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STW41412 датащи(PDF) 9 Page - STMicroelectronics

номер детали STW41412
подробное описание детали  Single-coil dual-output step-down DC/DC converter for digital base band and multimedia processor supply
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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STw4141
Electrical characteristics
9/30
2.3
DC electrical characteristics
Characteristics measured over recommended operating conditions unless otherwise is
noted.
All typical values are referred to TA = 25°C, PVDD = 3.6V, VDD = 3.6V.
Table 4.
DC electrical characteristics
Symbol
Parameter
Test Conditions
Min.
Typ
Max.
Unit
PVDD
Power supply voltage
2.7
5.5
V
ILIM
Peak current limit
1.6
A
VOUT1
(1)
Output voltage 1(2)
-3
+3
%
VOUT2
Output voltage 2(2)
VSEL = VDD,
MODE/SYNC = VDD
-3
+3
%
Output voltage 2(2)
VSEL = GND,
MODE/SYNC = VDD
-3
+3
%
IOUT1
Output current 1
200
mA
IOUT2
Output current 2
400
mA
Iq
Quiescent current
(PWM)
IOUT1 = 0 mA, IOUT2 = 0 mA
EN = VDD, VSEL = VDD
MODE/SYNC = VDD,
AUTO = GND
600
µA
Quiescent current
(PFM)
IOUT1 = 0 mA, IOUT2 = 0 mA
EN = VDD, VSEL = VDD
MODE/SYNC = GND,
AUTO = GND
90
µA
Shutdown current
EN = GND,
VSEL = GND
MODE/SYNC = GND,
AUTO = GND
15
µA
Enable functions
VENH
Enable threshold high
0.9
V
VENL
Enable threshold low
0.4
V
Mode/sync functions
VM/SH
MODE/SYNC
threshold high
0.9
V
VM/SL
MODE/SYNC
threshold low
0.4
V
VSEL functions
VSELH
Voltage selection
threshold high
0.9
V
VSELL
Voltage selection
threshold low
0.4
V


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