參數(shù)資料
型號(hào)： L5995
廠商： 意法半導(dǎo)體
英文描述： Accurate 4 Bit Programmable Power Supply Controller for Mobile CPU(用于移動(dòng)CPU的精確4位可編程電源控制器)
中文描述： 精確的4位可編程電源控制器，用于移動(dòng)CPU（用于移動(dòng)處理器的精確4位可編程電源控制器）
文件頁數(shù)： 3/10頁
文件大?。?/td> 78K
代理商： L5995
ELECTRICALCHARACTERISTICS
( V
IN
= 12V; T
i
= 25
°
C, OSC= GND, unless otherwise specified)
= specificationsreferred to T
J
from 0 to 70
°
C.
Symbol
DC CHARACTERISTICS
V
IN
Input Supply Voltage
I
OP
Operating Quiescent Current
Parameter
TestConditions
Min.
Typ.
Max.
Unit
4.75
25
800
V
μ
A
RGATE = HGATE = OPEN
ENABLE = REG5
ENABLE = GND
VIN = 12V
V
IN
= 25V
650
I
SB
Stand-By Current
80
100
150
180
μ
A
μ
A
INTERNAL REGULATOR (VREG5)
V
REG5
Output Voltage
V
IN
= 6V to 25V
I
LOAD
= 0 to5mA,
C
REG5
= 4.7
μ
F
CREG5 = 4.7
μ
F
V
IN
= 5.5V
V
IN
≥
6V
4.9
5.0
5.1
V
I
REG5
Total Current Capability
25
60
4.7
mA
mA
V
mA
Switch-Over Threshold Voltage
Current Capability
(internal switch on)
2.5V REFERENCE VOLTAGE
V
O 2.5
Regulated Voltage
4.3
25
4.5
V
5SW
= 4.5 to 5.5V
V
REG5
≥
4.4V
V
IN 2.5
= 3.3V
C
VO 2.5
= 47
μ
F
I
O 2.5
= 10mA
2.45
2.5
2.55
V
Regulation over Line and Load 6V < V
IN
< 25V
V
IN 2.5
= 3.3V
I
O 2.5
= 0-150mA
V
IN 2.5
= 3.3V
2.425
2.5
2.575
V
I
VO 2.5 MAX
Current Limit
PROGRAMMABLE REFERENCE VOLTAGE AND VBG
V
PROG
Accuracy
500
mA
V
ID0
, V
ID1
, V
ID2
, V
ID3
, V
ID4
see Table 1.
Line andLoad Regulation
included, V
ID0
, V
ID1
, V
ID2
, V
ID3
,
see Table 1.
C
VBG
= 220nF
-0.5%
V
PROG
+0.5%
V
V
FB
Ouput Voltage Accuracy
-1%
V
PROG
+1%
V
V
BG
Band Gap reference
1.240
1.246
1.252
V
POWER MANAGEMENT
Enable Voltage
Disable Voltage
Power Good Delay
Shutdown Delay Time before
Low side activation
(Except Over-Voltage Fault)
CRST Timing Rate
Power Good Saturation
Voltage
NOSKIP Mode (Active high)
HIGH LEVEL
LOW LEVEL
C
RST
= 10nF 16cycles
C
RST
= 10nF 16cycles
2.4
V
V
0.8
200
200
120
120
160
160
ms
ms
16
ms/nF
V
I
sink
= 400
μ
A
0.4
High Level
Low Level
2.4
0.8
V
V
THERMAL DATA
Symbol
R
Th j-amb
Parameter
Value
60
Unit
°
C/W
Thermal Resistance Junction to Ambient
L5995
3/10
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