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參數(shù)資料
| 型號(hào)： | TK61220AQ4 |
| 廠商： | TOKO INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING REGULATOR, QCC24 |
| 封裝： | 4 X 4 MM, HQFN-24 |
| 文件頁(yè)數(shù)： | 19/23頁(yè) |
| 文件大?。?/td> | 342K |
| 代理商： | TK61220AQ4 |
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TK61220AQ4
GC3-N008B
Page 5
8. TEST CIRCUIT
Test Circuit
PGND
IS2
FB2
OVP2
EAOUT2
DIM
CT
SW1
VDD
IS1
FB1
OVP1
EAOUT1
EN1
EN2
RT
DTC
REF
PGOOD1
PGOOD2
PVIN2
SW2
PVIN1
24
23
22
21
20
19
7
8
9
10
11
12
1
2
3
4
5
6
18
17
16
15
14
13
0.1uF
10uF
1uF
V
DD
V
EN1
V
EN2
V
DIM
V
RT
V
DTC
A
V
0.1uF
V
SW7
SW8
SW9
C
L
V
SW10
SW11
I
L
SW5
SW4
V
0.1uF
V
OVP1
0.1uF
V
LED1
0.1uF
SW3
SW2
SW1
C
L
f
osc1
V
AGND
R
T
C
T
I
Q, ISTB
V
REF
V
OL2
I
PGOOD
I
PGOOD
V
OL1
V
OVP2
V
IS2
V
IS1
f
osc2
V
LED2
V
FB1
V
FB2
SW6
RT=16k, CT=22pF, CL=1000pF
Measurement Conditions
Parameter
0V Setting
Connects to REF
Pin
Measurement
Pin
Conditions
Quiescent Supply Current
VIS, VOVP
FB, DTC
Standby Supply Current
VIS, VOVP
FB, DTC
VEN1=VEN2=0.3V
Overvoltage Protection Threshold Voltage
VIS, VFB
DTC
SW
VOVP input
LED Overcurrent Protection Threshold Voltage
VIS, VOVP
DTC, EAOUT
SW
VFB input
FET Overcurrent Protection Threshold Voltage
VOVP, VFB
DTC
SW
VIS input
PGOOD Output Low Voltage *1
VIS, VOVP
DTC, EAOUT
PGOOD
IPGOOD=1mA
*1 After the LED overcurrent protection turns on, it inputs 1mA into the PGOOD pin and measures the PGOOD pin
voltage.
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