參數(shù)資料
型號(hào): TPS2392DBT
廠商: Texas Instruments, Inc.
英文描述: Utillity Helmet with Headband; RoHS Compliant: NA
中文描述: 全功能- 48 - V熱風(fēng)全系統(tǒng)電源管理器
文件頁(yè)數(shù): 15/31頁(yè)
文件大小: 373K
代理商: TPS2392DBT
SLUS536C AUGUST 2002 REVISED AUGUST 2004
www.ti.com
15
DETAILED DESCRIPTION
+
+
H=CLOSED
+
L=CLOSED
S
Q
Q
R
+
+
+
LCA
+
H=CLOSED
+
S
Q
Q
R
12
13
1.35V
5V
FLT
EN_A
VLIM
4
9
10
6
8
1.4V
5
14
1
3
2
7
100 mV
VLIM
EN_A
11
IRAMP
RAMP
GENERATOR
FAULT
TIMER
OVERLOAD
OVERCURRENT
DRAINSNS
FLTTIME
ISENS
GATE
INSA
UVLO
OVLO
EN
VIN
INSB
S
R
FT
ON
EN
OC
OL
RTN
+
OLC
FLT
UDG02116
PG
FAULT
10
μ
A
10
μ
A
10
μ
A
10
μ
A
10
μ
A
10
μ
A
Figure 24. Block Diagram of PW Package
Under normal load and input supply conditions, this controlled current charges the module’s input bulk capacitance
up to the input dc voltage level. At this point, the load demand drops off, and the voltage at ISENS decreases. The
LCA now drives the GATE output to its supply rail. The 14-V typical output level ensures sufficient overdrive to fully
enhance the external FET, while not exceeding the typical 20-V V
GS
rating of common N-channel power MOSFETs.
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