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DA6021 Datasheet(PDF) 93 Page - Renesas Technology Corp

Part # DA6021
Description  HIGHLY INTEGRATED POWER MANAGEMENT IC FOR INTEL® ATOM™ Z3000 PROCESSOR
PDF  225 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

DA6021 Datasheet(HTML) 93 Page - Renesas Technology Corp

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DA6021
HIGHLY INTEGRATED POWER MANAGEMENT IC FOR
INTEL® ATOM™ Z3000 PROCESSOR
Company Confidential
Data Sheet
Version 3.A - Final
31-Jan-14
© 2014 Dialog Semiconductor GmbH
93 of 224
www.dialog-semiconductor.com
11.6.5.2
Electrical Characteristics V1P8A
PARAMETER
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
ATE
test
V1P8A_VIN
Input Voltage
2.7
4.5
V
-
Cin
at V1P8A_IN
4.7
µF
-
Cout
2 x 22
µF
-
ESR of output capacitor
6 @ 22µF
mΩ
-
ESL of output capacitor
1.6 @ 3MHz
nH
-
L_BUCK
inductor value
-20%
0.47
+20%
μH
-
L_DCR
inductor resistance
48
mΩ
-
V1P0A
Output Voltage
IOUT= Imax
1.817
2%
V
A
F_BUCK
Frequency of operation
3
MHz
A
Transient load profile
0-861mA
250
ns
-
Transient droop
13
0-861mA
73
mV
E
Transient overshoot
14
861-0mA
73
mV
E
Ton
Turn on time
2
ms
E
Rpd
Discharge impedance
Vout .. 0V
20
Ω
A
IQ_ON
Quiescent Current in
On Mode
50
µA
E
Normal Mode
– Synchronous rectification (PWM)
Maximum Output Current (Imax)
1627
mA
D
ILIMIT
Current limitation
Cycle by cycle
1.3*Imax
mA
A*
Efficiency at VSYS = 3.7V & Tamb=60°C
with proposed external components and
PCB layout
See Figure 37
D,E,
A*
15
Sleep Mode
– Pulse skipping (PSK)
Efficiency at VSYS = 3.7V & Tamb=60°C
with proposed external components and
PCB layout
See Figure 37
D,E,
A*
Table 47: Electrical Parameter for BUCK_V1P8A
Figure 37: V1P8A Efficiency
13 Including DC accuracy, ripple and load regulation
14 Including DC accuracy, ripple and load regulation
15 RDSON measurement on ATE
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
0,0
0,5
1,0
1,5
2,0
Output Current [A]
V1P8A Efficiency vs. output current, Vin = 3.7V, Vout = 1.80V, Auto Mode
Vin = 3.7V



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