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UPD16855BG 데이터시트 PDF




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부품번호 UPD16855BG 기능
기능 DUAL HIGH-SIDE SWITCH FOR USB APPLICATION
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UPD16855BG 데이터시트, 핀배열, 회로
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD16855A/B/C/D
DUAL HIGH-SIDE SWITCH FOR USB APPLICATION
DESCRIPTION
This product is the power switch IC with over current limit, used for the power supply bus of the Universal-Serial-
Bus (USB).
2 circuit builds in the Pch power MOSFET in the switch part, and this product realizes low on resistance (100 m
TYP.) respectively.
And the over current detection, the thermal-shutdown circuit, an under voltage locked-out (UVLO) circuit whose
functions are necessary in the Host/HUB-controller of the USB standard are built in.
And the over-current-detect result can be reported to the controller by flag-pin.
This product builds in each two circuits of the power switch, control-pins and flag-pins, and this IC can be able to
control the power supply bus in 2 USB port.
There are four kinds of this product by the input logic of the control signal and switch operation in over-current
detect.
FEATURES
• Pch power MOSFET, 2 circuit building in
• Over-current detection circuit is built in and its result is outputted from flag-pin (“L” active)
• Prevent from dropping power supply by over current limit circuit
• Thermal shutdown circuit building in
• Under Voltage Locked Out (UVLO) circuit building in
• Switch on/off control is possible by the control-pin.
• 8 pin DIP/SOP package
ORDERING INFORMATION
PART NO.
µPD16855BC
PACKAGE
8-pin plastic DIP (300mil)
µPD16855AG
µPD16855BG
µPD16855CG
µPD16855DG
8-pin plastic SOP (225mil)
8-pin plastic SOP (225mil)
8-pin plastic SOP (225mil)
8-pin plastic SOP (225mil)
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S13020EJ1V0DS00 (1st edition)
Date Published February 1999 N CP(K)
Printed in Japan
©
1998




UPD16855BG pdf, 반도체, 판매, 대치품
µPD16855
PIN CONFIGURATION (H:Hi-level, L:Low-level, ON:output ON state, OFF:output OFF state, X:H or L)
µPD16855AG (Active-H)
CTL1
H
H
L
L
H
H
X
X
FLG1
H
H
H
H
L
H
L
L
OUT1
ON
ON
OFF
OFF
ON
ON
OFF
OFF
CTL2
H
L
H
L
H
H
X
X
FLG2
H
H
H
H
H
L
L
L
OUT2
ON
OFF
ON
OFF
ON
ON
OFF
OFF
Operating mode
normal mode
only OUT1 is ON
only OUT2 is ON
standby mode
only OUT1 is over-current detect
only OUT2 is over-current detect
TSD mode
UVLO mode
µPD16855BC/BG (Active-L)
CTL1
L
L
H
H
L
L
X
X
FLG1
H
H
H
H
L
H
L
L
OUT1
ON
ON
OFF
OFF
ON
ON
OFF
OFF
CTL2
L
H
L
H
L
L
X
X
FLG2
H
H
H
H
H
L
L
L
OUT2
ON
OFF
ON
OFF
ON
ON
OFF
OFF
Operating mode
normal mode
only OUT1 is ON
only OUT2 is ON
standby mode
only OUT1 is over-current detect
only OUT2 is over-current detect
TSD mode
UVLO mode
4 Data Sheet S13020EJ1V0DS00

4페이지










UPD16855BG 전자부품, 판매, 대치품
µPD16855
ELECTRICAL CHARACTERISTICS
DC CHARACTERISTICS (Unless otherwise specified, VIN = +5V; TA = +25°C)
Parameter
Circuit Current
(only µPD16855A/C)
Circuit Current
(only µPD16855B/D)
Low-level Input Voltage
High-level Input Voltage
Input Current of CTL pin
Output MOSFET On Resistance
Output Leak Current
Over Current Detect Threshold
Flag Output Resistance
Flag Leak Current
Operating Voltage of
Under Voltage Locked Out
Circuit
Symbol
IDD
IDD
VIL
VIH
ICTL
RON
IO LEAK
ITH
RON F
IO LEAK F
VUVLO
Conditions
VCTL = 0V (both 1 pin & 4 pin),
OUT = open
VCTL = VIN, OUT = open
VCTL = VIN (both 1 pin & 4 pin),
OUT = open
VCTL = 0V, OUT = open
CTL Pin
CTL Pin
VCTL = 0V
VCTL = VIN
TA = 0 to +70 °C,
IOUT = 500 mA
DIP
SOP
TA = 0 to +70 °C
IL = 10 mA
VFLAG = 5 V
VIN : Up
VIN : Down
Hysteresis
Min Typ Max
15
1 1.5
15
1 1.5
1.0
2.0
0.01 1
0.01 1
100 140
100 130
10
0.6 0.9 1.25
10 25
0.01 1
3.2 3.5 3.7
3.0 3.3 3.5
0.1 0.2 0.3
Unit
µA
mA
µA
mA
V
V
µA
µA
m
µA
A
µA
V
V
V
AC CHARACTERISTICS (Unless otherwise specified, VIN = +5 V; TA = +25 °C)
Parameter
Output Transition
Rising Time
Output Transition
Falling Time
Over Current Detect
Delay Time
CTL Input Low-Level Time
(only µPD16855A/C)
CTL Input High-Level Time
(only µPD16855B/D)
Symbol
tRISE
Conditions
RL = 10 each output
tFALL RL = 10 each output
tOVER
tCTL CTL : HLH
tCTL CTL : LHL
Min Typ Max
2.5 12
10
5 20
20
20
Unit
ms
µs
µs
µs
µs
Data Sheet S13020EJ1V0DS00
7

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