CS52843 Просмотр технического описания (PDF) - ON Semiconductor
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CS52843 Datasheet PDF : 9 Pages
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CS52843
ELECTRICAL CHARACTERISTICS (continued) (−40°C ≤ TA ≤ 85°C; VCC = 15 V (Note 2.); RT = 680 Ω; CT = 0.022 μF for triangle
mode, RT = 10 kΩ; CT = 3.3 nF sawtooth mode; unless otherwise specified.)
Parameter
Test Conditions
Min
Typ
Max
Unit
Output Section
Output Low Level
ISINK = 20 mA
ISINK = 200 mA
−
0.1
0.4
V
−
1.5
2.2
V
Output High Level
Rise Time
Fall Time
Output Leakage
Total Standby Current
Start−Up Current
ISOURCE = 20 mA
ISOURCE = 200 mA
TJ = 25°C, CL = 1.0 nF, Note 5.
TJ = 25°C, CL = 1.0 nF, Note 5.
UVLO Active VOUT = 0
−
13
13.5
−
V
12
13.5
−
V
−
50
150
ns
−
50
150
ns
−
−0.01
−10
μA
−
300
500
μA
Operating Supply Current
VCC Zener Voltage
Undervoltage Lockout Section
VFB = VSENSE = 0 V, RT = 10 kΩ; CT = 3.3 nF
ICC = 25 mA
−
11
17
mA
−
34
−
V
Start Threshold
−
7.8
8.4
9.0
V
Min. Operating Voltage
After Turn On
5. These parameters, although guaranteed, are not 100% tested in production.
7.0
7.6
8.2
V
PACKAGE PIN DESCRIPTION
Package Lead Number
SO−8
SO−14
1
1
2
3
3
5
4
7
5
8
−
9
6
10
−
11
7
12
8
14
−
2, 4, 6, 13
Lead Symbol
COMP
VFB
SENSE
OSC
GND
Pwr GND
VOUT
VCCPwr
VCC
VREF
NC
Function
Error amp output, used to compensate error amplifier.
Error amp inverting input.
Noninverting input to Current Sense Comparator.
Oscillator timing network with capacitor to ground, resistor to
VREF.
Ground.
Output driver ground.
Output drive pin.
Output driver positive supply.
Positive power suppy.
Output of 5.0 V internal reference.
No Connection.
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