参数资料
型号: MIC2810-1.2/1.8/2.6YML
厂商: MICREL INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16
封装: 3 X 3 MM, MLF-16
文件页数: 13/18页
文件大小: 508K
代理商: MIC2810-1.2/1.8/2.6YML
Micrel, Inc.
MIC2810
April 2007
4
M9999-041107-B
Absolute Maximum Ratings(1)
Supply Voltage (VIN, VIN1, VIN2)............................... 0V to 6V
Enable Input Voltage (VEN, VEN1, VEN2)................... 0V to VIN
Power Dissipation .................................. Internally Limited
(3)
Lead Temperature (soldering, 10 sec.)...................... 260°C
Storage Temperature (Ts) .........................–65°C to +150°C
ESD Rating
(4).................................................................. 2kV
Operating Ratings(2)
Supply Voltage (VIN, VIN2)................................. 2.7V to 5.5V
Supply Voltage (VIN1)...................................... 1.65V to 5.5V
Enable Input Voltage (VEN, VEN1, VEN2)................... 0V to VIN
Junction Temperature (TJ) ........................–40°C to +125°C
Junction Thermal Resistance
MLF-16 (θJA) ......................................................56°C/W
Electrical Characteristics(5)
VIN = VIN1 = VIN2 = EN1 = EN2 = EN = /LOWQ = VOUT
(6) + 1V; C
OUTDC/DC = 2.2F, CLDO1 = CLDO2 = 2.2F; IOUTDC/DC = 100mA;
IOUTLDO1 = IOUTLDO2 = 100A; TJ = 25°C, bold values indicate –40°C < TJ < +125°C; 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
VFB = GND (not switching);
LDO1 or LDO2 (EN = GND; EN1 or EN2 = GND)
800
55
1100
85
95
A
Ground Pin Current in
Shutdown
EN = EN1 = EN2 = 0V
0.2
5
A
Ground Pin Current
(LOWQ
mode)
IDC/DC < ILDO1 < ILDO2 < 10mA (/LOWQ = GND)
LDO1 or LDO2 (EN = GND; EN1 or EN2 = GND);
IOUT < 10mA (/LOWQ = GND)
38
20
60
80
70
A
Over-temperature Shutdown
160
°C
Over-temperature Shutdown
Hysteresis
23
°C
Enable Inputs (EN; EN1; EN2; /LOWQ )
Logic Low
0.2
V
Enable Input Voltage
Logic High
1.0
V
VIL < 0.2V
0.1
1
A
Enable Input Current
VIH > 1.0V
0.1
1
A
Turn-on Time
Turn-on Time
(LDO1 and LDO2)
240
500
s
Turn-on Time (DC/DC)
(/LOWQ = VIN; ILOAD = 300mA); (/LOWQ = GND; ILOAD =
10mA)
83
350
s
POR Output
Low Threshold, % of nominal (VDC/DC or VLDO1 or VLDO2) (Flag
ON)
90
91
%
VTH
High Threshold, % of nominal (VDC/DC AND VLDO1 AND
VLDO2) (Flag OFF)
96
99
%
VOL
POR Output Logic Low Voltage; IL = 250A
10
100
mV
IPOR
Flag Leakage Current, Flag OFF
0.01
1
A
SET INPUT
SET Pin Current Source
VSET = 0V
0.75
1.25
1.75
A
SET Pin Threshold Voltage
POR = High
1.25
V
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