參數(shù)資料
型號: TPS40211QDGQRQ1
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO10
封裝: GREEN, PLATSIC, MSOP-10
文件頁數(shù): 19/41頁
文件大?。?/td> 999K
代理商: TPS40211QDGQRQ1
+
+
SLVS861D – AUGUST 2008 – REVISED APRIL 2010
www.ti.com
DESIGN EXAMPLE 1
12-V to 24-V Non-Synchronous Boost Regulator
The following example illustrates the design process and component selection for a 12-V to 24-V
non-synchronous boost regulator using the TPS40210 controller.
Figure 30. TPS40210 Design Example – 8-V to 24-V at 2-A
Table 1. TPS40210 Design Example Specifications
PARAMETER
CONDITIONS
MIN NOM
MAX
UNIT
INPUT CHARACTERISTICS
VIN
Input voltage
8
12
14
V
IIN
Input current
4.4
A
No load input current
0.05
VIN(UVLO)
Input undervoltage lockout
4.5
V
OUTPUT CHARACTERISTICS
VOUT
Output voltage
23.5
24.0
24.5
V
Line regulation
1%
Load regulation
1%
VOUT(ripple)
Output voltage ripple
500
mVPP
IOUT
Output current
8 V
≤ VIN ≤ 14 V
0.2
1
2
A
IOCP
Output overcurrent inception point
3.5
Transient response
ΔI
Load step
1
A
Load slew rate
1
A/ms
Overshoot threshold voltage
500
mV
Settling time
5
ms
26
Copyright 2008–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS40210-Q1 TPS40211-Q1
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