STW4141 STMicroelectronics, STW4141 Datasheet - Page 10

• Manufacturer Part Number: STW4141
• Description: Single Coil Dual Output Step Down Dc/dc Converter For Digital Base Band And Multimedia Processor Supply
• Manufacturer: STMicroelectronics

Electrical characteristics
Table 4.
1.
2. Output voltage accuracy excludes line and load transients
2.4
Table 5.
10/30
Auto functions
V
V
State functions
V
V
f
f
Ts
TS2
SW
SYNC
Symbol
Symbol
AUTO
AUTO
STATE
STATE
VOUT1 VOUT2
H
L
H
L
Voltage selection
threshold high
Voltage selection
threshold low
Voltage selection
threshold high
Voltage selection
threshold low
Switching frequency
Sync mode frequency
Settling time (soft start)
Settling time
V
≥
OUT2
DC electrical characteristics (continued)
Dynamic electrical characteristics
Characteristics measured over recommended operating conditions unless otherwise is
noted.
All typical values are referred to T
Dynamic electrical characteristics
Parameter
Parameter
(reduced)/V
. This condition must always be valid.
OUT2
R
R
VSEL change from GND to VDD
Lmax
Lmax
= 100k, C
= 100k, C
Test Conditions
Test Conditions
A
= 25°C, PVDD = 3.6V, VDD = 3.6V.
Lmax
Lmax
= 10pF
= 10pF
0.7V
Min.
Min.
600
0.9
OUT1
Typ
900
400
Typ
80
0.3 V
Max.
1500
Max.
0.4
OUT1
STw4141
Unit
kHz
kHz
Unit
µs
µs
V
V
V
V