.5V, V SW = 5.5V, V EN = 0V
PV IN = 5.5V, V SW = 0V, V EN = 0V
30
25
60
25
m ?
m ?
μA
January 2012
4
M9999-012312-B
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