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L5996 数据表(PDF) 3 Page - STMicroelectronics

部件名 L5996
功能描述  5 BIT DYNAMIC DAC CONTROLLER FOR MOBILE CPU
PDF  9 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5996 数据表(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (VIN = 12V; Ti =25
°C, OSC = GND, unless otherwise specified)
• = specifications referred to T
J from 0 to 70
°C.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
DC CHARACTERISTICS
VIN
Input Supply Voltage
•
4.75
25
V
IOP
Operating Quiescent Current
RGATE = HGATE = OPEN
ENABLE = REG5
•
0.9
1.1
mA
ISB
Stand-By Current
ENABLE = GND
VIN = 12V
VIN = 25V
•
80
100
150
180
µA
µA
INTERNAL REGULATOR (VREG5)
VREG5
Output Voltage
VIN = 7.5V to 25V
ILOAD = 0 to 5mA,
CREG5 = 4.7
µF
4.9
5.0
5.1
V
IREG5
Total Current Capability
CREG5 = 4.7
µF
VIN = 5.5V
VIN
≥ 6V
25
60
mA
mA
Switch-Over Threshold Voltage
4.3
4.5
4.7
V
Current Capability
(internal switch on)
V5SW = 4.5 to 5.5V
VREG5
≥ 4.4V
25
mA
2.5V REFERENCE VOLTAGE
VO 2.5
Regulated Voltage
VIN 2.5 = 3.3V
CVO 2.5 =47
µF
IO2.5 = 10mA
•
2.45
2.5
2.55
V
Regulation over Line and Load 6V < VIN < 25V
VIN 2.5 = 3.3V
IO2.5 = 0-150mA
• 2.425
2.5
2.575
V
IVO 2.5 MAX Current Limit
VIN 2.5 = 3.3V
500
mA
PROGRAMMABLE REFERENCE VOLTAGE AND VBG
VPROG
Accuracy
VID0,VID1,VID2,VID3,VID4
see Table 1.
• -0.5% V
PROG
+0.5%
V
VFB
Ouput Voltage Accuracy
Line and Load Regulation
included, VID0,VID1,VID2,VID3,
VID4, see Table 1.
•
-1%
VPROG
+1%
V
VBG
Band Gap reference
CVBG = 220nF
• 1.240 1.246
1.252
V
POWER MANAGEMENT
Enable Voltage
HIGH LEVEL
2.4
V
Disable Voltage
LOW LEVEL
0.8
V
Power Good Saturation
Voltage
Isink = 400
µA
0.4
V
NOSKIP Mode (Active high)
High Level
Low Level
2.4
0.8
V
V
Output UVLO Threshold
OVP = GND
60
70
80
%
Output UVLO Lockout Time
Depending on CSS value
775
ms/
µF
THERMAL DATA
Symbol
Parameter
Value
Unit
RTh j-amb
Thermal Resistance Junction to Ambient
60
°C/W
L5996
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