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UC27136NP 데이터시트(PDF) 1 Page - Texas Instruments

부품명 UC27136NP
상세설명  DUAL OUTPUT SWITCH
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

UC27136NP 데이터시트(HTML) 1 Page - Texas Instruments

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UC27136, UC37136
DUAL OUTPUT SWITCH
SLUS447 - FEBRUARY 2000 - REVISED JULY 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 250-mA Continuous Total Output Drive
D Two Output Power Switches, 35-V
Maximum Operation
D Low-Side or High-Side Switch
Configuration
D User Programmable Phasing of Output
Switch LS2/HS2
D Internal Output Voltage Clamp for Driving
Inductive Loads
D 9 V to 35 V Supply Voltage Range
D Current Limit Protection
D Thermal Shutdown Protection
D UVLO With User Programmable Time Delay
description
The UCx7136 bipolar dual switch contains all the control and drive circuitry required to drive resistive,
capacitive, and inductive loads as in industrial sensor applications. The output drivers are 250-mA NPN power
switches that can switch a load between a voltage supply up to 35 V and GND with a continuous output current
rating of 250 mA, combined or individually. Internal 46-V Zener clamps are provided to clamp collector-to-emitter
NPN power switch voltages to safe levels when driving inductive loads. The two outputs can be configured in
any combination of high side (load to GND) or low side (load to VCC). The output of switch 1 is fixed in phase
with the CMOS compatible IN1 pin. The CMOS compatible exclusive OR gate inputs, IN2 and INV2, determine
the output phase of switch 2. An under voltage lockout (UVLO) function is provided to disable both output NPN
power switches until VCC is greater than 8 V. Both output NPN power switches can also be disabled past the
UVLO enable trip point by an external user programmable time delay capacitor. An internal current limit function
enables a low on/off duty cycle of the NPN power switches should the dc current go beyond 1 A. An internal
thermal shutdown function disables the switches if the IC temperature reaches 155
°C such as in an overcurrent
condition.
schematic
UDG-99016
REFERENCE
1
3
6
7
8
4
5
12
13
15
11
HS1
9
LS1
14
HS2
16
LS2
2.5
µA
4 V
REF
8 V
UVLO
10
N/C
N/C
SWITCH 2
SWITCH 1
REF
SQ
R
2
VCC
CDEL
SD
INV2
IN2
IN1
GND
5 k
0.7
0.7
CURRENT LIMIT
155
°C/135°C
Copyright
© 2000, Texas Instruments Incorporated
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
DP, M, OR NP
PACKAGES
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VCC
SD
CDEL
GND
GND
INV2
IN2
IN1
LS2
N/C
HS2
GND
GND
HS1
N/C
LS1


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