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MAX8621Y データシート(Datasheet) 4 Page - Maxim Integrated Products

部品番号. MAX8621Y
部品情報  Dual Step-Down DC-DC Power-Management ICs for Portable Devices
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メーカー  MAXIM [Maxim Integrated Products]
ホームページ  http://www.maxim-ic.com
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 4 page
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Dual Step-Down DC-DC Power-Management ICs
for Portable Devices
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 3.7V, CIN1 = 10µF, CIN2 = CIN3 = 4.7µF, COUT1 = COUT2 = 4.7µF, COUT3 = COUT4 = 2.2µF, CREFBP = 0.01µF, TA = -40°C to
+85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Notes 1, 2)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
OUT1 (LDO1)
TA = 0°C to +85°C
-1.3
+0.6
+2.0
ILOAD = 1mA, 3.7V
≤ VIN ≤ 5.5V,
relative to VOUT(NOM)
TA = -40°C to +85°C
-2.3
+2.5
Output Voltage Accuracy
ILOAD = 150mA, relative to VOUT(NOM)
0
%
Output Current
300
mA
Current Limit
VOUT1 = 0V
310
550
940
mA
Dropout Voltage
ILOAD = 200mA, TA = +85°C
200
420
mV
Load Regulation
VIN = greater of 3.7V or (VOUT(NOM) + 0.7V),
1mA < ILOAD < 300mA, VSEL1 = VSEL2 = 0V
1.2
%
Power-Supply Rejection
ΔVOUT1/ΔVIN2
10Hz to 10kHz, COUT1 = 4.7µF, ILOAD = 30mA
60
dB
Output Noise Voltage (RMS)
100Hz to 100kHz, COUT1 = 4.7µF, ILOAD = 30mA
45
µVRMS
0 < ILOAD < 300mA
4.7
Output Capacitor for Stable
Operation
0 < ILOAD < 150mA
2.2
µF
Ground Current
ILOAD = 500µA
21
µA
OUT2 (LDO2)
TA = 0°C to +85°C
-1.3
+0.6
+2.0
ILOAD = 1mA, 3.7V
≤ VIN_≤ 5.5V,
relative to VOUT(NOM)
TA = -40°C to +85°C
-2.3
+2.5
Output Voltage Accuracy
ILOAD = 150mA, relative to VOUT(NOM)
0
%
Output Current
300
mA
Current Limit
VOUT2 = 0V
310
550
940
mA
Dropout Voltage
ILOAD = 200mA , TA = +85°C
200
420
mV
Load Regulation
1mA < ILOAD < 300mA, VSEL1 = VSEL2 = 0V
1.2
%
Power-Supply Rejection
ΔVOUT2/ΔVIN2
10Hz to 10kHz, COUT2 = 4.7µF, ILOAD = 30mA
60
dB
Output Noise Voltage (RMS)
100Hz to 100kHz, COUT2 = 4.7µF, ILOAD = 30mA
45
µVRMS
0 < ILOAD < 300mA
4.7
Output Capacitor for Stable
Operation
0 < ILOAD < 150mA
2.2
µF
Ground Current
ILOAD = 500µA
21
µA
OUT3 (LDO3)
TA = 0°C to +85°C
-1.3
+0.3
+2.0
ILOAD = 1mA, 3.7V
≤ VIN_ ≤ 5.5V,
relative to VOUT(NOM)
TA = -40°C to +85°C
-2.3
+2.5
Output Voltage Accuracy
ILOAD = 75mA, relative to VOUT(NOM)
0
%
Output Current
150
mA
Current Limit
VOUT3 = 0V
165
360
650
mA
Dropout Voltage
ILOAD = 100mA , TA = +85°C
100
210
mV
Load Regulation
1mA < ILOAD < 150mA, VSEL1 = VSEL2 = 0V
0.6
%




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