ELECTRICAL CHARACTERISTICS
Unless otherwise specified: 3.0V < V CC <5.5V, 3.0V < BST < 13.2, R OSC = 18.7k ? , C COMP = 0.1 μ F, C SS = 0.1 μ F, ENABLE = 3V,
CGH = CGL = 3.3nF, V FB = 1.25V, ISP = ISN = 1.25V, SWN = GND = PGND = 0V, -40 ° C < T AMB <85 ° C (Note 1)
P A R A M E T E R
C O N D I T I O N S
M I N
T Y P
M A X
U N I T S
S O F T S T A R T
S S C h a r g e C u r r e n t
S S D i s c h a r g e C u r r e n t
C O M P D i s c h a r g e C u r r e n t
C O M P C l a m p V o l t a g e
S S O k T h r e s h o l d
S S F a u l t R e s e t
S S C l a m p V o l t a g e
V S S = 1 . 5 V
V S S = 1 . 5 V
V C O M P = 0 . 5 V , F a u l t I n i t i a t e d
V F B < 1 . 0 V , V S S = 2 . 5 V
2 5
2
2 0 0
2 . 1
1 . 8
0 . 2
2 . 1
5 0
5
5 0 0
2 . 4
2 . 0
0 . 2 5
2 . 4
7 0
7
-
2 . 8
2 . 2
0 . 3
2 . 8
μ A
μ A
μ A
V
V
V
V
O V E R C U R R E N T & Z E R O C U R R E N T C O M P A R A T O R S
O v e r C u r r e n t C o m p a r a t o r T h r e s h o l d
V o l t a g e
I S N , I S P I n p u t B i a s C u r r e n t
Z e r o C u r r e n t C o m p a r a t o r T h r e s h o l d
R a i l t o R a i l C o m m o n M o d e I n p u t
V I S P - V I S N
3 2
-
4 3
6 0
2
5 4
2 5 0
m V
n A
m V
E N A B L E / U V L O
V C C S t a r t T h r e s h o l d
V C C S t o p T h r e s h o l d
V C C H y s t e r e s i s
E n a b l e T h r e s h o l d
E n a b l e P i n S o u r c e C u r r e n t
2 . 7 5
2 . 6 5
0 . 6 5
0 . 6
2 . 8 5
2 . 7 5
1 0 0
1 . 1
4
2 . 9 5
2 . 9
1 . 4 5
9
V
V
m V
V
μ A
G A T E D R I V E R
G H R i s e T i m e
G H F a l l T i m e
G L R i s e T i m e
G L F a l l T i m e
G H t o G L N o n - O v e r l a p T i m e
G L t o G H N o n - O v e r l a p T i m e
V C C > 4 . 5 V
V C C > 4 . 5 V
V C C > 4 . 5 V
V C C > 4 . 5 V
V C C > 4 . 5 V
V C C > 4 . 5 V
-
-
-
-
4 0
4 0
4 0
4 0
6 0
6 0
1 1 0
1 1 0
1 1 0
1 1 0
n s
n s
n s
n s
n s
n s
Note 1: Specifications to -40 ° C are guaranteed by design, characterization and correlation with statistical process control.
Date: 1/21/05
SP6120 Low Voltage, AnyFET TM , Synchronous, Buck Controller
3
? Copyright 2005 Sipex Corporation
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