參數(shù)資料
型號: LM3370TLX-2613/NOPB
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩(wěn)壓器
英文描述: 1.4 A DUAL SWITCHING CONTROLLER, 2400 kHz SWITCHING FREQ-MAX, PBGA20
封裝: 3 X 2 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, , MO-211DG, MICRO, SMD-20
文件頁數(shù): 21/26頁
文件大小: 5436K
代理商: LM3370TLX-2613/NOPB
Micro SMD Connection Diagram and Package Marking Information
20167379
Pin Descriptions (micro SMD)
Pin #
Name
Description
A1
SW1
Buck 1 Switch Pin
A2
V
IN1
Power supply voltage input to PFET and NFET switches for Buck 1
A3
SGND
Signal GND
A4
FB1
Analog Feedback Input for Buck 1
B1
PGND1
Buck 1 Power Ground
B2
PGND1_S
Buck 1 Power Ground Sense
B3
SDA
I2C-Compatible Data, a 2 k
pullup resistor is required
B4
SCL
I2C-Compatible Clock, a 2 k
pullup resistor is required
C1
V
DD
Signal supply voltage input, V
DD must be equal or greater of the two inputs ( VIN1 & VIN2)
C2
SGND
Signal GND
C3
nPOR1
Power ON Reset for Buck 1, Open drain output Low when Buck 1 output is 92% of target
output. A 100 k
pullup resistor is required
C4
nPOR2
Power ON Reset for Buck 2, Open drain output Low when Buck 2 output is 92% of target
output. A 100 k
pullup resistor is required
D1
PGND2
Buck 2 Power Ground
D2
PGND2_S
Buck 2 Power Ground Sense
D3
EN2
Buck 2 Enable
D4
EN1
Buck 1 Enable
E1
SW2
Buck 2 Switch Pin
E2
V
IN2
Power supply voltage input to PFET and NFET switches for Buck 2
E3
SGND
Signal GND
E4
FB2
Analog feedback for Buck 2
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