TLE6389_07 Datasheet, PDF (1/38 Pages) Infineon Technologies AG – Step-Down DC/DC Controller

Step-Down DC/DC Controller
TLE 6389
1
Overview
1.1
Features
• Input voltage range from < 5V up to 60V
• Output voltage: 5V fixed or adjustable (7V to 15V)
• Output voltage accuracy: 3%
• Output current up to 2.3A
• 100% maximum duty cycle
• Less than 120µA quiescent current at low loads¹⁾
• 2µA max. shutdown current at device off (TLE 6389-2 GV)
• Fixed 360kHz switching frequency
• Frequency synchronization input for external clocks
• Current Mode control scheme
• Integrated output under voltage Reset circuit
• On chip low battery detector (on chip comparator)
• Automotive temperature range -40°C to 150 °C
• Green Product (RoHS compliant)
• AEC qualified
1) _{dependend on external components}
P DSO 14 3 8 9 11 1
V_IN
R_SENSE=
47mΩ
M1
L₁ = 47 µH
V _OUT
I_OUT
C_IN1=
100 µF
C_BDS=
220 nF
C_OUT =
D1
100 µF
R_SI1=
400kΩ
R_SI2=
100kΩ
C_IN2 =
220nF
11
14
12
2
13 ^BDS
VS
7 _SI
CS
GDRV _FB
3
VOUT
9
TLE6389-3 GV50
SO
8
COMP
SI_GND SI_ENABLE
6
1
SYNC GND RO
5
4
10
2.2nF 680Ω
ON OFF
M1: Infineon BSO613SPV
Infineon BSP613P
D1: Motorola MBRD360
L1: EPCOS B82479-A1473-M
Coilcraft DO3340P-473
C_IN1: Electrolythic
C_IN2: Ceramic
C_OUT: Low ESR Tantalum
Type
TLE 6389-2 GV
TLE 6389-2 GV50
TLE 6389-3 GV50
Datasheet Rev. 2.1
Package
PG-DSO-14-1
PG-DSO-14-1
PG-DSO-14-1
1
Description
adjustable
5V, RO-Hysteresis <<
5V, RO-Hysteresis 1V
2007-08-13