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ACT337 数据表(PDF) 4 Page - Active-Semi, Inc

部件名 ACT337
功能描述  High Performance ActivePSR Primary Switching Regulator
PDF  11 Pages
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制造商  ACTIVE-SEMI [Active-Semi, Inc]
网页  http://www.active-semi.com
标志 ACTIVE-SEMI - Active-Semi, Inc

ACT337 数据表(HTML) 4 Page - Active-Semi, Inc

  ACT337 Datasheet HTML 1Page - Active-Semi, Inc ACT337 Datasheet HTML 2Page - Active-Semi, Inc ACT337 Datasheet HTML 3Page - Active-Semi, Inc ACT337 Datasheet HTML 4Page - Active-Semi, Inc ACT337 Datasheet HTML 5Page - Active-Semi, Inc ACT337 Datasheet HTML 6Page - Active-Semi, Inc ACT337 Datasheet HTML 7Page - Active-Semi, Inc ACT337 Datasheet HTML 8Page - Active-Semi, Inc ACT337 Datasheet HTML 9Page - Active-Semi, Inc Next Button
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ACT337
Rev 2, 14-Nov-12
Innovative Power
TM
- 4 -
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Current Limit
SW Current Limit Range
ILIM
100
600
mA
CS Current Limit Threshold
VCSLIM
tOFF_DELAY = 0
380
396
412
mV
Leading Edge Blanking Time
200
300
ns
Driver Outputs
Switch ON-Resistance
RON
ISW = 50mA
1.6
3
Ω
SW Off Leakage Current
VSW = VDD = 22V
1
µA
Protection
VDD Latch-Off Voltage
VDDOVP
VDDON
+2
VDDON
+3
VDDON
+4
V
Thermal Shutdown Temperature
135
˚C
Thermal Hysteresis
20
˚C
Line UVLO
IFBUVLO
134
µA
ELECTRICAL CHARACTERISTICS CONT’D
(VDD = 12V, VOUT = 5V, LP = 1.25mH, NP = 110, NS = 8, NA = 18, TA = 25°C, unless otherwise specified.)
FUNCTIONAL BLOCK DIAGRAM
CS
BASE
DRIVER
SIGNAL
FILTER
2.20V
CURRENT
SHAPING
CABLE
COMPENSATION
LOGIC
OSCILLATOR
ON
0.4V
G
FB
VDD
BD
SW
REFERENCE
REGULATOR
&
UVLO
OTP
OVP



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