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參數(shù)資料
| 型號： | TPS60230RGTTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.2 A SWITCHED CAPACITOR REGULATOR, 1250 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, QFN-16 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 640K |
| 代理商： | TPS60230RGTTG4 |
www.ti.com
PIN ASSIGNMENT
C2
C1
C1+
C2+
PGND
VIN
EN1
D2
D1
VOUT
ISET
GND
D5
D4
D3
3
1
2
7
5
6
8
12
11
10
9
15
13
14
16
EN2
4
QFN PACKAGE
(TOP VIEW)
TPS60230
SLVS516A – MAY 2004 – REVISED JUNE 2004
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
C1+
10
–
Connect to the flying capacitor C1
C1–
11
–
Connect to the flying capacitor C1
C2+
9
–
Connect to the flying capacitor C2
C2–
12
–
Connect to the flying capacitor C2
D1-D5
6-2
I
Current sink input. Connect the cathode of the white LEDs to these inputs.
Enable input. A logic high enables the converter, logic low forces the device into shutdown mode reducing the
EN1
15
I
supply current to less than 1 A if EN2 is tied to GND.
An applied PWM signal reduces the LED current as a function of the duty cycle of the PWM signal. EN1 and EN2
can be tied together for PWM dimming between 0 mA and the maximum set with ISET. EN1 and EN2 can also be
EN2
16
I
used for digital dimming with 4 steps from 0 mA to the maximum current set with ISET. See the application section
for more details.
GND
14
–
Analog ground
ISET
1
I
Connect a resistor between this pin and GND to set the maximum current through the LEDs.
PGND
7
–
Power ground, connect with analog ground (GND)
VIN
13
I
Supply voltage input
VOUT
8
0
Connect the output capacitor and the anode of the LEDs to this pin.
Power
–
Connect with PGND and GND
PAD
4
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| TPS60230RGTT | 0.2 A SWITCHED CAPACITOR REGULATOR, 1250 kHz SWITCHING FREQ-MAX, PQCC16 |
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