Cypress CY8CKIT-042-BLE User Manual page 119

V3.3
VBUS
VIN
EN_CTRL
EN_CTRL
TABLE: LDO PIN FUNCTIONS
Pin No Symbol .
1 CTL
2 VCC
3 N.C.
4 OUT
5 C
6 GND
CY8CKIT-042-BLE Bluetooth® Low Energy (BLE) Pioneer Kit Guide, Doc. # 001-93731 Rev. *C
R7 ZERO
NO LOAD
PMOS( NTR4171PT1G)
Q1
R8
15K
Q3
PMOS(PMV48XP,215)
D9
R59 ZERO
NO LOAD
VDD
Q4
R58
15K
Q5
PMOS( PMV48XP,215)
D11
D1
D2
U1
SOD123 EN_CTRL 1
CTL
VCC 2
D4
VCC
SOD123 3216
C1 3
+
NC
1 uFd
BA00BC0WFP-E2
VCC
R10
10K
Function
Output Voltage ON / OFF control
Power supply voltage input
Unconnected terminal
Voltage output
Output voltage regulation terminal
Ground
VDD
Q2
R9
10K
VFRAM
PMOS( NTR4171PT1G)
Q6
R20
10K
Protection Circuit
4
OUT
5 R1
C
11K
6
1%
GND
R3 R4
14.7K 1% 10K
TABLE: VOLTAGE SELECTION JUMPER SETTINGS
JUMPER SETTING
SHORT 2 & 3
SHORT 1 & 2
REMOVE JUMPER
TP4 TP5
BLACK BLACK
NO LOAD
D3
SOD123
VADJ VDD
3216 C2
+
4.7uF
R5
1% 4.3K 1%
J16
3 PIN HDR
O/P VOLTAGE
5V
3.3V
1.9V
TP6
BLACK
NO LOAD
GND Test Points
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