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| 型号： | TPS51116RGER |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 6 A SWITCHING CONTROLLER, PQCC24 |
| 封装： | 4 X 4 MM, GREEN, PLASTIC, QFN-24 |
| 文件页数： | 37/40页 |
| 文件大小： | 931K |
| 代理商： | TPS51116RGER |
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SLUS609H – MAY 2004 – REVISED JULY 2009................................................................................................................................................................ www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
over operating free-air temperature range, VV5IN = 5 V, VLDOIN is connected to VDDQ output (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DUTY CONTROL
TON
Operating on-time
VIN = 12 V, VVDDQSET = 0 V
520
TON0
Startup on-time
VIN = 12 V, VVDDQSNS = 0 V
125
ns
TON(min)
Minimum on-time
TA = 25°C
(3)
100
TOFF(min)
Minimum off-time
TA = 25°C
(3)
350
ZERO CURRENT COMPARATOR
Zero current comparator
VZC
-6
0
6
mV
offset
OUTPUT DRIVERS
Source, IDRVH = -100 mA
3
6
RDRVH
DRVH resistance
Sink, IDRVH = 100 mA
0.9
3
Source, IDRVL = -100 mA
3
6
RDRVL
DRVL resistance
Sink, IDRVL = 100 mA
0.9
3
LL-low to DRVL-on(3)
10
TD
Dead time
ns
DRVL-off to DRVH-on(3)
20
INTERNAL BST DIODE
VFBST
Forward voltage
VV5IN-VBST , IF = 10 mA, TA = 25°C
0.7
0.8
0.9
V
VVBST = 34 V, VLL = 28 V, VVDDQ = 2.6 V,
IVBSTLK
VBST leakage current
0.1
1.0
A
TA = 25°C
PROTECTIONS
VPGND-CS , PGOOD = HI, VCS < 0.5 V
50
60
70
VOCL
Current limit threshold
mV
VPGND-CS , PGOOD = LO, VCS < 0.5 V
20
30
40
TA = 25°C, VCS > 4.5 V, PGOOD = HI
9
10
11
ITRIP
Current sense sink current
A
TA = 25°C, VCS > 4.5 V, PGOOD = LO
4
5
6
TRIP current temperature
RDS(on) sense scheme, On the basis
TCITRIP
4500
ppm/°C
coefficient
of TA = 25°C
(3)
Overcurrent protection
(VV5IN-CS - VPGND-LL), VV5IN-CS = 60 mV,
VOCL(off)
-5
0
5
COMP offset
VCS > 4.5 V
(3)
mV
Current limit threshold setting
VR(trip)
VV5IN-CS
(3) (4)
30
150
range
POWERGOOD COMPARATOR
PG in from lower
92.5%
95.0%
97.5%
VTVDDQPG
VDDQ powergood threshold
PG in from higher
102.5%
105.0%
107.5%
PG hysteresis
5%
IPG(max)
PGOOD sink current
VVTT = 0 V, VPGOOD = 0.5 V
2.5
7.5
mA
TPG(del)
PGOOD delay time
Delay for PG in
80
130
200
s
(3)
Specified by design.
(4)
V5IN references to PWP packaged devices should be interpreted as V5FILT references to RGE packaged devices.
6
Copyright 2004–2009, Texas Instruments Incorporated
Product Folder Link(s): TPS51116
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