鈻?/div>
DESCRIPTIO
7.5A Switch Capability
Low Series Drop (< 1.5V at 7.5A)
Logic Input (Positive or Negative Logic)
Current Limited
Thermal Overload
5mA Quiescent Current
10碌s Risetime
The LT
廬
1089 is a logic driven, high current, high side
switch utilizing bipolar technology. The device is capable
of driving loads up to 7.5A with a low series drop of only
1.5V, and the series drop is specified over the full range of
switch currents. The device has internal current limiting
and thermal overload protection. The input logic is
designed so that the output can drive loads referenced
either above or below the device ground pin. Either
positive or negative logic can be used to drive the input.
The device is available in both TO-3 metal can and TO-220
plastic packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
BLOCK DIAGRA
V
CC
2
LT1089 Switch Voltage
vs Output Current
INDICATES GUARANTEED TEST POINT
SWITCH FORWARD DROP (V)
BIAS,
THERMAL LIMIT,
CURRENT LIMIT,
OUTPUT DRIVE
LOGIC IN
I
Q
鈮?/div>
5mA
V
OUT
0擄C
鈮?/div>
T
J
鈮?/div>
125擄C
1
T
J
= 150擄C
T
J
= 25擄C
T
J
= 鈥?55擄C
0
0
1
2
LOGIC GND
LT1089 鈥?BD01
U
鈥?55擄C
鈮?/div>
T
J
鈮?/div>
150擄C
3 4 5 6 7 8
SWITCH CURRENT (A)
9
10
LT1089 鈥?BD02
W
1089fa
1
LT1089CT相關(guān)型號(hào)PDF文件下載
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