CS5132
Electrical Characteristics: 0ûC < T
A
< 70ûC; 0ûC < T
J
< 125ûC; V
OUT2
3.5V, 9V V
CC1
14V, 9V V
CC2
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
s
V
I/O
Switching Regulator Error Amplifier continued
Unity Gain Bandwidth
C
COMP2
= 0.1µF
PSRR @ 1kHZ
C
COMP2
= 0.1µF
Reference Voltage
V
FB2
=COMP2
s
GATE
High Voltage at 100mA
Low Voltage at 100mA
Rise Time
Fall Time
GATE pull-down
1.205
20
70
1.230
1.255
KHz
dB
V
Measure V
CC2
ÐGATE
Measure GATE
1.6V < GATE < (V
CC2
Ð 2.5V)
(V
CC2
Ð 2.5V) > GATE > 1.6V
Resistance to PGnd
20
1.2
1.0
40
40
50
2.1
1.5
80
80
115
V
V
ns
ns
k�½
s
V
I/O
Overcurrent Protection
OVC2 Comparator Offset Voltage 0V < V
OUT2
² 3.5V
Discharge Threshold Voltage
V
OUT2
Bias Current
0.2V ² V
OUT2
² 3.5V
OVC2 Latch Discharge Current
s
PWM Comparator 2
PWM Comparator Offset Voltage 0V ² V
FFB2
² 3.5V
Transient Response
V
FFB2
= 0 to 3.5V
0.2V ² V
FFB2
² 3.5V
V
FFB2
Bias Current
s
C
OFF2
Off-Time
Charge Current
Discharge Current
77
0.2
-7.0
100
86
0.25
0.1
800
101
0.3
7.0
2500
mV
V
µA
µA
0.99
-7.0
1.10
200
0.1
1.22
300
7.0
V
ns
µA
1.0
V
COFF2
= 1.5V
V
COFF2
= 1.5V
1.6
550
25
2.3
µs
µA
mA
s
General Electrical Specifications
All Outputs On
V
CC
Monitor Start Threshold
V
CC
Monitor Stop Threshold
All Outputs Off
Hysteresis
Start - Stop
V
CC1
Supply Current
No Load on GATE(L)
No Loads on GATE(H) and GATE
V
CC2
Supply Current
Note 1: Guaranteed by design, not 100% tested in production.
7.9
7.6
0.15
8.4
8.1
0.30
13
6
8.9
8.6
0.60
20
9
V
V
V
mA
mA
6
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
