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ADP2140 Datasheet(PDF) 13 Page - Analog Devices

Part # ADP2140
Description  3 MHz, 600 mA, Low Quiescent Current Buck with 300 mA LDO Regulator
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP2140 Datasheet(HTML) 13 Page - Analog Devices

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Data Sheet
ADP2140
Rev. B | Page 13 of 32
VIN1 = 4 V, VOUT = 1.8 V, IOUT = 10 mA, CIN = COUT = 10 µF, TA = 25°C, unless otherwise noted.
CH1 500mA
CH2 1.00V
CH4 5.00V
M40.0µs
A CH4
2.30V
T 10.00%
CH3 5.00V
1
2
3
4
T
OUTPUT VOLTAGE
SWITCH NODE
INDUCTOR CURRENT
ENABLE 1
Figure 40. Startup, VOUT = 1.2 V, 600 mA
CH1 1.00V
CH2 1.00V
CH4 5.00V
M2.00ms
A CH4
2.30V
T 10.00%
CH3 5.00V
1
2
3
4
T
LDO OUTPUT
PG SIGNAL
BUCK OUTPUT
ENABLE 1
Figure 41. Startup, Autosequence Mode, VOUT = 1.8 V, VOUT2 = 1.2 V



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