CS51221 Ver la hoja de datos (PDF) - Cherry semiconductor
Número de pieza
componentes Descripción
Fabricante
CS51221 Datasheet PDF : 12 Pages
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Electrical Characteristics: -40˚C < TA < 85˚C; -40˚C < TJ < 125˚C; 3V < VC < 15V; 4.7V < VCC < 15V; Rt=12K, Ct=390pF
Unless otherwise stated.
PARAMETER
s Oscillator
Frequency Accuracy
Voltage Stability
Temperature Stability
Max Frequency
Duty Cycle
Peak Voltage
Valley Clamp Voltage
Valley Voltage
Discharge Current
TEST CONDITIONS
(Note 1) -40˚C < TJ < 125˚C
(Note 1)
(Note 1)
(Note 1)
MIN
TYP
260
273
1
8
1
80
85
1.94
2.00
0.90
0.95
0.85
1.00
0.85
1.00
MAX
320
2
90
2.06
1.00
1.15
1.15
UNIT
kHz
%
%
MHz
%
V
V
V
mA
s Synchronization
Input Threshold
Output Pulse Width
Output High Voltage
Input Resistance
SYNC to Drive Delay
Output Drive Current
100µA Load
Time from SYNC to
GATE Shutdown
RSYNC = 1Ω
0.9
1.4
200
320
2.1
2.5
35
70
100
140
1.00
1.50
1.8
V
450
ns
2.8
V
140
kΩ
180
ns
2.25
mA
s GATE Driver
High Saturation Voltage
Low Saturation Voltage
High Voltage Clamp
Output Current
VC-GATE, VC = 10V,
ISOURCE = 200mA
GATE-PGnd, ISINK = 200mA
1 nF load (Note 1)
1.5
1.2
11.0
13.5
1
Output UVL Leakage
GATE = 0V
1
Rise Time
1nF load, VC = 20V, 1V < GATE < 9V
60
Fall Time
1nF load, VC = 20V, 9V < GATE < 1V
25
Max Gate Voltage
during UVL/Sleep
IGATE = 500µA
.4
.7
2.0
V
1.5
V
16.0
V
1.25
A
50
µA
100
ns
50
ns
1.0
V
s FeedForward (FF)
Discharge Voltage
Discharge Current
FF to GATE Delay
IFF = 2mA
FF = 1V
0.3
2
16
50
75
0.7
V
30
mA
125
ns
4
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