参数资料
型号: MIC2800-G4JYML TR
厂商: Micrel Inc
文件页数: 4/20页
文件大小: 506K
描述: IC REG TRPL BUCK/LINEAR 16MLF
标准包装: 5,000
拓扑: 降压(降压)(1),线性(LDO)(2)
功能: 任何功能
输出数: 3
频率 - 开关: 2MHz
电压/电流 - 输出 1: 1.8V,600mA
电压/电流 - 输出 2: 1.2V,300mA
电压/电流 - 输出 3: 2.5V,300mA
带 LED 驱动器:
带监控器:
带序列发生器:
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 16-VFQFN,16-MLF?
供应商设备封装: 16-MLF?(4x4)
包装: 带卷 (TR)
其它名称: MIC2800-G4JYMLTR
MIC2800-G4JYMLTR-ND
Micrel, Inc.
MIC2800
 
September 2007 
4
M9999-090507-C
 
Absolute Maximum Ratings
(1)
Supply Voltage (V
IN
).............................................0V to +6V
Enable Input Voltage (V
EN
)...................................0V to +6V
LOWQ Mode (V
LOWQ
)...........................................0V to +6V
Power Dissipation, Internally Limited
(3)
 
Lead Temperature (soldering, 10 sec.)......................260癈
Storage Temperature (T
s
).........................65癈 to +150癈
EDS Rating
(4)
..................................................................2kV
Operating Ratings
(2)
Supply voltage (V
IN
).....................................+2.7V to +5.5V
Enable Input Voltage (V
EN
).....................................0V to V
IN
 
LOWQ Mode (V
LOWQ
).............................................0V to V
IN
 
Junction Temperature (T
J
)........................40癈 to +125癈
Junction Thermal Resistance
   MLF-16 (?/DIV>
JA
)......................................................45癈/W
 
 
 
 
Electrical Characteristics
(5)
 
V
IN
= EN1 = EN2 = LOWQ = V
OUT
(6)
+ 1V; C
OUTDC/DC
= 2.2礔, C
OUT1
= C
OUT2
= 2.2礔; I
OUTDC/DC
= 100mA;
I
OUTLDO1
= I
OUTLDO2
= 100礎; T
J
 = 25癈, bold values indicate 40癈 <
 T
J
 <
 +125癈; unless noted.
Parameter
Conditions
Min    Typ    Max    Units
UVLO Threshold
Rising input voltage during turn-on
2.45   2.55    2.65     V 
UVLO Hysteresis
 
     100          mV 
Ground Pin Current
 
V
FB
 = GND (not switching);
 
LDO2 Only (EN1 = LOW)
     800
 
55
1100
 
85 
95
 
Ground Pin Current in
Shutdown
All EN = 0V
     0.2     5     礎
Ground Pin Current
(LOWQ mode)
I
DC/DC
 <
I
LDO1
 <
 I
LDO2
 <
 10mA
 
DC/DC and LDO1 OFF; I
LDO2
 <
 10mA
     30
 
20
60
80
70
Over-temperature Shutdown    
     160     
Over-temperature Shutdown
Hysteresis
 
     23     
Enable Inputs (EN1; EN2; /LOWQ ) 
Logic Low
 
     0.2     V
Enable Input Voltage
Logic High
1.0      
 
V
V
IL
 <
 0.2V
     0.1     1     礎
Enable Input Current
V
IH
 >
 1.0V
     0.1     1     礎
Turn-on Time (See Timing Diagram) 
Turn-on Time
(LDO1 and LDO2)
EN2=V
IN
 
EN1=V
IN
 
     240 
120
500
350
Turn-on Time (DC/DC)
EN2=V
IN
; I
LOAD
 = 300mA; C
BYP
 = 0.1礔
     83    350     ?/SPAN>s 
POR Output
Low Threshold, % of nominal (V
DC/DC
 or V
LDO1
or V
LDO2
)
(Flag ON)
90    91      
%
VTH
 
High Threshold, % of nominal (V
DC/DC
 AND V
LDO1
 AND
V
LDO2
) (Flag OFF)
     96     99     %
VOL
POR Output Logic Low Voltage; IL = 250礎
     10    100    mV
IPOR
Flag Leakage Current, Flag OFF
     0.01     1     ?/SPAN>A 
SET INPUT
SET Pin Current Source
VSET = 0V
0.75   1.25    1.75    礎
SET Pin Threshold Voltage     POR = High
     1.25     
V
 
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