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L5994 Arkusz danych(PDF) 5 Page - STMicroelectronics

Numer części L5994
Szczegółowy opis  ADJUSTABLE TRIPLE OUTPUT POWER SUPPLY CONTROLLER
PDF  8 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5994 Arkusz danych(HTML) 5 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (Continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
HIGH AND LOW SIDE GATE DRIVER (BOTH SECTIONS)
I25,I27,
I32,I30
Source Output Peak Current
CLOAD = 1nF
0.2
0.5
A
Sink Output Peak Current
CLOAD = 1nF
0.2
0.5
A
RH
RDSON Resistance (or Impedance)
Driver OUT HIGH
7
Ω
RL
RDSON resistance (or Impedance)
Driver OUT LOW
5
Ω
VOH
Output High Voltage
HSTRAP = PREG5
ISOURCE = 10mA; HSRC = GND
4.40
5.3
5.61
V
VOL
Output Low Voltage
HSTRAP = PREG5
ISINK = 10mA HSRC = GND
0.5
V
TCC
Cross-Conduction Delay
30
75
130
ns
12V LINEAR REGULATOR SECTION
V21
Input Voltage Range
13
20
V
V22
Output Voltage
I22 = 0 to 120mA
11.54
12.0
12.48
V
I22
Current Limiting
VREG12 = 12V
120
mA
Short Circuit Current
VREG12 = 0V
150
mA
VCP
Input Voltage Clamp
ICLAMP = 100
µA16
V
”One Shot” Activation Threshold
V13IN Falling
12.88
13.7
14.52
V
”One Shot” Pulse
1.5
µs
INTERNAL REGULATOR (VPREG5) AND REFERENCE VOLTAGE
V29
VREG5 Output Voltage
VIN = 5.0 to 20V
ILOAD = 0 to 5mA
5.0
5.3
5.61
V
I29
Total Current Capability
VPREG5 = 5.3V
VREG5 =6V
25
70
mA
Switch-Over Threshold Voltage
4.3
4.53
4.7
V
V12
Reference Voltage
2.5
V
VIN = 5.0 to 20V
ILOAD = 1 to 5mA
2.5
V
I12
Source Current at Reference
Voltage
5mA
POWER GOOD AND ENABLE FUNCTION
V16,V11
RUN2, RUN1, Enable Voltage
HIGH LEVEL
2.4
V
V16,V11
RUN2, RUN1, Disable Voltage
LOW LEVEL
0.8
V
T10
Power Good Delay
CCRST = 100nF
160
200
240
ms
T27,T30
Shutdown Delay Time before
Low Side Activation
(Except Over-Voltage Fault)
CCRST = 100nF,
160
200
240
ms
CRST Timing Rate
2
ms/nF
Power Good High Level
IPWROK =40
µA
4.1
V
Power Good LowLevel
IPWROK = 320
µA
0.4
V
SYNCHRONIZATION
Synchronisation Pulse Width
400
ns
Synchronisation Input Voltage
(Falling Edge Transition)
5V
L5994
5/8



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