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L5991 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - PRIMARY CONTROLLER WITH STANDBY - STMicroelectronics

भाग संख्या L5991
समारोह PRIMARY CONTROLLER WITH STANDBY
मैन्युफैक्चरर्स STMicroelectronics 
लोगो STMicroelectronics लोगो 
पूर्व दर्शन
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<?=L5991?> डेटा पत्रक पीडीएफ

L5991 pdf
L5991 - L5991A
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
IOUT
Ptot
Tj
Tstg
Parameter
Supply Voltage (ICC < 50mA) (*)
Output Peak Pulse Current
Analog Inputs & Outputs (6,7)
Analog Inputs & Outputs (1,2,3,4,5,15,14, 13, 16)
Power Dissipation @ Tamb = 70°C (DIP16)
@ Tamb = 50°C (SO16)
Junction Temperature, Operating Range
Storage Temperature, Operating Range
(*) maximum package power dissipation limits must be observed
PIN CONNECTION
Value
selflimit
1.5
-0.3 to 8
-0.3 to 6
1
0.83
-40 to 150
-55 to 150
Unit
V
A
V
V
W
W
°C
°C
SYNC
RCT
DC
VREF
VFB
COMP
SS
VCC
1
2
3
4
5
6
7
8
16 ST-BY
15 DC-LIM
14 DIS
13 ISEN
12 SGND
11 PGND
10 OUT
9 VC
THERMAL DATA
Symbol
Rth j-amb
Parameter
Thermal Resistance Junction -Ambient (DIP16)
Thermal Resistance Junction -Ambient (SO16)
PIN FUNCTIONS
Value
80
120
Unit
°C/W
°C/W
N. Name
Fun ction
1 SYNC Synchronization. A synchronization pulse terminates the PWM cycle and discharges Ct
2
RCT
Oscillator pin for external CT, RA, RB components
3 DC Duty Cycle control
4 VREF 5.0V +/-1.5% reference voltage @ 25°C
5
VFB
Error Amplifier Inverting input
6 COMP Error Amplifier Output
7 SS Soft start pin for external capacitor Css
8 VCC Supply for internal ”Signal” circuitry
9 VC Supply for Power section
10
OUT
High current totem pole output
11 PGND Power ground
12 SGND Signal ground
13
ISEN
Current sense
14 DIS Disable. It must never be left floating. TIE to SGND if not used.
15 DC-LIM Connecting this pin to Vref, DC is limited to 50%. If it is left floating or grounded no limitation is
imposed
16 ST-BY Standby. Connect a resistor to RCT. Connect to VREF or floating if not used.
2/23

विन्यास 19 पेज
डाउनलोड[ L5991 Datasheet.PDF ]


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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
L5991PRIMARY CONTROLLER WITH STANDBYSTMicroelectronics
STMicroelectronics
L5991APRIMARY CONTROLLER WITH STANDBYSTMicroelectronics
STMicroelectronics


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