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参数资料
| 型号： | TPS51513RHB |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, PQCC32 |
| 封装： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件页数： | 36/38页 |
| 文件大小： | 1159K |
| 代理商： | TPS51513RHB |
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24
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32
31
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29
28
27
26
25
T
R
IP
S
E
L
GND
CSP
CSN
GSNS
VSNS
REF
IMON2
IMON
PGOOD
PGND
V5IN
DRVL
LL
VBST
DRVH
PG
V
ID
0
V
ID
1
V
ID
2
N
C
IM
O
N
C
N
C
N
C
S
L
P
E
N
T
O
N
S
E
L
O
S
R
S
E
L
IS
L
E
W
V
5
F
IL
T
D
R
O
P
V
R
E
F
PowerPAD
TM
www.ti.com
SLUS956A – JUNE 2009 – REVISED FEBRUARY 2010
TPS51513
(Top View)
Table 1. Pin Functions
PIN #
NAME
I/O
DESCRIPTION
Negative current sense input. Connect to the negative node of current sense resistor or inductor DCR sense
3
CSN
I
RC network.
Positive current sense input. Connect to the positive node of current sense resistor or inductor DCR sense
2
CSP
I
RC network.
Output of gM error amplifier. A resistor to VREF sets the droop gain. A capacitor to VREF helps shape the
31
DROOP
O
transient response. Please see Applications Information section for configurations with no droop.
17
DRVH
O
Top N-channel FET gate drive outputs.
20
DRVL
O
Synchronous N-channel FET gate drive outputs.
25
EN
I
Chip enable signal. 1-V I/O level; 100-ns de-bounce. Regulator enters controlled soft-stop when brought low.
1
GND
—
Analog / signal ground. Tie to quiet ground plane.
Voltage sense return tied directly to GND of the microprocessor. Tie to GND with a 10-
resistor for
4
GSNS
I
feedback when mP is not present.
Current monitor output. The current out of the IMON output is proportional to the voltage between the CS
8
IMON
O
inputs.
7
IMON2
O
Connection point for IMON mirror matching resistor.
Clamp reference input for the IMON signal; 3.6-V maximum. Bypass to GND with a ceramic capacitor of 0.1
12
IMONC
I
mF or greater.
Precision current set-point for slew rate control. Tie the ISLEW resistor to GND to select the low range of
29
ISLEW
I
OCP values; VREF for the higher range.
19
LL
I/O
Top N-channel FET gate drive return. Also, input for adaptive gate drive timing.
10
11
NC
—
No connection; leave floating.
13
Overshoot reduction (OSR) setting. One of three OSR settings is selected with OSRSEL = GND/VREF/3.3
28
OSRSEL
I
V. OSRSEL = 5 V disables OSR.
Negative active power good output. Transitions low of approximately 50 ms after VCORE reaches the
24
PG
O
VID-defined level. Open-drain. Leave open if unused.
22
PGND
—
Power return for the synchronous N-channel FET gate driver outputs.
23
PGOOD
O
Power Good output. 6-ms nominal delay from PG. Open-drain.
Copyright 2009–2010, Texas Instruments Incorporated
7
Product Folder Link(s) :TPS51513
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| TPS51513RHBR | 功能描述:DC/DC 开关控制器 3-28V Input Sync. Step Down Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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| TPS51518RUKR | 功能描述:DC/DC 开关控制器 Sgl Phase DCAP & D-CAP2 Cntrlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| TPS51518RUKT | 功能描述:DC/DC 开关控制器 Sgl Phase DCAP & D-CAP2 Cntrlr RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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