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STPMIC25 데이터시트(PDF) 16 Page - STMicroelectronics

부품명 STPMIC25
상세설명  Highly integrated power management IC for microprocessor units
PDF  145 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STPMIC25 데이터시트(HTML) 16 Page - STMicroelectronics

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Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
tSDLDO-SS
Shutdown duration
Pull-down enabled,
VLDOOUT = VREFDDR to VLDOOUT = 0.2 V, ILDOOUT = no
load
1.5
ms
LDO3 bypass mode (lpDDR VDD1 supply)
VLDOIN = 1.8 V, VLDOOUT = ~1.8 V, Tj = -40 °C to +125 °C, recommended BOM, unless otherwise specified
VLDOIN-BP
Input voltage range
1.7
2
V
ILDOOUT-BP
Continuous output current
1.7 V < VLDOIN < 2 V
(no overcurrent protection in bypass mode TBV)
80
mA
RDSONLDO-BP
Bypass on resistance
1.7 V < VLDOIN < 2 V, ILDOOUT = 40 mA
360
mΩ
tSSLDO-BP
Soft-start duration
1.7 V < VLDOIN < 2 V, 0 < ILDOOUT < 1 mA
COUT = 4.7 µF,
100
µs
tSDLDO-BP
Shutdown duration
Pull-down enabled, VLDOOUT = 1.8 V to VLDOOUT = 0.2 V,
ILDOOUT = no load
1.5
ms
3.4.7
LDO4
Table 13. Electrical and timing parameter specifications (LDO4)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
LDO4
VLDOIN
Main input voltage range
VLDOIN from VIN or VBUS pins
2.8
5.5
V
VLDOOUT-ACC Output voltage accuracy
VLDOIN = 3.6 V to 5.0 V
100 µA < ILDOOUT < 30 mA
3.23 3.3
3.40
ILDOLIM
Output current limitation
VLDOIN = 3.6 V to 5.5 V
40
80
mA
ILDOQ
Quiescent current
ILDOOUT = 0 mA
20
25
µA
VLDODROP
Dropout voltage from VIN
pin
ILDOOUT = 30 mA
45
90
mV
VLDOOUT-LO Load transient regulation ILDOOUT = 1 to 30 mA, tR = tF = 1 µs
40
VLDOOUT-LI
Line transient regulation
VIN = 3.6 V, VBUS = from 0 V to 5 V (internal mux), ILDOOUT = 10 mA
10
PSRRLDO
Power supply rejection
ratio
ΔVLDOIN = 300 mVPP, f = [0.1:20] kHz, Tj = 25 °C, ILDOOUT = 25 mA
55
dB
ΔVLDOIN = 300 mVPP, f = [20:100] kHz, Tj = 25 °C, ILDOOUT = 25 mA
40
tSSLDO
Soft-start duration
3.6 V < VLDOIN < 5.5 V, 0 < ILDOOUT < 1 mA, COUT = 4.7 µF
100
µs
VLDOOUT-SO Startup overshoot
3.6 V < VLDOIN < 5.5 V, ILDOOUT < 10 µA
1
%
tSDLDO
Shutdown duration
Pull-down enabled, VLDOOUT = 3.3 V to VLDOOUT = 0.2 V, ILDOOUT = no
load
1.5
ms
STPMIC25
Electrical and timing characteristics
DS14278 - Rev 3
page 16/145



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