参数资料
型号: TPS40195PWG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 580 kHz SWITCHING FREQ-MAX, PDSO16
封装: GREEN, PLASTIC, TSSOP-16
文件页数: 14/43页
文件大小: 1086K
代理商: TPS40195PWG4
DESIGN EXAMPLES
Design Example 1
www.ti.com ........................................................................................................................................ SLUS720D – FEBRUARY 2007 – REVISED NOVEMBER 2008
Table 3. Design Example Electrical Specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT
VIN
Input voltage
10.8
12.0
13.2
V
VIN = 12 V, IOUT= 10 A
1.7
1.8
A
IIN
Input current
No load, VIN = 12 V, IOUT= 0 A
5
mA
VIN_
Undervoltage lockout turn off threshold
0 A
≤ IOUT ≤ 10 A
5.4
6.0
6.6
UVLO_OFF
V
VIN_UVLO
Undervoltage lockout turn on threshold
0 A
≤ IOUT ≤ 10 A
6.6
7.0
7.6
_ON
OUTPUT
VOUT
Input voltage range
VIN = 12 V, IOUT= 5
1.75
1.80
1.85
V
Line regulation
10.8
≤ VIN ≤ 13.2 V
0.5%
Load regulation
0 A
≤ IOUT ≤ 10 A
0.5%
VOUT(ripple)
Output voltage ripple
VIN = 12 V, IOUT= 10 A
100
mVP-P
IOUT
Output current
10.8
≤ VIN ≤ 13.2 V
0
5
10
A
IOCP
Output overcurrent inception point
VIN = 12 V, VOUT= (VOUT- 5)
14
20
43
ΔI
Transient response load step
10 A
≤ IOUT(max) ≤ 0.2 × ( IOUT(max) )
8
A
Transient response load slew rate
5
A/
s
Transient response overshoot
200
mV
Transient response settling time
1
ms
SYSTEM
fSW
Switching frequency
240
300
360
kHz
η
PK
Peak efficiency
VIN = 12 V, 0 A ≤ IOUT ≤ 10 A
90%
η
Efficiency at full load
VIN = 12 V, IOUT = 10 A
87%
TOP
Operating temperature range
10.8
≤ VIN ≤ 13.2 V, 0 A ≤ IOUT ≤ 10 A
-40
25
85
°C
MECHANICAL
W
Width
1.6
L
Length
3.5
in
h
Height
0.26
Copyright 2007–2008, Texas Instruments Incorporated
21
Product Folder Link(s): TPS40195
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