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参数资料
| 型号： | TK61220AQ4 |
| 厂商： | TOKO INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, QCC24 |
| 封装： | 4 X 4 MM, HQFN-24 |
| 文件页数： | 6/23页 |
| 文件大小： | 342K |
| 代理商： | TK61220AQ4 |
TK61220AQ4
GC3-N008B
Page 14
Pin
No
Pin
Description
Internal Equivalent Circuit
Description
15
FB 2
15
VREF
This pin is the ch2 error amplifier inverting input pin.
16
OVP 2
16
VREF
1.5V
This pin is the ch2 resistor connection pin for over-
voltage detection.
17
IS 2
17
VREF
0.1V
This pin is the ch2 resistor connection pin for over-current
detection.
18
SW 2
PVIN2
18
This pin is the ch2 driver output pin for the external
MOSFET gate drive. Pull-down resistor (about 20k
) is
built in.
19
PVIN 2
-
This pin is the power supply pin for the ch2 driver.
PVIN2 is not connected with PVIN1 and VDD inside the
IC.
20
EN 2
20
VDD
This pin is the ch2 voltage control pin. Independent
operation is possible with this pin. Pull-down resistor
(about 1M
) is built in. If either EN1, EN2 pin is "H", the
REF voltage turns On.
21
PGND
-
Power Ground. PGND is not connected with AGND
inside the IC.
22
AGND
-
Analog Ground
23
EN 1
23
VDD
This pin is the ch1 voltage control pin. Independent
operation is possible with this pin. Pull-down resistor
(about 1M
) is built in. If either EN1, EN2 pin is "H", the
REF voltage turns On.
24
VDD
-
Supply Voltage Input. VDD is not connected with PVIN1
and PVIN2 inside the IC.
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