參數(shù)資料
型號: 934056343127
廠商: NXP SEMICONDUCTORS
元件分類: 外設(shè)及接口
英文描述: 18 A BUF OR INV BASED PRPHL DRVR, PZFM5
封裝: PLASTIC, TO-220, SOT-263B-01, 5 PIN
文件頁數(shù): 10/16頁
文件大小: 412K
代理商: 934056343127
Philips Semiconductors
BUK208-50Y; BUK213-50Y
Single channel high-side TOPFET
Product data
Rev. 02 — 06 June 2002
3 of 16
9397 750 09384
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
3.
Block diagram
4.
Functional description
[1]
The status will continue to indicate OT (even if the input goes LOW) until the device cools below the reset threshold.
See “Overtemperature protection” characteristics in Table 6.
Fig 4.
Elements of the high-side TOPFET switch.
03pa33
RG
input
CONTROL
LOGIC
UNDERVOLTAGE
PROTECTION
OVERVOLTAGE
PROTECTION
LOW CURRENT
DETECT
TEMPERATURE
SENSOR
SHORT CIRCUIT
PROTECTION
CURRENT LIMIT
POWER
MOSFET
load
5
battery
3/mb
CHARGE PUMP
VOLTAGE REGULATOR
2
ground
1
status
4
Table 3:
Truth table
Abbreviations: L = logic LOW; H = logic HIGH; X = don’t care; 0 = condition not present; 1 = condition present;
UV = undervoltage; OV = overvoltage; LC = low current or open circuit load; SC = short circuit; OT = overtemperature [1].
Input
Supply
Load
output
Status
Operating mode
UV
OV
LC
SC
OT
L
XXXXX
OFF
H
off
H
00000
ON
H
on & normal
H
00100
ON
L
on & low current detect
H
1
0
X
OFF
H
supply undervoltage lockout
H
0
1
X
0
OFF
H
supply overvoltage shutdown
H
0001
X
OFF
L
SC tripped
H
00001
OFF
L
OT shutdown
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