参数资料
| 型号： | MIC22602YML TR |
| 厂商： | Micrel Inc |
| 文件页数： | 3/24页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 6A 24MLF |
| 标准包装： | 1 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 0.7V |
| 输入电压： | 2.6 V ~ 5.5 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 1MHz |
| 电流 - 输出： | 6A |
| 同步整流器： | 是 |
| 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? |
| 包装： | 标准包装 |
| 供应商设备封装： | 24-MLF?（4x4） |
| 其它名称： | 576-3645-6 |
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (PV IN , SV IN ) .............................. –0.3V to 6V
Output Switch Voltage (V SW ) ............................. –0.3V to 6V
Output Switch Current (I SW ).......................Internally Limited
Logic Input Voltage (EN, POR, DLY) ................ –0.3V to V IN
Control Voltage (RC, COMP, FB) ..................... –0.3V to V IN
Storage Temperature (T s ) ......................... –65°C to +150°C
ESD Rating (3) .................................................................. 2kV
MIC22602
Operating Ratings (2)
Supply Voltage (V IN )......................................... 2.6V to 5.5V
Junction Temperature (T J ) ..................–40°C ≤ T J ≤ +125°C
Thermal Resistance
4x4 MLF-24 ( θ JC ) ...............................................14°C/W
4x4 MLF-24 ( θ JA ) ...............................................40°C/W
Lead Temperature (Soldering 10sec) ........................ 260°C
Electrical Characteristics (4)
T A = 25°C with V IN = V EN = 3.3V; V OUT = 1.8V, unless otherwise specified. Bold values indicate –40°C< T J < +125°C.
Parameter
Supply Voltage Range
V IN Turn-ON Voltage Threshold
Condition
V IN Rising
Min
2.6
2.4
Typ
2.5
Max
5.5
2.6
Units
V
V
UVLO Hysteresis
280
mV
Quiescent Current, PWM Mode
Shutdown Current
V EN ≥ 1.34V; V FB = 0.9V (not switching)
V EN = 0V
850
5
1300
10
μA
μA
Feedback Voltage
± 2% (over temperature)
0.686
0.7
0.714
V
FB Pin Input Current
1
nA
Current Limit
V FB = 0.5
6
10
14
A
Output Voltage Line Regulation
Output Voltage Load Regulation
Maximum Duty Cycle
Switch ON-Resistance PFET
Switch ON-Resistance NFET
V OUT 1.8V, V IN = 2.6 to 5.5V, I LOAD = 100mA
100mA < I LOAD < 6A, V IN = 3.3V
V FB ≤ 0.5V
I SW = 1000mA; V FB =0.5V
I SW = 1000mA; V FB =0.9V
100
0.2
0.2
0.03
0.025
%
%
%
?
?
Oscillator Frequency
EN Threshold Voltage
0.8
1.14
1
1.24
1.2
1.34
MHz
V
EN Source Current
RC Pin I RAMP
V IN = 2.6 to V IN = 5.5V
Ramp Control Current
0.7
0.7
1
1
1.3
1.3
μA
μA
Power On Reset I PG(LEAK)
Power On Reset V PG(LO)
V PORH = 5.5V; POR = High
Output Logic-Low Voltage (undervoltage condition),
I POR = 5mA
130
1
2
μA
μA
mV
Power On Reset V PG
Threshold, % of V OUT below nominal
7.5
10
12.5
%
Hysteresis
Over-Temperature Shutdown
Over-Temperature Shutdown
Hysteresis
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Devices are ESD sensitive. Handling precautions recommended.
4. Specification for packaged product only.
October 2009
3
2
160
20
%
° C
° C
M9999-102809-A
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