CS5132
Electrical Characteristics: 0ûC < T
A
< 70ûC; 0ûC < T
J
< 125ûC; V
OUT2
² 3.5V, 9V ² V
CC1
² 14V, 9V ² V
CC2
² 14V; 2.0V DAC Code
(V
ID4
= V
ID3
= V
ID2
= V
ID1
= 0, V
ID0
= 1), C
GATE(H)
= C
GATE(L)
= C
GATE
= 3.3nF, C
OFF
= 390pF; Unless otherwise stated.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input Pull-up Resistance
Pull-up Voltage
s
GATE(H) and GATE(L)
High Voltage at 100mA
Low Voltage at 100mA
Rise Time
Fall Time
GATE(H) to GATE(L) Delay
GATE(L) to GATE(H) Delay
GATE pull-down
V
ID4
, V
ID3
, V
ID2
, V
ID1
, V
ID0
25
5.48
50
5.65
100
5.82
k�½
V
Measure V
CC1/2
ÐGATE(L)/(H)
Measure GATE(L)/(H)
1.6V < GATE(H)/(L) < (V
CC1/2
Ð 2.5V)
(V
CC1/2
Ð 2.5V) > GATE(L)/(H) > 1.6V
GATE(H)<2V, GATE(L)>2V
30
GATE(L)<2V, GATE(H)>2V
30
Resistance to PGnd (Note 1)
20
1.2
1.0
40
40
65
65
50
2.1
1.5
80
80
100
100
115
V
V
ns
ns
ns
ns
k�½
s
V
CORE
Overcurrent Protection
OVC Comparator Offset Voltage 0V < V
OUT1
² 3.5V
Discharge Threshold Voltage
V
OUT1
Bias Current
0.2V ² V
OUT1
² 3.5V
OVC Latch Discharge Current
V
COMP
= 1V
s
PWM Comparator 1
PWM Comparator Offset Voltage 0V ² V
FFB1
² 3.5V
Transient Response
V
FFB1
= 0 to 3.5V
0.2V ² V
FFB1
² 3.5V
V
FFB1
Bias Current
s
C
OFF1
Off-Time
Charge Current
Discharge Current
s
Power-Good Output
PWRGD Sink Current
PWRGD Upper Threshold
PWRGD Lower Threshold
PWRGD Output Low Voltage
77
0.2
-7.0
100
86
0.25
0.1
800
101
0.3
7.0
2500
mV
V
µA
µA
0.95
-7.0
1.06
200
0.1
1.18
300
7.0
V
ns
µA
1.0
V
COFF1
= 1.5V
V
COFF1
= 1.5V
1.6
550
25
2.3
µs
µA
mA
V
FB1
= 1.7V, V
PWRGD
= 5V
% of nominal DAC code
% of nominal DAC code
V
FB1
= 1.7V, I
PWRGD
= 500µA
0.5
5
-12
4
8.5
-8.5
0.2
15
12
-5
0.3
mA
%
%
V
s
Overvoltage Protection (OVP) Output
OVP Source Current
OVP = 1V
OVP Threshold
% of nominal DAC code
OVP Pull-up Voltage
I
OVP
= 1mA, V
CC1
- V
OVP
s
V
I/O
Switching Regulator Error Amplifier
V
FB2
= 0V
V
FB2
Bias Current
COMP2 Source Current
COMP2 = 1.2V to 3.6V; V
FB2
= 1V
COMP2 Sink Current
COMP2=1.2V; V
FB2
=1.4V;
Open Loop Gain
C
COMP2
= 0.1µF
1
5
10
8.5
1.1
25
12
1.5
mA
%
V
-1.0
15
30
0.1
30
60
80
1.0
60
120
µA
µA
µA
dB
5
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
