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參數資料
| 型號： | TPS62113RSAT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 2.4 A SWITCHING REGULATOR, 1100 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | GREEN, PLASTIC, QFN-16 |
| 文件頁數： | 24/28頁 |
| 文件大小： | 842K |
| 代理商： | TPS62113RSAT |
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DEVICE INFORMATION
PIN ASSIGNMENT TOP VIEW
16 15 14 13
5
6
7
8
1
2
3
4
9
GND
FB
AGND
PGND
Exposed
Thermal
Pad
VIN
EN
PGND
SW
LBI
VINA
SW
PG
SYNC
LBO
12
11
10
www.ti.com .................................................................................................................................................... SLVS585A – JULY 2005 – REVISED FEBRUARY 2009
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
AGND
9
I
Analog ground, connect to GND and PGND
Enable. A logic high enables the converter; logic low forces the device into shutdown mode reducing the
EN
4
I
supply current to less than 2 A.
Feedback pin for the fixed output voltage option. For the adjustable version, an external resistive divider
FB
10
I
is connected to this pin. The internal voltage divider is disabled for the adjustable version.
GND
11, 12
I
Ground
LBI
7
I
Low-battery input
LBO
6
O
Open-drain, low-battery output. This pin is pulled low if LBI is below its threshold.
Power good comparator output. This is an open-drain output. A pullup resistor should be connected
PG
13
O
between PG and VOUT. The output goes active high when the output voltage is greater than 98.4% of
the nominal value.
PGND
1, 16
I
Power ground. Connect all power grounds to this pin.
Connect the inductor to this pin. This pin is the switch pin and connected to the drain of the internal
SW
14, 15
O
power MOSFETS.
Input for synchronization to external clock signal. Synchronizes the converter switching frequency to an
external clock signal with CMOS level:
SYNC
5
I
SYNC = HIGH: Low-noise mode enabled, fixed frequency PWM operation is forced
SYNC = LOW (GND): Power save mode enabled, PFM/PWM Mode enabled
VIN
2, 3
I
Supply voltage input (power stage)
VINA
8
I
Supply voltage input (support circuits)
Thermal pad
Connect to AGND
Copyright 2005–2009, Texas Instruments Incorporated
5
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