参数资料
型号: TPS5102IDBT
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 3 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO30
封装: GREEN, PLASTIC, TSSOP-30
文件页数: 33/34页
文件大小: 1182K
代理商: TPS5102IDBT
TPS5102
DUAL, HIGH-EFFICIENCY CONTROLLER FOR NOTEBOOK PC POWER
SLVS239 - SEPTEMBER 1999
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = 7 V
(unless otherwise noted) (continued)
driver deadtime
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TDRVLH
Low side to high side
70
nS
TDRVHL
High side to low side
85
nS
standby
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIH
H-level input voltage
STBY1 STBY2
2.5
V
VIL
L-level input voltage
STBY1, STBY2
0.5
V
Tturnon
Propagation delay
STBY to driver output
1.5
s
Tturnoff
Propagation delay
STBY to driver output
1.8
s
5V regulator
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VO
Output voltage
I = 10 mA
4.7
5.3
V
Regin
Line regulation
Vcc = 5.5 V, 25 V,
I = 10 mA
20
mV
Regl
Load regulation
I = 1 V, 10 mA,
Vcc = 5.5 V
40
mV
Ios
Short-circuit output current
Vref = 0 V
80
mA
5-V internal switch
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VTLH
Threshold voltage
4.2
4.8
V
VTHL
Threshold voltage
4.1
4.7
V
Vhys
Hysteresis
30
150
mV
UVLO
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VTLH
Threshold voltage
3.7
4.2
V
VTHL
Threshold voltage
3.6
4.1
V
Vhys
Hysteresis
10
40
150
mV
current limit
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Internal current source
PWM mode
10
15
20
A
Internal current source
Skip mode
3
5
7
A
Input offset voltage
2.5
mV
driver output
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OUT_u sink current
Vo=3V
0.5
1.2
A
OUT_d sink current
Vo = 3 V
0.5
1.2
A
OUT_u source current
Vo=3V
–1
–1.7
A
OUT_d source current
Vo = 3 V
–1
–1.5
A
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