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| 型号： | TPS62510DRCRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.5 A SWITCHING REGULATOR, 1700 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3 X 3 MM, GREEN, PLASTIC, SON-10 |
| 文件页数： | 19/24页 |
| 文件大小： | 1063K |
| 代理商： | TPS62510DRCRG4 |
PIN ASSIGNMENT
SW
PGND
AGND
FB
OVT
PVIN
AVIN
PG
MODE
EN
Exposed
ThermalDie
(Note
A)
8
10
9
6
7
3
1
2
5
4
SLVS651A – MAY 2006 – REVISED JULY 2009 ................................................................................................................................................................ www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
VIN = 3.3 V, OVT = EN = VIN, MODE = GND, TA = –40°C to 85°C, typical values are at TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
tSS
Soft start time
VO ramping from 5% to 95% of nominal value
750
s
Leakage resistance from SW pin to GND
VI > VO, 0 V ≤ V(SW) ≤ VI
700
1000
k
Leakage resistance from FB pin to GND
EN = low
17
23
DRC Package
(Top View)
A.
The exposed Thermal Die is connected to AGND.
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
SW
1
Switch pin of the converter. The inductor is connected here.
PGND
2
Power ground for the converter
AGND
3
Analog ground connection
Feedback voltage sense input. Connect directly to VO or to the midpoint of an external voltage divider for
FB
4
I
the adjustable version.
Output Voltage Tracking input. The signal applied to this pin is used as reference voltage overiding the
OVT
5
I
internal reference voltage when it is below the internal 0.6-V reference. If this feature is not used, the
OVT pin is connected to VI.
Enable pin. A logic high enables the regulator, a logic low disables the regulator. This pin needs to be
EN
6
I
terminated and not left floating.
This pin is used to force fixed frequency PWM operation or to synchronize the device to an external clock
MODE
7
I
signal. With MODE = high, the device is forced into 1.5-MHz fixed frequency PWM operation. With MODE
= low, the device automatically enters the Power Save Mode at light load currents.
Power Good indication. This is a open drain output that is low when the device is disabled or the output
PG
8
O
voltage drops 10% below target.
Power supply for control circuitry. Must be connected to the same voltage supply as PVIN through RC
AVIN
9
filter.
PVIN
10
Input voltage for the power stage. VIN must be connected to the same voltage supply as AVIN.
PowerPAD
C2
Connect the PowerPAD to analog ground AGND.
4
Copyright 2006–2009, Texas Instruments Incorporated
Product Folder Link(s): TPS62510
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