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XR-2200 Datasheet Preview

XR-2200 Datasheet

Hammer Driver

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XR-2200
Hammer Driver
GENERAL DESCRIPTION
The XR-2200 is an array of five Darlington transistor
pairs which are capable of driving high-current loads
such as solenoids, relays, and LED's. Each of the five
circuits contained on the XR-2200 is capable of sinking
up to 400 mA. The XR-2200 was specifically designed
for use with 14 V to 25 V PMOS devices.
FUNCTIONAL BLOCK DIAGRAM
FEATURES
Output Capability of 400 mA for Each Driver
Drivers may be used in parallel for increased output
drive capability.
Input is directly compatible with PMOS outputs
APPLICATIONS
Printing Calculator Hammer Driver
High Current LED Driver
Solenoid and Relay Driver
Tungsten Lamp Driver
High Current Switch
ORDERING INFORMATION
Part Number Package Type
XR-2200 CP Plastic
Operating Temperature
- 25°C to + 70°C
ABSOLUTE MAXIMUM RATINGS
Collector to Base Voltage
Collector to Emitter Voltage
Emitter to Base Voltage
Collector Current
Input Terminal Breakdown
Voltage (plus)
Input Terminal Breakdown
Voltage (minus)
Power Dissipation
30V
30V
5.5V
450 mA
30V
-0.5V
550mW
SYSTEM DESCRIPTION
The XR-2200 hammer driver contains five Darlington
connected transistor pairs, each capable of switching
30V. All five emitters are connected to a common
ground (Pin 7). With a guaranteed current gain of 2000,
each section of the XR-2200 can sink 400 mA.
7-24




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XR-2200 Datasheet Preview

XR-2200 Datasheet

Hammer Driver

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ELECTRICAL CHARACTERISTICS (TA = 25°C)
LIMITS
PARAMETERS
MIN TYP
Power Supply Voltage
Output Leakage Current
Output Current
One Driver
Output Current
5 Drivers
Output Saturation Voltage
Current Gain
Input Current
2000
0.7
OUTPUT
INPUT 0----""""-.--£
25 K
25 K
2K
Figure 1. Schematic Diagram (1 of 5 Circuits Shown)
XR·2200
MAX
26
100
400
UNITS
Vdc
p.A
mA
CONDITIONS
VCE = 26 V, VIN = 0 V
See Figure 2
2.2 Vdc lOUT = 400 mA
VIN = 17 V
lOUT = 200 mA
VIN=17V
VCE = 3 V
lOUT = 200 mA
mA VIN = 17 V
lOUT = 0 mA
,500
400
1\
300
\ PULSE FREOUENCY '" 10 Hz
~200
...............r - -
100
20 40 60 80 100
% DUTY CYCLE
Figure 2. Maximum Permissible Output Current per Driver vs
Duty Cycle with 5 Drivers Pulsed Simultaneously.
V+
LOAD
PMOS
GATE
115 XR·2200
Figure 3. Circuit Connection for Driving Non-Inductive Loads
PMOS
GATE
115 XR·2200
DIODES ARE 1N4002
OR EOUIVALENT
Figure 4. Circuit Connection for Driving Inductive Loads.
NOTE: The XR-2200 may be damaged if the di-
odes are omitted when driving an inductive
load.
7-25


Part Number XR-2200
Description Hammer Driver
Maker Exar
Total Page 2 Pages
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