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HM1480 데이터시트(HTML) 3 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

부품명 HM1480
상세내용  Input range synchronous buck controller
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제조사  HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]
홈페이지  http://www.hmsemi.com/
Logo HMSEMI - Shenzhen Huazhimei Semiconductor Co., Ltd

HM1480 데이터시트(HTML) 3 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

  HM1480 데이터시트 HTML 1Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1480 데이터시트 HTML 2Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1480 데이터시트 HTML 3Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1480 데이터시트 HTML 4Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1480 데이터시트 HTML 5Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1480 데이터시트 HTML 6Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1480 데이터시트 HTML 7Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1480 데이터시트 HTML 8Page - Shenzhen Huazhimei Semiconductor Co., Ltd HM1480 데이터시트 HTML 9Page - Shenzhen Huazhimei Semiconductor Co., Ltd Next Button
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3
P
Piin
n F
Fu
un
nccttiio
on
nss
GND (Pin 1): Ground Pin.
CS (Pin 2): Current or voltage sense pin of VOUT. If SEN is larger than the sense voltage, the HM1480
will shut down for protection. The output current is programmed by connecting resistors, R1, R2.
The output current is set:
I
100mv/ R1 R2 R1
R2
FB (Pin 3): Feedback Pin. Receive the feedback voltage from an external resistive divider across the
output. The output voltage is set by R3 and R4: VOUT = 1.21V • [1 + (R3 / R4)].
VIN (Pin 4): Main power supply Pin.
SW (Pin 5, 6, 7, 8): Switch Node.
B
Bllo
occkk D
Diia
ag
grra
am
m
Control
Logic
+
_
+
_
3
Current
Sensor1
2
Cable
COMP
_
RAMP
OTP
VCC
UVLO
1
4
Reference
Generator
0.51V
1.84V
0.10V
FB
CS
VIN
SW
GND
Error
Amp.
+
_
Vref
5
6
7
8
DrvP
DrvN
Driver
Driver
GND
VIN


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