XC6403/6404 Series
■PIN CONFIGURATION
1 EN/CE
VDOUT 6
VSS 5
*The dissipation pad for the
USP-6B package should be
solder-plated in recommended
mount pattern and metal masking
so as to enhance mounting
strength and heat release. If the
pad needs to be connected to other
pins, it should be connected to the
VSS pin.
VSEN/Cd
2 NC
3 VIN
VROUT 4
USP-6B (BOTTOM VIEW)
SOT-89-5 (TOP VIEW)
■PIN ASSIGNMENT
PIN NUMBER
SOT-25 SOT-89-5 USP-6B
PIN NAME
FUNCTION
1
2
3
3
3
3
4
5
-
1
2
5
5
5
5
4
3
-
3
5
1
1
1
1
6
4
2
VIN
VSS
Power Input
Ground
VR ON / OFF Control
ON / OFF Control
VD Monitoring
EN
CE
VSEN
Cd
VDOUT
VROUT
NC
Delay Capacitor Connection
VD Output
VR Output
No connection
■PRODUCT CLASSIFICATION
●Selection Guide
1. TOGGLE FUNCTION, VD SELF-SATURATION AS OPTION
SERIES
TOGGLE FUNCTION (BUILT-IN)
XC6403/04A
VD with Toggle Function
VD with Toggle Function and Self-Saturation
VD with No Toggle Function
XC6403/04B
XC6403/04C ~ F
2. STAND-BY MODE FUNCTION AS OPTION
SERIES
STAND-BY MODE FUNCTION
XC6403/04A ~ C
VR with Stand-By Mode Function
Chip Stand-By Mode Function
No Stand-By Mode Function
XC6403/04D
XC6403/04E, F
3. CE / EN INPUT LOGIC, INTERNAL PULL-UP/DOWN AS OPTION (*A ~ D Series)
SERIES
CE INPUT LOGIC
XC6403/04 * A ~ D
XC6403/04 * E ~ K
XC6403/04 * L ~ P
XC6403/04 * R ~ U
High Active with Pull Down
High Active with No Pull Down
Low Active with Pull Up
Low Active with No Pull Up
4. VD SENSE AS OPTION (*A ~ D and F Series)
SERIES
VD SENSE PIN
XC6403/04 * A, B, E, F, L, M, R, S, V, X
XC6403/04 * C, D, H, K, N, P, T, U, Y, Z
XC6403/04 E V ~ Z
VIN
VOUT
VSEN
5. VD OUTPUT LOGIC AS OPTION
SERIES
XC6403/04A ~ F
VD OUTPUT LOGIC FUNCTION
Detect L or Detect H
6. VD DELAY FUNCTION AS OPTION
SERIES
DELAY FUNCTION
XC6403/04A ~ E
XC6403/04F
No Delay
Delay Time Adjustable by Connecting Cd
1148