参数资料
型号: TPS5103IDBG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 3 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO20
封装: GREEN, PLASTIC, SSOP-20
文件页数: 39/40页
文件大小: 1225K
代理商: TPS5103IDBG4
TPS5103
MULTIPLE MODE SYNCHRONOUS DC/DC CONTROLLER
SLVS240A – SEPTEMBER 1999 – REVISED MAY 2001
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = 7 V
(unless otherwise noted) (continued)
5-V 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 to 25 V,
I = 10 mA
20
mV
Regl
Load regulation
I = 1 mA to 10 mA,
VCC = 5.5 V
40
mV
IOS
Short-circuit output current
Vref = 0 V
70
mA
Not a JEDEC symbol.
5-V switch
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIT(high)
Threshold voltage
4.2
4.9
V
VIT(low)
Threshold voltage
4.1
4.8
V
Vhys
Hysteresis
50
150
250
mV
UVLO
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIT(high)
Threshold voltage
3.6
4.2
V
VIT(low)
Threshold voltage
3.5
4.1
V
Vhys
Hysteresis
10
150
mV
output
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
IO
OUT_u sink current
VO = 3 V
0.5
1.2
A
IS
OUT_u source current
VO = 2 V
–1
–1.7
A
IO
OUT_d sink current
VO = 3 V
0.5
1.2
A
IS
OUT_d source current
VO = 2 V
–1
–1.5
A
I
TRIP terminal current
PWM mode,
V(TRIP) = 7 V
10
15
20
A
I
TRIP terminal current
SKIP mode,
V(TRIP) = 7 V
3
5
7
A
High-side driver is GND referenced.
Input: INV = 0 – 3V
tr
Rise time
tr/tf = 10 ns,
Frequency = 200 kHz
ns
CL = 2200 pF
28
CL = 3300 pF
39
High-side driver is GND referenced.
Input: INV = 0 – 3 V
tf
Fall time
tr/tf = 10 ns,
Frequency = 200 kHz
ns
CL = 2200 pF
30
CL = 3300 pF
38
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