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DA9220 데이터시트(PDF) 11 Page - Dialog Semiconductor

부품명 DA9220
상세설명  High-Performance Dual-Channel DC-DC Converter
PDF  62 Pages
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DA9220
High-Performance Dual-Channel DC-DC Converter
Datasheet
Revision 2.1
17-Sep-2020
CFR0011-120-00
11 of 62
© 2020 Dialog Semiconductor
Parameter
Description
Conditions
Min
Typ
Max
Unit
tON_MIN
Minimum turn-on pulse
0 % duty is also supported
20
ns
tBUCK_EN
Turn-on time
CHx_EN = high
20
μs
RPD
Output pull-down resistance
for each phase at the LX
node, see CHx_PD_DIS
VIN = 3.7 V
VOUT = 0.5 V
100
150
200
Ω
RON_PMOS
On resistance of switching
PMOS, per phase
VIN = 3.7 V
36
mΩ
RON_NMOS
On resistance of switching
NMOS, per phase
VIN = 3.7 V
17
mΩ
AUTO Mode
VOUT_TR_LD_1
PH
Load transient response
1-phase
VOUT = 1 V
IOUT = 0 A to 5 A
dl/dt = 10
A/μs
±5
%
PFM Mode
IQ_PFM_1PH
Quiescent current in PFM
1-phase
VIN = 3.7 V
No load
No switching
88
μA
Note 1
tON > 40 ns
3.6
Performance and Supervision Characteristics
Table 9: Electrical Characteristics
Parameter
Description
Conditions
Min
Typ
Max
Unit
Electrical Performance
VTHR_POR
Power-on-reset threshold
Threshold for AVDD falling
2.1
2.25
V
VTHR_POR_HY
S
Power-on-reset hysteresis
200
mV
TWARN
Thermal warning
temperature threshold
115
125
135
°C
TCRIT
Thermal shutdown
temperature threshold
130
140
150
°C
IIN_OFF
Supply current
OFF state
TA = 27 °C
IC_EN = 0
0.1
1
μA



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