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TPS51220RHBTG4 Fiches technique(PDF) 2 Page - Texas Instruments

No de pièce TPS51220RHBTG4
Description  Fixed Frequency, 99% Duty Cycle Peak Current Mode Notebook System Power Controller
Download  43 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS51220RHBTG4 Fiches technique(HTML) 2 Page - Texas Instruments

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background image
XCON
VBST1
DRVH1
SW1
DRVL1
GND
VREG5
VREG5
GND
Control
Logic
PGOOD1
GND
Delay
+
+
+
+
1V+5%/10%
1V-5%/10%
1V-30%
1V+15%
+
PWM
Skip
Ramp
Comp
+
+
VFB1
COMP1
EN1
Enable/
Soft-start
1V
+
CSN1
CSP1
TRIP
Discharge
Control
GND
100mV
+
V5SW
4.7V/4.5V
GND
VREG5
+
VREF2
GND
GND
1.25V
GND
1.25V
GND
+
VREG3
+
4.7V/4.5V
VIN
EN
+
4.2V/3.8V
150/140
Deg-C
V5OK
THOK
Ready
+
SKIPSEL1
FUNC
OSC
RF
CLK1
CLK2
Fault1
SDN1
UVP
OVP
Fault2
SDN2
Ready
GND
Channel-1Switchershown
+
VREF2
D-CAP
CUR
CLK1
VREF2
+
OCP
Ramp
Comp
+
N-OCP
100mV
OOA
Ctrl
+
VFB-AMP
CS-AMP
TPS51220
SLVS785C – OCTOBER 2007 – REVISED JULY 2009
www.ti.com
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
FUNCTIONAL BLOCK DIAGRAM
2
Submit Documentation Feedback
Copyright © 2007–2009, Texas Instruments Incorporated
Product Folder Links :TPS51220


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