BUK213-50Y Datasheet, PDF (3/16 Pages) NXP Semiconductors – Single channel high-side TOPFET

Philips Semiconductors
3. Block diagram
BUK208-50Y; BUK213-50Y
Single channel high-side TOPFET™
status
4
input
2
VOLTAGE REGULATOR
CHARGE PUMP
CONTROL
LOGIC
SHORT CIRCUIT
PROTECTION
OVERVOLTAGE
PROTECTION
UNDERVOLTAGE
PROTECTION
LOW CURRENT
DETECT
TEMPERATURE
SENSOR
CURRENT LIMIT
battery _3/mb
POWER
MOSFET
load
5
ground
1
03pa33
RG
Fig 4. Elements of the high-side TOPFET switch.
4. Functional description
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
Load Status Operating mode
UV
OV
LC
SC
OT
output
L
X
X
X
X
X
OFF
H off
H
0
0
0
0
0
ON
H on & normal
H
0
0
1
0
0
ON
L on & low current detect
H
1
0
X
X
X
OFF
H supply undervoltage lockout
H
0
1
X
0
0
OFF
H supply overvoltage shutdown
H
0
0
0
1
X
OFF
L SC tripped
H
0
0
0
0
1
OFF
L OT shutdown
[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.
9397 750 09384
Product data
Rev. 02 — 06 June 2002
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
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