L5996 Просмотр технического описания (PDF) - STMicroelectronics
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L5996 Datasheet PDF : 9 Pages
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L5996
THERMAL DATA
Symbol
RTh j-amb
Parameter
Thermal Resistance Junction to Ambient
Value
60
Unit
°C/W
E•L=ECspTeRcIiCficAaLtioCnHsAreRfeArCreTdEtRoITSJTfIrCoSm(0VtIoN
= 12V;
70°C.
Ti
=
25°C,
OSC
=
GND,
unless
otherwise
specified)
Symbol
Parameter
Test Conditions
DC CHARACTERISTICS
VIN Input Supply Voltage
•
IOP Operating Quiescent Current RGATE = HGATE = OPEN
•
ENABLE = REG5
ISB Stand-By Current
ENABLE = GND
•
VIN = 12V
VIN = 25V
INTERNAL REGULATOR (VREG5)
VREG5 Output Voltage
IREG5 Total Current Capability
VIN = 7.5V to 25V
ILOAD = 0 to 5mA,
CREG5 = 4.7µF
CREG5 = 4.7µF
VIN = 5.5V
VIN ≥ 6V
Switch-Over Threshold Voltage
Current Capability
(internal switch on)
V5SW = 4.5 to 5.5V
VREG5 ≥ 4.4V
2.5V REFERENCE VOLTAGE
VO 2.5
Regulated Voltage
VIN 2.5 = 3.3V
•
CVO 2.5 = 47µF
IO 2.5 = 10mA
Regulation over Line and Load 6V < VIN < 25V
•
VIN 2.5 = 3.3V
IO 2.5 = 0-150mA
IVO 2.5 MAX Current Limit
VIN 2.5 = 3.3V
PROGRAMMABLE REFERENCE VOLTAGE AND VBG
VPROG Accuracy
VID0, VID1, VID2, VID3, VID4
•
see Table 1.
VFB Ouput Voltage Accuracy
VBG Band Gap reference
Line and Load Regulation
•
included, VID0, VID1, VID2, VID3,
VID4, see Table 1.
CVBG = 220nF
•
POWER MANAGEMENT
Enable Voltage
HIGH LEVEL
Disable Voltage
LOW LEVEL
Power Good Saturation
Voltage
Isink = 400µA
NOSKIP Mode (Active high) High Level
Low Level
Output UVLO Threshold
OVP = GND
Output UVLO Lockout Time Depending on CSS value
Min.
4.75
4.9
25
4.3
25
2.45
2.425
-0.5%
-1%
1.240
2.4
2.4
60
Typ.
0.9
80
100
5.0
4.5
2.5
2.5
VPROG
VPROG
1.246
70
775
Max.
25
1.1
150
180
5.1
60
4.7
2.55
2.575
500
+0.5%
+1%
1.252
0.8
0.4
0.8
80
Unit
V
mA
µA
µA
V
mA
mA
V
mA
V
V
mA
V
V
V
V
V
V
V
V
%
ms/µF
3/9
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