參數(shù)資料
型號(hào): LTC4416IMS-1
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 36V, Low Loss Dual PowerPath Controllers for Large PFETs
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝: PLASTIC, MSOP-10
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 201K
代理商: LTC4416IMS-1
LTC4416/LTC4416-1
4416fa
BLOCK DIAGRA
W
V
REF
E2
4
V2
7
+
V
REF
E1
2
GND
3
V
S
8
V1
9
+
A2
C2
RAIL2
RAIL1
SECOND
ANALOG
CONTROLLER
BAND-GAP
REFERENCE
IG(SRC)
IG(OFF)
IG2
8.5V
G2
H2
IG(SNK)
IGFON(SNK)
6
A1
FIRST
ANALOG
CONTROLLER
IG(SRC)
IG(OFF)
8.5V
G1
IG(SNK)
VREF
RAILBG
IGFON(SNK)
10
4416 BD
5
H1
1
EN2
EN2
EN1
EN1
EN2
EN1
C1
IG1
Operation can best be understood by referring to the
Block Diagram which illustrates the internal circuit blocks.
The LTC4416/LTC4416-1 are divided into three sections,
namely:
1. The channel 1 controller consisting of A1, C1, the “first
analog contoller,” the G1 drivers and the H1 output
driver.
2. The band-gap reference
3. The channel 2 controller consisting of A2, C2, the
“second analog controller,” the G2 drivers and the H2
output driver.
Each of the three sections has its own derived internal
power supply referred to as a rail. RAIL1 provides power
to the channel 1 controller. RAIL2 provides power to the
channel 2 controller. The internal RAILBG provides power
to the band-gap reference. The internal rail1 derives its
power from the higher voltage of V1 and V
S
. The internal
rail2 derives its power from the higher voltage of V2 and
V
S
. RAILBG derives its power from the highest voltage of
V1, V2, and V
S
. All three sections share a common ground
connected to the GND pin.
OPERATIOU
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