cs5157h ON Semiconductor, cs5157h Datasheet - Page 3

• Manufacturer Part Number: cs5157h
• Description: Cpu 5-bit Synchronous Buck Controller
• Manufacturer: ON Semiconductor

2. Guaranteed by design, not 100% tested in production.
ELECTRICAL CHARACTERISTICS
V
Error Amplifier
V
V
V
Open Loop Gain
Unity Gain Bandwidth
COMP SINK Current
COMP SOURCE Current
COMP CLAMP Current
COMP High Voltage
COMP Low Voltage
PSRR
Start Threshold
Stop Threshold
Hysteresis
Out SOURCE Sat at 100 mA
Out SINK Sat at 100 mA
Out Rise Time
Out Fall Time
Delay V
Delay V
V
V
Soft−Start (SS)
Charge Time
Pulse Period
Duty Cycle
COMP Clamp Voltage
V
High Threshold
PWM Comparator
Transient Response
V
ID4
CC1
GATE(H)
FB
GATE(H)
GATE(H)
FFB
FFB
= V
Bias Current
Monitor
SS Fault Disable
Bias Current
ID2
GATE(H)
GATE(L)
, V
, V
and V
= V
Characteristic
GATE(L)
GATE(L)
ID1
GATE(L)
to V
to V
= V
Resistance
Schottky
ID0
GATE(H)
GATE(L)
= 1; V
ID3
= 0
;
CV
(0°C < T
GATE(L)
V
1.25 V < V
(Note 2)
V
V
V
V
V
8.0 V < V
Output switching
Output not switching
Start−Stop
Measure V
Measure V
1.0 V < V
V
9.0 V > V
V
V
V
V
V
Resistor to LGND (Note 2)
LGND to V
LGND to V
(Charge Time /Pulse Period) × 100
V
V
V
V
V
FB
COMP
COMP
COMP
FB
FB
CC1
CC1
GATE(H)
GATE(L)
GATE(L)
GATE(H)
FB
GATE(H)
FFB
CC1
FFB
= 0 V
= 2.7 V; V
= 3.0 V
= 0 V; V
= V
= V
= 0 to 5.0 V to V
= 0 V
= V
A
and CV
= 1.5 V; V
= 1.2 V; V
= 0 V; V
< +70°C; 0°C < T
CC2
CC2
GATE(H)
GATE(H)
rising to 2.0 V
falling to 2.0 V; V
CC2
CC1
falling to 2.0 V; V
rising to 2.0 V
= Low; V
COMP
CC1
GATE(H)
GATE(H)
GATE(L)
SS
= 12 V
= 12 V
= 12 V
< 14 V @ 1.0 kHz; (Note 2)
GATE(H)
SS
− V
= 0
FB
< 4.0 V; (Note 2)
< 9.0 V; 1.0 V < V
> 1.0 V; 9.0 V > V
Test Conditions
= 5.0 V
http://onsemi.com
FB
FB
GATE(L)
= 2.7 V
GATE(L)
@ 10 mA
− V
@ 10 mA
= 3.0 V; V
= 2.7 V; V
= 1.0 nF; C
GATE(H)
PGND
CS5157H
−
−
−
J
; V
= Low
CC1
CC1
< +125°C; 8.0 V < V
; V
3
CC2
= 9.0 V to 1.0 V;
GATE(L)
SS
SS
= V
= V
OFF
− V
> 2.0 V
= 5.0 V
GATE(L)
GATE(L)
CC2
CC2
GATE(H)
= 330 pF; C
− V
= 8.0 V;
= 8.0 V;
PGND
< 9.0 V;
> 1.0 V;
CC1
SS
< 14 V; 5.0 V < V
= 0.1 mF, unless otherwise specified.)
3.75
3.70
0.50
Min
500
0.4
0.4
4.0
1.6
1.0
0.9
50
30
60
20
25
−
−
−
−
−
−
−
−
−
−
−
−
−
3000
CC2
3.90
3.85
0.95
Typ
160
600
100
100
0.3
2.5
1.0
4.3
1.2
1.0
3.3
3.3
1.0
2.5
0.3
60
50
85
50
30
30
25
25
50
< 20 V;DAC Code:
Max
4.05
4.00
1.10
600
100
800
200
125
1.0
8.0
1.6
5.0
2.0
1.5
5.0
6.0
1.1
3.0
80
50
50
50
50
−
−
−
−
−
Unit
kHz
mA
mA
mV
mV
mV
dB
dB
kW
ms
ms
mA
mA
mA
ns
ns
ns
ns
ns
%
V
V
V
V
V
V
V
V