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SS6577CGSTR Fiches technique(PDF) 3 Page - Silicon Standard Corp.

No de pièce SS6577CGSTR
Description  External NMOS Step-Down PWM Controller
Download  14 Pages
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Fabricant  SSC [Silicon Standard Corp.]
Site Internet  http://www.siliconstandard.com
Logo SSC - Silicon Standard Corp.

SS6577CGSTR Fiches technique(HTML) 3 Page - Silicon Standard Corp.

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SS6577
Rev.1.02 3/26/2004
ABSOLUTE MAXIMUM RATINGS (Note 1)
Supply Voltage (VIN) …………......……………...............…………………….................25V
Drive Supply Voltage (BOOST) …………………………………………………..…………32V
Switch Voltage (SW)
………………………………………………………………… 25V
Differential Boost Voltage (BOOST to SW ) ………………………………………………..8V
ITH/RUN,VFB Voltages
………………………………………………………………….7V
Peak Drive Output Current < 10
µS (DRI ) ………………………………………………….2A
Operating Temperature Range
……...............…….………………….......-40
°C ~ 85°C
Thermal Resistance (
θJA) (Assuming no ambient airflow, no heatsink)
SOP8
……………………………………………………………………160
°C/W
MSOP8
……………………………………………………………………180
°C/W
Storage Temperature Range
…...................…………………. -65
°C ~ 150°C
Lead Temperature ( Soldering, 10sec )
…………………………………….300
°C
TEST CIRCUIT
Refer to Typical Application Circuit.
ELECTRICAL CHARACTERISTICS (TA=25°C, VIN=15V, unless otherwise noted.)
PARAMETER
TEST CONDITIONS
MIN.
TYP.
MAX.
UNIT
Input Voltage
4.5
24
V
Normal Mode (Note 2)
720
900
µA
Input Supply Current
Shutdown Mode, VITH/RUN=0V
16
20
µA
Feedback Voltage
0.788
0.8
0.812
V
∆Output Overvoltage Lockout
VFB connect to Vout, ∆VOVL=VOVL-VFB
20
55
90
mV
Reference Voltage Line
Regulation
VIN= 4.5V to 20 V
0.002
0.015
%/V
Output Voltage Load Regula-
tion
ITH Sinking 5µA
ITH Sourcing 5µA
0.7
-0.4
1.1
-0.8
%
Run Threshold
0.6
0.8
0.9
V
Maximum Current Sense
Threshold
VFB=0.72V
125
150
175
mV
Oscillator Frequency
450
500
550
kHz


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